G\u00fc\u00e7 Kayna\u011f\u0131 Deratingi A\u00e7\u0131klamas\u0131: Tip Plakas\u0131nda Yazmayanlar<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;600;700&family=Roboto:wght@600;700&display=swap');\n\n.bd-post {\n --prose-width: 720px;\n --gap-attach: 16px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-compact: 16px;\n --pad-standard: 24px;\n --body-bg: #FFFFFF;\n --text-primary: #333333;\n --text-secondary: #6E6E6E;\n --heading-ink: #000000;\n --accent: #479DE2;\n --accent-text: #2A76B4;\n --accent-hot: #FD9649;\n --navy: #0D3972;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --inverse-text-secondary: #B0B0B0;\n --card-fill: #F4F8FC;\n --card-border: #E0E0E0;\n --divider: #C0C0C0;\n --panel-fill: #FAFAFA;\n --btn-white: #FFFFFF;\n --btn-ink: #1E1E1E;\n font-family: \"Manrope\", sans-serif;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.6;\n color: var(--text-primary);\n background: var(--body-bg);\n padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n}\n.bd-post a { overflow-wrap: anywhere; word-break: break-word; }\n.bd-post p, .bd-post li { overflow-wrap: break-word; }\n.bd-post .bd-post-article { max-width: var(--prose-width); margin: 0 auto; }\n.bd-post [class*=\"bp-\"] { box-sizing: border-box; }\n.bd-post .bd-post-article > .bp-1-hook,\n.bd-post .bd-post-article > .bp-cta-end { margin: var(--gap-section) 0; }\n.bd-post .bd-post-article > .bp-2-read { margin: var(--gap-attach) 0 var(--gap-normal); }\n.bd-post .bd-post-article > .rich-card,\n.bd-post .bd-post-article > .rich-callout { margin: var(--gap-normal) 0; }\n\n.bd-post p { margin: 0 0 1em; }\n.bd-post h1 { font-family: \"Roboto\", sans-serif; font-weight: 600; line-height: 1.2; font-size: 36px; color: var(--heading-ink); margin: 0 0 16px; }\n.bd-post h2 { font-family: \"Roboto\", sans-serif; font-weight: 700; line-height: 1.2; font-size: 34px; color: var(--heading-ink); margin: 48px 0 16px; }\n.bd-post h3 { font-family: \"Roboto\", sans-serif; font-weight: 700; line-height: 1.25; font-size: 24px; color: var(--heading-ink); margin: 32px 0 12px; }\n.bd-post ul, .bd-post ol { margin: 0 0 1em; padding-left: 1.5em; }\n.bd-post li { margin-bottom: 0.5em; }\n.bd-post strong { font-weight: 700; }\n.bd-post em { font-style: italic; }\n.bd-post p a, .bd-post li a, .bd-post blockquote a, .bd-post td a {\n color: var(--accent-text);\n font-weight: 500;\n text-decoration: underline;\n text-decoration-color: var(--accent-text);\n}\n.bd-post p.bd-closer {\n border-left: 4px solid var(--accent);\n padding-left: 16px;\n margin: 24px 0;\n}\n\n\/* --- BP-1: memory hook (dark signature, solid #1) --- *\/\n.bd-post .bp-1-hook {\n background: var(--inverse-bg);\n border-radius: 10px;\n padding: var(--pad-standard);\n display: flex;\n flex-direction: column;\n gap: 4px;\n}\n.bd-post .bp-1-stat {\n font-family: \"Roboto\", sans-serif;\n font-weight: 700;\n font-size: 36px;\n line-height: 1.1;\n color: var(--accent-hot);\n}\n.bd-post .bp-1-ttl {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 20px;\n line-height: 1.25;\n color: var(--inverse-text);\n}\n.bd-post .bp-1-sub {\n font-size: 15px;\n line-height: 1.5;\n color: var(--inverse-text-secondary);\n}\n\n\/* --- BP-2: reading kit (low callout) --- *\/\n.bd-post .bp-2-read {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-left: 4px solid var(--accent);\n border-radius: 8px;\n padding: var(--pad-compact);\n display: flex;\n flex-direction: column;\n gap: 8px;\n}\n.bd-post .bp-2-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 16px;\n line-height: 1.4;\n color: var(--heading-ink);\n margin: 0;\n}\n.bd-post .bp-2-ic { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; }\n.bd-post .bp-2-row { display: flex; align-items: flex-start; gap: 10px; }\n.bd-post .bp-2-ic-row { flex: 0 0 auto; display: inline-flex; margin-top: 1px; }\n.bd-post .bp-2-ic-row svg { width: 20px; height: 20px; stroke: var(--accent-text); }\n.bd-post .bp-2-txt { font-size: 15px; line-height: 1.5; color: var(--text-primary); }\n\n\/* --- End CTA (colors: cta-states) --- *\/\n.bd-post .bp-cta-end {\n background: var(--navy);\n border-radius: 10px;\n padding: var(--pad-standard);\n display: flex;\n flex-direction: column;\n align-items: flex-start;\n gap: 8px;\n}\n.bd-post .bp-cta-end-ttl {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 22px;\n line-height: 1.25;\n color: var(--inverse-text);\n margin: 0;\n display: flex;\n align-items: center;\n gap: 10px;\n}\n.bd-post .bd-cta-ic { display: inline-flex; vertical-align: -0.15em; }\n.bd-post .bd-cta-ic svg { width: 20px; height: 20px; stroke: var(--accent-hot); }\n.bd-post .bp-cta-end-sub { font-size: 15px; line-height: 1.5; color: var(--inverse-text-secondary); margin: 0 0 4px; }\n.bd-post .bp-cta-end-btn {\n display: inline-flex;\n align-items: center;\n gap: 8px;\n font-family: \"Manrope\", sans-serif;\n font-weight: 600;\n font-size: 16px;\n line-height: 1;\n text-decoration: none;\n border-radius: 6px;\n padding: 12px 20px;\n background: var(--accent-hot);\n color: var(--btn-ink);\n box-sizing: border-box;\n}\n.bd-post .bp-cta-end-btn:hover { background: var(--btn-white); color: var(--btn-ink); }\n.bd-post .bp-cta-end-btn svg { width: 18px; height: 18px; stroke: currentColor; }\n\n\/* --- Rich elements --- *\/\n.bd-post .rich-card {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-radius: 10px;\n padding: var(--pad-standard);\n}\n.bd-post .rich-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 15px;\n line-height: 1.4;\n color: var(--accent-text);\n margin: 0 0 8px;\n}\n.bd-post .rich-chart-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 15px;\n line-height: 1.4;\n color: var(--heading-ink);\n margin: 0 0 8px;\n}\n.bd-post .rich-chart-title .rich-title-ic { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; }\n.bd-post .rich-chart-title .rich-title-ic svg { width: 16px; height: 16px; stroke: var(--accent-text); }\n.bd-post .rich-callout {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-left: 4px solid var(--accent);\n border-radius: 8px;\n padding: var(--pad-compact);\n display: flex;\n align-items: flex-start;\n gap: 12px;\n}\n.bd-post .rich-callout-ic { flex: 0 0 auto; display: inline-flex; margin-top: 1px; }\n.bd-post .rich-callout-ic svg { width: 20px; height: 20px; stroke: var(--accent-text); }\n.bd-post .rich-callout-text { font-size: 15px; line-height: 1.6; color: var(--text-primary); }\n.bd-post .rich-checklist { display: flex; flex-direction: column; gap: 10px; }\n.bd-post .rich-checklist-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 18px;\n line-height: 1.4;\n color: var(--heading-ink);\n margin: 0;\n}\n.bd-post .rich-checklist-title .rich-title-ic { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; }\n.bd-post .rich-checklist-title .rich-title-ic svg { width: 20px; height: 20px; stroke: var(--accent-text); }\n.bd-post .rich-check-item { display: flex; align-items: flex-start; gap: 10px; }\n.bd-post .rich-check-ic { flex: 0 0 auto; display: inline-flex; margin-top: 2px; }\n.bd-post .rich-check-ic svg { width: 18px; height: 18px; stroke: var(--accent-text); }\n.bd-post .rich-check-txt { font-size: 15px; line-height: 1.6; color: var(--text-primary); }\n\n.bd-post .table-wrapper {\n border: 1px solid var(--card-border);\n border-radius: 8px;\n overflow-x: auto;\n margin: 0 0 1em;\n}\n.bd-post .table-wrapper table {\n width: 100%;\n border-collapse: collapse;\n font-size: 15px;\n margin: 0;\n}\n.bd-post .table-wrapper th {\n background: var(--panel-fill);\n color: var(--text-primary);\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 15px;\n text-align: left;\n padding: 12px 16px;\n border-bottom: 1px solid var(--divider);\n}\n.bd-post .table-wrapper td {\n color: var(--text-primary);\n padding: 12px 16px;\n border-bottom: 1px solid var(--divider);\n vertical-align: top;\n}\n.bd-post .table-wrapper tr:last-child td { border-bottom: none; }\n.bd-post .table-wrapper tr:hover td:first-child { color: var(--accent-text); }\n.bd-post .rich-card svg text { fill: var(--text-secondary); }\n.bd-post .rich-card svg text.tl-hi { fill: var(--accent-text); }\n.bd-post .rich-table-wrap { margin: var(--gap-normal) 0; }\n\n\/* --- Sanctioned motion --- *\/\n@media (prefers-reduced-motion: no-preference) {\n @supports (animation-timeline: view()) {\n .bd-post .bd-reveal { animation: bd-fade-in linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }\n @keyframes bd-fade-in { from { opacity: 0; } to { opacity: 1; } }\n }\n .bd-post h2 { transition: color .2s ease-out, transform .2s ease-out; }\n .bd-post h2:hover { color: var(--accent-text); transform: scale(1.02); }\n .bd-post .rich-card { transition: transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .rich-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }\n .bd-post .bp-cta-end-btn { transition: transform .2s ease-out, background-color .2s ease-out, color .2s ease-out; }\n .bd-post .bp-cta-end-btn:hover { transform: translateY(-2px); }\n .bd-post .bd-post-article p a, .bd-post .bd-post-article li a, .bd-post .bd-post-article td a { transition: color .2s ease-out, text-decoration-color .2s ease-out; }\n}\n\n@media (max-width: 768px) {\n .bd-post { padding: 16px; }\n .bd-post h1 { font-size: 24px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n .bd-post .bp-1-stat { font-size: 27px; }\n}\n<\/style>\n\n<article class=\"bd-post-article\">\n\n<p>Hemen hemen her anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n teknik \u00f6zellik belgesini a\u00e7t\u0131\u011f\u0131n\u0131zda, birbiriyle \u00e7eli\u015fiyor gibi g\u00f6r\u00fcnen iki rakamla kar\u015f\u0131la\u015f\u0131rs\u0131n\u0131z. \u0130lki, ilk sayfada yer al\u0131r ve 240 W\u2019t\u0131r. \u0130kincisi ise belgenin sonlar\u0131na do\u011fru gizlenmi\u015f bir tablodur ve bu tablo, 70 \u00b0C\u2019de ayn\u0131 \u00fcnitenin bu de\u011ferin sadece yakla\u015f\u0131k yar\u0131s\u0131 kadar g\u00fc\u00e7 verebilece\u011fini g\u00f6sterir. Her iki rakam da yanl\u0131\u015f de\u011fildir: tip plakas\u0131nda belirtilen de\u011fer sadece <em>ko\u015fullu<\/em>, ve g\u00fc\u00e7 kayna\u011f\u0131n\u0131n y\u00fck azalt\u0131m\u0131, ko\u015fullar zorla\u015ft\u0131\u011f\u0131nda izlenmesi gereken kurallard\u0131r.<\/p>\n\n<h2>G\u00fc\u00e7 Kayna\u011f\u0131 Derating Nedir? Tip Plakas\u0131 Sadece Bir Ba\u015flang\u0131\u00e7t\u0131r<\/h2>\n\n<p>Derating, s\u0131cakl\u0131klar\u0131 ve kullan\u0131m \u00f6m\u00fcrlerini g\u00fcvenli s\u0131n\u0131rlar i\u00e7inde tutmak amac\u0131yla bir bile\u015feni nominal de\u011ferinin alt\u0131nda kas\u0131tl\u0131 olarak \u00e7al\u0131\u015ft\u0131rmak anlam\u0131na gelir. G\u00fc\u00e7 kaynaklar\u0131 i\u00e7in \u00f6nemli olan teknik \u00f6zellik genellikle \u015fu \u015fekilde ifade edilir: <strong>g\u00fc\u00e7 d\u00fc\u015f\u00fcrme e\u011frisi<\/strong>: Cihaz\u0131n a\u015f\u0131r\u0131 \u0131s\u0131nmadan s\u00fcrekli olarak sa\u011flayabilece\u011fi \u00e7\u0131k\u0131\u015f g\u00fcc\u00fcn\u00fc ortam s\u0131cakl\u0131\u011f\u0131yla (ve bazen giri\u015f gerilimi veya rak\u0131mla) ili\u015fkilendiren bir grafik (<a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">PULS<\/a>).<\/p>\n\n<p>Bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n buna neden ihtiyac\u0131 var ki? \u00c7\u00fcnk\u00fc bir anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n verimlili\u011fi 0 % de\u011fildir. Kay\u0131plar, kasan\u0131n i\u00e7inde \u0131s\u0131 olarak ortaya \u00e7\u0131kar ve bu \u0131s\u0131y\u0131 \u00fcreten ve emen bile\u015fenlerin termal s\u0131n\u0131rlar\u0131 vard\u0131r. A\u015f\u0131nan par\u00e7alar, \u00f6zellikle de elektrolitik kondansat\u00f6rler, s\u0131cakl\u0131klar\u0131 y\u00fckseldik\u00e7e daha h\u0131zl\u0131 eskir. Bu nedenle \u00fcretici, bir grafik \u00fczerinde \u015f\u00f6yle bir \u00e7izgi \u00e7izer: <em>Bu ortam s\u0131cakl\u0131\u011f\u0131nda bu kadar g\u00fc\u00e7 g\u00fcvenli bir seviyededir<\/em> (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>).<\/p>\n\n<p>Tipik bir end\u00fcstriyel e\u011fri \u015fu \u015fekildedir: Ortam s\u0131cakl\u0131\u011f\u0131 yakla\u015f\u0131k 50 \u00b0C\u2019ye kadar tam \u00e7\u0131k\u0131\u015f g\u00fcc\u00fc, ard\u0131ndan 70 \u00b0C\u2019de nominal g\u00fcc\u00fcn yakla\u015f\u0131k 50 %\u2019sine kadar do\u011frusal bir d\u00fc\u015f\u00fc\u015f (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>). Diz ve e\u011fimin kesin de\u011ferleri seriye g\u00f6re de\u011fi\u015fiklik g\u00f6sterir ve bu makalenin b\u00fcy\u00fck bir k\u0131sm\u0131 bu farkl\u0131l\u0131klara odaklanmaktad\u0131r.<\/p>\n\n\n<div class=\"rich-card bd-reveal\" role=\"img\" aria-label=\"Tipik s\u0131cakl\u0131k derating e\u011frisi: 50 \u00b0C\u2019ye kadar tam g\u00fc\u00e7, ard\u0131ndan 70 \u00b0C\u2019de do\u011frusal olarak y\u00fczde 50\u2019ye d\u00fc\u015fer\">\n <p class=\"rich-chart-title\">End\u00fcstriyel bir g\u00fc\u00e7 kayna\u011f\u0131na ait tipik s\u0131cakl\u0131k-g\u00fc\u00e7 azaltma e\u011frisi<\/p>\n <svg viewbox=\"0 0 600 260\" width=\"100%\" height=\"auto\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"presentation\">\n <line x1=\"70\" y1=\"20\" x2=\"70\" y2=\"200\" stroke=\"var(--divider)\" stroke-width=\"1\"\/>\n <line x1=\"70\" y1=\"200\" x2=\"530\" y2=\"200\" stroke=\"var(--divider)\" stroke-width=\"1\"\/>\n <line x1=\"70\" y1=\"20\" x2=\"530\" y2=\"20\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <line x1=\"70\" y1=\"72\" x2=\"530\" y2=\"72\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <line x1=\"70\" y1=\"125\" x2=\"530\" y2=\"125\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <line x1=\"346\" y1=\"20\" x2=\"346\" y2=\"200\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <polyline points=\"70,20 346,20 438,72 530,125\" fill=\"none\" stroke=\"var(--accent-text)\" stroke-width=\"3\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\/>\n <circle cx=\"438\" cy=\"72\" r=\"4.5\" fill=\"var(--accent-text)\"\/>\n <text x=\"58\" y=\"24\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"end\">100 %<\/text>\n <text x=\"58\" y=\"76\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"end\">75 %<\/text>\n <text x=\"58\" y=\"129\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"end\">50 %<\/text>\n <text x=\"70\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">20 \u00b0C<\/text>\n <text x=\"346\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">50 \u00b0C<\/text>\n <text x=\"438\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" fill=\"var(--accent-text)\" text-anchor=\"middle\">60 \u00b0C<\/text>\n <text x=\"530\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">70 \u00b0C<\/text>\n <text x=\"300\" y=\"250\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">Ortam s\u0131cakl\u0131\u011f\u0131<\/text>\n <\/svg>\n<\/div>\n\n<p>Devam etmeden \u00f6nce bir a\u00e7\u0131klama: \u201cderating\u201d terimi, kablo ak\u0131m ta\u015f\u0131ma kapasitesi (NEC s\u0131cakl\u0131k d\u00fczeltme tablolar\u0131) ve g\u00fcne\u015f enerjisi invert\u00f6rlerinin \u00e7\u0131k\u0131\u015f s\u0131n\u0131rlamas\u0131 i\u00e7in de kullan\u0131l\u0131r. Bu makale yaln\u0131zca g\u00fc\u00e7 kayna\u011f\u0131n\u0131n kendi e\u011frisini ele almaktad\u0131r: dolab\u0131n\u0131zdaki 24 V DIN ray\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n ger\u00e7ekte ne kadar ak\u0131m sa\u011flayabilece\u011fini belirleyen e\u011fri.<\/p>\n\n<h2>Bir G\u00fc\u00e7 Kayna\u011f\u0131n\u0131n Nominal De\u011ferinin D\u00fc\u015f\u00fcr\u00fclmesine Neden Olan Be\u015f Ko\u015ful<\/h2>\n\n<p>S\u0131cakl\u0131k en \u00f6nemli tetikleyici fakt\u00f6rd\u00fcr, ancak tek fakt\u00f6r de\u011fildir. A\u015fa\u011f\u0131daki be\u015f ko\u015fullardan herhangi biri, mevcut \u00e7\u0131k\u0131\u015f\u0131 tip plakas\u0131nda belirtilen de\u011ferin alt\u0131na d\u00fc\u015f\u00fcrebilir:<\/p>\n\n<ol>\n<li><strong>Ortam s\u0131cakl\u0131\u011f\u0131 (en \u00f6nemlisi).<\/strong> Tam y\u00fck s\u0131cakl\u0131\u011f\u0131n\u0131n \u00fczerinde (genellikle 50 \u00b0C), \u00e7\u0131k\u0131\u015f g\u00fcc\u00fc e\u011fri boyunca d\u00fc\u015fer. S\u0131zd\u0131rmaz veya g\u00fcne\u015fe maruz kalan bir muhafaza i\u00e7inde, besleme kayna\u011f\u0131n\u0131n \u00e7evresindeki hava, oda s\u0131cakl\u0131\u011f\u0131n\u0131n 10\u201315 \u00b0C \u00fczerinde kalabilir.<\/li>\n<li><strong>Giri\u015f gerilimi d\u00fc\u015f\u00fck.<\/strong> Giri\u015f aral\u0131\u011f\u0131n\u0131n alt s\u0131n\u0131r\u0131na yak\u0131n bir noktada, evrensel giri\u015fli \u00fcnitelerde yakla\u015f\u0131k 90 VAC seviyesinde, besleme kayna\u011f\u0131 ayn\u0131 g\u00fcc\u00fc sa\u011flamak i\u00e7in daha fazla ak\u0131m \u00e7eker ve giri\u015f filtresi, k\u00f6pr\u00fc redres\u00f6r\u00fc ile PFC kademesi daha fazla \u0131s\u0131n\u0131r. Baz\u0131 \u00fcniteler 90 VAC'de nominal \u00e7\u0131k\u0131\u015f\u0131n ~80 % seviyesine d\u00fc\u015fer (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>).<\/li>\n<li><strong>2.000 m'nin \u00fczerindeki rak\u0131m.<\/strong> Hava ne kadar seyrek olursa, so\u011futma o kadar az etkili olur. 2.000 m\u2019nin \u00fczerinde, \u00e7o\u011fu \u00fcretici g\u00fc\u00e7 derecesinin d\u00fc\u015f\u00fcr\u00fclmesini \u015fart ko\u015far (maksimum yakla\u015f\u0131k 5.000 m\u2019ye kadar) (<a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">PULS<\/a>).<\/li>\n<li><strong>Montaj y\u00f6n\u00fc.<\/strong> Konveksiyonla so\u011futulan cihazlar, s\u0131cak havan\u0131n kasa havaland\u0131rma deliklerinden yukar\u0131 do\u011fru y\u00fckselmesine dayan\u0131r. Cihaz\u0131, \u00fcreticinin \u00f6ng\u00f6rmedi\u011fi bir y\u00f6nde, yani dik yerine yatay olarak ve havaland\u0131rma delikleri t\u0131kal\u0131 \u015fekilde kurarsan\u0131z, so\u011futma i\u015flemi bozulur. Evrensel bir dezavantaj fakt\u00f6r\u00fc yoktur; her cihaz\u0131n kendine \u00f6zg\u00fc y\u00f6nlendirme talimatlar\u0131 vard\u0131r.<\/li>\n<li><strong>So\u011fuk \u00e7al\u0131\u015ft\u0131rma.<\/strong> Baz\u0131 g\u00fc\u00e7 kaynaklar\u0131, \u221220 \u00b0C civar\u0131nda d\u00fc\u015f\u00fck s\u0131cakl\u0131kta da g\u00fc\u00e7 \u00e7\u0131k\u0131\u015f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr; b\u00f6ylece sistem sorunsuz ve aksakl\u0131k olmadan \u00e7al\u0131\u015fmaya ba\u015flar. Is\u0131nd\u0131ktan sonra ise tam g\u00fc\u00e7 tekrar kullan\u0131labilir hale gelir (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>).<\/li>\n<\/ol>\n\n\n<div class=\"rich-table-wrap\">\n <p class=\"rich-title\">Be\u015f derating tetikleyicisine genel bak\u0131\u015f<\/p>\n <div class=\"table-wrapper\">\n <table>\n <thead>\n <tr><th>Tetikleyici<\/th><th>Tipik e\u015fik de\u011feri<\/th><th>Tipik b\u00fcy\u00fckl\u00fck<\/th><th>Yapabilece\u011finiz ad\u0131mlar<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Ortam s\u0131cakl\u0131\u011f\u0131 (en yayg\u0131n olan\u0131)<\/td><td>50 \u00b0C (tipik tam y\u00fck noktas\u0131)<\/td><td>70 \u00b0C\u2019de ~50 % de\u011ferine do\u011frusal olarak d\u00fc\u015fer<\/td><td>Dolab\u0131n yaz aylar\u0131nda ula\u015fabilece\u011fi en y\u00fcksek s\u0131cakl\u0131\u011fa g\u00f6re boyutland\u0131rma<\/td><\/tr>\n <tr><td>D\u00fc\u015f\u00fck giri\u015f gerilimi<\/td><td>Evrensel giri\u015fli cihazlarda ~90 VAC<\/td><td>~80 % nominal \u00e7\u0131k\u0131\u015f g\u00fcc\u00fc<\/td><td>Nominal gerilimi de\u011fil, ger\u00e7ek hat gerilimini kontrol edin<\/td><\/tr>\n <tr><td>Y\u00fckseklik<\/td><td>2.000 m'nin \u00fczerinde<\/td><td>G\u00fc\u00e7 azalt\u0131m\u0131 gereklidir; maksimum ~5.000 m\u2019ye kadar<\/td><td>Y\u00fcksek rak\u0131ml\u0131 bir kurulumdan \u00f6nce, rak\u0131m\u0131 \u00fcreticinin e\u011frisi ile teyit edin<\/td><\/tr>\n <tr><td>Montaj y\u00f6n\u00fc<\/td><td>Veri sayfas\u0131ndaki \u00f6ng\u00f6r\u00fclen konumdan farkl\u0131d\u0131r<\/td><td>Evrensel bir say\u0131 yoktur \u2014 birime \u00f6zeldir<\/td><td>Kurulum k\u0131lavuzundaki y\u00f6nlendirme \u015femas\u0131n\u0131 izleyin<\/td><\/tr>\n <tr><td>D\u00fc\u015f\u00fck s\u0131cakl\u0131kta \u00e7al\u0131\u015ft\u0131rma<\/td><td>~\u221220 \u00b0C aral\u0131\u011f\u0131<\/td><td>Baz\u0131 \u00fcniteler \u0131s\u0131nana kadar g\u00fc\u00e7lerini d\u00fc\u015f\u00fcr\u00fcr<\/td><td>Is\u0131tmas\u0131z tesislerde tam y\u00fcke ge\u00e7meden \u00f6nce \u0131s\u0131nma s\u00fcresine izin verin<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<h2>Is\u0131nan Muhafaza \u0130\u00e7in Derating E\u011frisini Okuma ve G\u00fc\u00e7 Kayna\u011f\u0131n\u0131 Boyutland\u0131rma<\/h2>\n\n<p>Bu, \u00e7o\u011fu k\u0131lavuzun atlad\u0131\u011f\u0131 b\u00f6l\u00fcmd\u00fcr ve sizi her A\u011fustos ay\u0131nda elektrik kesintisi ya\u015fayan bir dolaptan kurtaracak olan da budur. \u00dc\u00e7 ad\u0131m.<\/p>\n\n<p><strong>1. Ad\u0131m: E\u011friyi bulun.<\/strong> Tam g\u00fc\u00e7 d\u00fc\u015f\u00fcrme verileri neredeyse her zaman veri sayfas\u0131n\u0131n sonunda yer al\u0131r; pazarlama \u00f6zetinde veya k\u0131sa katalog sayfas\u0131nda de\u011fil (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Bir tedarik\u00e7i size yaln\u0131zca tek sayfal\u0131k bir katalog \u00f6zeti g\u00f6nderirse, e\u011fri ve dolay\u0131s\u0131yla ger\u00e7ek derecelendirme eksik kal\u0131r.<\/p>\n\n\n<div class=\"bp-2-read bd-reveal\">\n <p class=\"bp-2-title\"><span class=\"bp-2-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"var(--accent-text)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M3 7V5a2 2 0 0 1 2-2h2\"\/><path d=\"M17 3h2a2 2 0 0 1 2 2v2\"\/><path d=\"M21 17v2a2 2 0 0 1-2 2h-2\"\/><path d=\"M7 21H5a2 2 0 0 1-2-2v-2\"\/><line x1=\"7\" x2=\"17\" y1=\"12\" y2=\"12\"\/><\/svg><\/span>E\u011friden \u00fc\u00e7 noktay\u0131 okuyun<\/p>\n <div class=\"bp-2-row\"><span class=\"bp-2-ic-row\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M4 15s1-1 4-1 5 2 8 2 4-1 4-1V3s-1 1-4 1-5-2-8-2-4 1-4 1z\"\/><line x1=\"4\" x2=\"4\" y1=\"22\" y2=\"15\"\/><\/svg><\/span><span class=\"bp-2-txt\"><strong>Plato sonu<\/strong> \u2014 tam y\u00fck\u00fcn art\u0131k yasal olmad\u0131\u011f\u0131 yer<\/span><\/div>\n <div class=\"bp-2-row\"><span class=\"bp-2-ic-row\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><polyline points=\"22 17 13.5 8.5 8.5 13.5 2 7\"\/><polyline points=\"16 17 22 17 22 11\"\/><\/svg><\/span><span class=\"bp-2-txt\"><strong>E\u011fim<\/strong> \u2014 dizden sonraki her derece ba\u015f\u0131na kaybedilen g\u00fc\u00e7<\/span><\/div>\n <div class=\"bp-2-row\"><span class=\"bp-2-ic-row\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8.5 14.5A2.5 2.5 0 0 0 11 12c0-1.38-.5-2-1-3-1.072-2.143-.224-4.054 2-6 .5 2.5 2 4.9 4 6.5 2 1.6 3 3.5 3 5.5a7 7 0 1 1-14 0c0-1.153.433-2.294 1-3a2.5 2.5 0 0 0 2.5 2.5z\"\/><\/svg><\/span><span class=\"bp-2-txt\"><strong>Art\u0131k<\/strong> \u2014 maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131nda geriye kalan miktar<\/span><\/div>\n<\/div>\n\n<p><strong>2. Ad\u0131m: \u00c7arp\u0131n, toplama yapmay\u0131n.<\/strong> \u0130ki ko\u015ful bir araya geldi\u011finde (\u00f6rne\u011fin, y\u00fcksek s\u0131cakl\u0131k art\u0131 d\u00fc\u015f\u00fck giri\u015f gerilimi), g\u00fc\u00e7 d\u00fc\u015f\u00fcrme fakt\u00f6rleri toplanmak yerine \u00e7arp\u0131l\u0131r. 85 VAC\u2019de 90 % ve 70 \u00b0C\u2019de 50 % sa\u011flayan bir g\u00fc\u00e7 kayna\u011f\u0131, her iki ko\u015fulun ayn\u0131 anda meydana gelmesi durumunda 0,9 \u00d7 0,5 = 45 % sa\u011flar. TDK-Lambda klasik bir \u00f6rnek vermektedir: bu ko\u015fullar\u0131n bir arada oldu\u011fu durumlarda 150 W'l\u0131k bir g\u00fc\u00e7 kayna\u011f\u0131 yaln\u0131zca yakla\u015f\u0131k 67,5 W'l\u0131k bir g\u00fc\u00e7 sa\u011flayabilir (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>).<\/p>\n\n<p>Bunu ger\u00e7ek bir kabin \u00fczerinde deneyin. 24 V, 240 W\u2019l\u0131k bir DIN ray\u0131 \u00fcnitesi (10 A), yaz \u00f6\u011fleden sonralar\u0131 60 \u00b0C\u2019ye ula\u015fan bir muhafaza i\u00e7inde yer almaktad\u0131r. Tipik e\u011friye g\u00f6re, 50 \u00b0C'de tam g\u00fc\u00e7 ve 70 \u00b0C'de yar\u0131m g\u00fc\u00e7 olarak hesapland\u0131\u011f\u0131nda, \u00fcnite 60 \u00b0C'de yakla\u015f\u0131k 75 % de\u011ferine uygundur: kabaca 180 W veya 7,5 A. Y\u00fck\u00fcn\u00fcz s\u00fcrekli olarak 8 A \u00e7ekiyorsa, 240 W isim plakas\u0131 o kabin i\u00e7inde bir kurgudan ibarettir. Bir \u00fcst g\u00fc\u00e7 s\u0131n\u0131f\u0131na ihtiyac\u0131n\u0131z vard\u0131r; bu s\u0131n\u0131fta 75 %'de \u00e7al\u0131\u015fan 480 W'l\u0131k bir \u00fcnite, 15 A'l\u0131k bir marj veya ger\u00e7ek bir havaland\u0131rma kapasitesi b\u0131rak\u0131r.<\/p>\n\n\n<div class=\"rich-callout bd-reveal\">\n <span class=\"rich-callout-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M15 14c.2-1 .7-1.7 1.5-2.5 1-.9 1.5-2.2 1.5-3.5A6 6 0 0 0 6 8c0 1 .2 2.2 1.5 3.5.7.7 1.3 1.5 1.5 2.5\"\/><path d=\"M9 18h6\"\/><path d=\"M10 22h4\"\/><\/svg><\/span>\n <div class=\"rich-callout-text\">Uygulama \u00f6rne\u011fi \u2014 60 \u00b0C\u2019lik bir kabin i\u00e7indeki 24 V, 240 W g\u00fc\u00e7 kayna\u011f\u0131: tip plakas\u0131nda 10 A \u2192 ~7,5 A\u2019ya d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f (tipik e\u011fride 60 \u00b0C\u2019de 75 %). 8 A\u2019l\u0131k bir y\u00fck, tip plakas\u0131na uysa da e\u011friye g\u00f6re yetersiz kal\u0131r. Boyutu belirlerken daima en k\u00f6t\u00fc durum s\u0131cakl\u0131\u011f\u0131ndaki e\u011friyi esas al\u0131n, ilk sayfadaki de\u011ferleri de\u011fil.<\/div>\n<\/div>\n\n<p><strong>3. Ad\u0131m: Kayna\u011f\u0131 su\u00e7lamadan \u00f6nce kurulumu kontrol edin.<\/strong> Y\u00f6nlendirme ve hava ak\u0131\u015f\u0131 bu de\u011feri yeniden de\u011fi\u015ftirir. Zorunlu hava ak\u0131\u015f\u0131 \u00e7arp\u0131c\u0131 bir fark yarat\u0131r: 550 W\u2019l\u0131k bir kapal\u0131 besleme \u00fcnitesi, konveksiyonla so\u011futuldu\u011funda 230 W, iletimle so\u011futuldu\u011funda 450 W g\u00fc\u00e7 verir; ancak tam 550 W\u2019l\u0131k g\u00fcc\u00fc yaln\u0131zca bir fan varken sa\u011flayabilir (<a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">DigiKey forumu<\/a>). Kontrol paneli imalat\u0131 alan\u0131nda, herhangi bir teknik veriden \u00e7ok daha kaba genel kurallar dola\u015fmaktad\u0131r: \u201cBesleme kablosunu d\u00fcz bir \u015fekilde d\u00f6\u015ferseniz 50 % derating oldu\u011funu varsay\u0131n\u201d ifadesi, kontrol paneli forumlar\u0131nda ger\u00e7ek bir halk bilgisi haline gelmi\u015ftir (<a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1cj8w5b\/dont_mount_heat_producing_components_on_vertical\/\" target=\"_blank\" rel=\"noopener\">r\/PLC<\/a>, <a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1lhyju8\/anyone_else_do_this\/\" target=\"_blank\" rel=\"noopener\">r\/PLC<\/a>). Bunun ard\u0131ndaki mant\u0131k do\u011frudur, zira konveksiyonla so\u011futulan \u00fcniteler i\u00e7in y\u00f6nlendirme ger\u00e7ekten \u00f6nemlidir; ancak 50 % rakam\u0131 bir fizik kanunu de\u011fildir. Y\u00f6nlendirme tablosunu okuyun: <em>senin<\/em> birim.<\/p>\n\n<p>Bilmeniz gereken bir \u015fey daha var: Bir g\u00fc\u00e7 kayna\u011f\u0131, y\u00fck\u00fc kibar bir \u015fekilde azaltmaz. E\u011frinin izin verdi\u011finden daha fazla y\u00fck \u00e7ekerseniz, \u00e7o\u011fu \u00fcnite basit\u00e7e daha fazla \u0131s\u0131n\u0131r ve daha h\u0131zl\u0131 eskir; uzun s\u00fcreli a\u015f\u0131r\u0131 y\u00fck, termal kapatma veya koruyucu ge\u00e7ici durma moduyla sonu\u00e7lan\u0131r (<a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">PULS<\/a>). K\u0131sa geziler genellikle sorun yaratmaz. Uzun geziler ise kondansat\u00f6rlerin erken bozulmas\u0131na neden olur.<\/p>\n\n<h2>Neden \u0130ki \u201c100 W\u201d G\u00fc\u00e7 Kayna\u011f\u0131 Ayn\u0131 S\u0131cakl\u0131kta Farkl\u0131 G\u00fc\u00e7 Sa\u011fl\u0131yor?<\/h2>\n\n<p>\u0130\u015fte, fark edene kadar bir tuzak gibi g\u00f6r\u00fcnen k\u0131s\u0131m \u015fudur: isim plakas\u0131nda ayn\u0131 watt de\u011feri belirtilen iki g\u00fc\u00e7 kayna\u011f\u0131, farkl\u0131 s\u0131cakl\u0131klarda ba\u015flayan derating e\u011frilerine sahip olabilir ve belirli bir ortam s\u0131cakl\u0131\u011f\u0131nda \u00e7ok farkl\u0131 g\u00fc\u00e7 de\u011ferleri sa\u011flayabilir. E\u011fri bir <em>tasar\u0131m tercihi<\/em>, ve bunu nas\u0131l okuyaca\u011f\u0131n\u0131z\u0131 bilmek, asl\u0131nda hangi \u201c100 W\u201d \u00fcr\u00fcn\u00fcn\u00fc sat\u0131n ald\u0131\u011f\u0131n\u0131z\u0131 anlaman\u0131z\u0131 sa\u011flar.<\/p>\n\n <img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/09\/Power-Supply-Derating.webp\" style=\"width: 512px; height: 384px; max-width: 100%; object-fit: cover; border-radius: 12px; margin: 30px auto; display: block; box-shadow: 10px 10px 60px 0px rgba(210, 221, 224, 0.35); transition: all 0.3s ease; cursor: pointer;\" onmouseover=\"this.style.transform='translateY(-5px) scale(1.03)'; this.style.boxShadow='15px 25px 80px 0px rgba(210, 221, 224, 0.45)'\" onmouseout=\"this.style.transform='translateY(0) scale(1)'; this.style.boxShadow='10px 10px 60px 0px rgba(210, 221, 224, 0.35)'\"> \n\n<h3>Dik bir e\u011fri, bir tasar\u0131m \u00f6d\u00fcnle\u015fimidir; bir kusur de\u011fildir<\/h3>\n\n<p>E\u011frinin \u015fekli \u00fc\u00e7 fakt\u00f6re ba\u011fl\u0131d\u0131r: so\u011futma mimarisi (konveksiyon, taban plakas\u0131 \u00fczerinden \u0131s\u0131 iletimi veya zorlamal\u0131 hava so\u011futma), elektrolitik kondansat\u00f6rlerin kullan\u0131m \u00f6mr\u00fc b\u00fct\u00e7esi ve \u00fcr\u00fcn\u00fcn boyut ve maliyet hedefleri. \u00dcreticiler g\u00fc\u00e7 yo\u011funlu\u011funu s\u00fcrekli art\u0131rmaya devam ediyor. XP Power, giderek artan say\u0131da AC-DC g\u00fc\u00e7 kayna\u011f\u0131n\u0131n, nominal de\u011ferlerini iyile\u015ftirmek i\u00e7in g\u00fc\u00e7 d\u00fc\u015f\u00fcrme spesifikasyonlar\u0131na dayand\u0131\u011f\u0131n\u0131 a\u00e7\u0131k\u00e7a belirtiyor (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Ba\u015fka bir deyi\u015fle: Man\u015fetin g\u00f6ze \u00e7arpan k\u0131sm\u0131 daha da b\u00fcy\u00fcrken, k\u00fc\u00e7\u00fck yaz\u0131lar ve e\u011fri sessizce daha \u00f6ne kayar.<\/p>\n\n<p>\u0130ki ger\u00e7ek e\u011fri ailesini kar\u015f\u0131la\u015ft\u0131r\u0131n. Geleneksel tasar\u0131mda, 50 \u00b0C\u2019ye kadar tam g\u00fc\u00e7 verilir; 70 \u00b0C\u2019de ise g\u00fc\u00e7 50 %\u2019ye d\u00fc\u015fer (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>). Baz\u0131 yeni a\u00e7\u0131k \u00e7er\u00e7eveli ve y\u00fcksek yo\u011funluklu \u00fcniteler, tam y\u00fck noktas\u0131n\u0131 40 \u00b0C\u2019ye indirir ve 60 \u00b0C\u2019de 50 % de\u011ferine ula\u015f\u0131r (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Ayn\u0131 tip plakas\u0131 var, ama tamamen farkl\u0131 bir makine.<\/p>\n\n<h3>E\u011frinin arkas\u0131nda bir \u00f6m\u00fcr boyu s\u00fcren bir kay\u0131t defteri yat\u0131yor<\/h3>\n\n<p>Bunun \u00f6nemi \u015fudur: Bu e\u011fri b\u00fcrokrasi de\u011fil, \u00f6m\u00fcr boyu bir s\u00f6zle\u015fmedir. Elektrolitik kondansat\u00f6rler, bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n i\u00e7indeki esasen tek a\u015f\u0131nan bile\u015fendir ve \u00f6m\u00fcrleri, Arrhenius kural\u0131n\u0131n bir varyasyonuna g\u00f6re belirlenir: Bile\u015fenin s\u0131cakl\u0131\u011f\u0131n\u0131 her 10 \u00b0C d\u00fc\u015f\u00fcrd\u00fc\u011f\u00fcn\u00fczde, beklenen \u00f6m\u00fcr kabaca iki kat\u0131na \u00e7\u0131kar (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>). DigiKey\u2019in uygulama m\u00fchendisleri bu \u00f6rne\u011fi ters y\u00f6nden ele al\u0131rlar: 125 \u00b0C\u2019de 2.000 saatlik bir kullan\u0131m \u00f6mr\u00fcne sahip bir kondansat\u00f6r, s\u0131cakl\u0131\u011f\u0131 55 \u00b0C civar\u0131nda tutulursa on y\u0131llarca kullan\u0131m \u00f6mr\u00fcne kar\u015f\u0131l\u0131k gelir (<a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">DigiKey forumu<\/a>). G\u00fc\u00e7 d\u00fc\u015f\u00fcrme e\u011frisinin \u00f6tesinde s\u00fcrekli olarak \u00e7al\u0131\u015ft\u0131r\u0131rsan\u0131z, \u201cbedavaya ekstra g\u00fc\u00e7 elde etmi\u015f\u201d olmazs\u0131n\u0131z: bu g\u00fc\u00e7 fazlas\u0131n\u0131 feda edersiniz ve yal\u0131t\u0131m bariyerinin termal marj\u0131n\u0131 t\u00fcketmi\u015f olursunuz (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>).<\/p>\n\n<h3>Agresif bir e\u011friye bir fiyat bi\u00e7mek<\/h3>\n\n<p>Peki, iki \u201c100 W\u201d cihaz\u0131n\u0131 nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131rs\u0131n\u0131z? 40 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda, 50 \u00b0C\u2019de tepe noktas\u0131na ula\u015fan cihaz tam 100 W g\u00fc\u00e7 verir. 40 \u00b0C\u2019de tepe noktas\u0131na ula\u015fan cihaz ise halihaz\u0131rda e\u011fim \u00fczerindedir ve yukar\u0131daki grafikte de g\u00f6r\u00fcld\u00fc\u011f\u00fc \u00fczere pratikte ~75 W\u2019l\u0131k bir \u00fcr\u00fcnd\u00fcr (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Bu, ayn\u0131 watt de\u011ferinde sat\u0131lan iki \u00fcr\u00fcn aras\u0131nda kullan\u0131labilir g\u00fc\u00e7 a\u00e7\u0131s\u0131ndan kabaca 25 %'lik bir fark anlam\u0131na gelir ve bu fark, kabinin \u0131s\u0131nmas\u0131yla birlikte artar (a\u015fa\u011f\u0131daki tabloya bak\u0131n\u0131z).<\/p>\n\n\n<div class=\"rich-table-wrap\">\n <p class=\"rich-title\">\u201c100 W\u201d tipi etiketini okumak: \u00fc\u00e7 ortamda iki farkl\u0131 e\u011fri karakteri<\/p>\n <div class=\"table-wrapper\">\n <table>\n <thead>\n <tr><th>E\u011fri ki\u015filik<\/th><th>Tam y\u00fck noktas\u0131<\/th><th>40 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda<\/th><th>60 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Tipik (50 \u00b0C\u2019ye kadar tam y\u00fck, ard\u0131ndan 70 \u00b0C\u2019de 50 %)<\/td><td>50 \u00b0C<\/td><td>100 W<\/td><td>~75 W<\/td><\/tr>\n <tr><td>Agresif (40 \u00b0C\u2019ye kadar tam, ard\u0131ndan 60 \u00b0C\u2019de 50 %)<\/td><td>40 \u00b0C<\/td><td>~75 W<\/td><td>~50 W<\/td><\/tr>\n <tr><td>Konservatif (50 \u00b0C ve \u00fczeri, zorlamal\u0131 havaland\u0131rma se\u00e7ene\u011fi)<\/td><td>50 \u00b0C veya daha y\u00fcksek<\/td><td>100 W<\/td><td>So\u011futmaya ba\u011fl\u0131 \u2014 fan kullan\u0131ld\u0131\u011f\u0131nda 100 W'l\u0131k y\u00fck\u00fc ta\u015f\u0131yabilir<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n\n<div class=\"bp-1-hook bd-reveal\">\n <div class=\"bp-1-stat\">25 %<\/div>\n <div class=\"bp-1-ttl\">Ayn\u0131 tip etiketi. Ayn\u0131 makine de\u011fil.<\/div>\n <div class=\"bp-1-sub\">Biri 50 \u00b0C\u2019de, di\u011feri 40 \u00b0C\u2019de tam y\u00fck de\u011ferine sahip iki adet \u201c100 W\u201d g\u00fc\u00e7 kayna\u011f\u0131, 40 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda ~25 % kullan\u0131labilir g\u00fc\u00e7 a\u00e7\u0131s\u0131ndan farkl\u0131l\u0131k g\u00f6sterir \u2014 ve kabin \u0131s\u0131nd\u0131k\u00e7a bu fark daha da artar.<\/div>\n<\/div>\n\n<h2>G\u00fc\u00e7 Kaynaklar\u0131n\u0131, Nominal Watt De\u011feri De\u011fil, Kullan\u0131labilir Ak\u0131m De\u011feriye G\u00f6re Kar\u015f\u0131la\u015ft\u0131r\u0131n<\/h2>\n\n<p>G\u00fc\u00e7 kaynaklar\u0131 tedarik ediyor, stokluyorsunuz veya sat\u0131yorsan\u0131z, bu konudaki pratik kural k\u0131sad\u0131r: <strong>Kar\u015f\u0131la\u015ft\u0131rma, nominal watt de\u011ferine g\u00f6re de\u011fil, kullan\u0131m s\u0131cakl\u0131\u011f\u0131ndaki kullan\u0131labilir ak\u0131ma g\u00f6re yap\u0131lmal\u0131d\u0131r.<\/strong> 50 \u00b0C\u2019ye kadar tam y\u00fckte \u00e7al\u0131\u015fan bir \u201c240 W\u201d \u00fcnitesi ile 40 \u00b0C\u2019de performans kayb\u0131na ba\u015flayan bir \u201c240 W\u201d \u00fcnitesi, ayn\u0131 etikete sahip farkl\u0131 \u00fcr\u00fcnlerdir ve sadece \u00f6n sayfalar\u0131 kar\u015f\u0131la\u015ft\u0131ran al\u0131c\u0131, sahada ar\u0131za ya\u015fayan ki\u015fi olur.<\/p>\n\n<p>\u00dc\u00e7 kontrol, bu kural\u0131 bir al\u0131\u015fkanl\u0131\u011fa d\u00f6n\u00fc\u015ft\u00fcr\u00fcr:<\/p>\n\n<ol>\n<li><strong>Her zaman eksiksiz teknik veri sayfas\u0131n\u0131 isteyin.<\/strong> Azaltma e\u011frisi, tam veri sayfas\u0131n\u0131n son sayfas\u0131nda yer al\u0131r; katalog \u00f6zetleri ve k\u0131sa form sayfalar\u0131nda ise genellikle bu e\u011fri yer almaz (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). E\u011fri sayfas\u0131n\u0131 sunamayan ya da sunmak istemeyen bir tedarik\u00e7i, sizden \u201cg\u00fcvenerek\u201d sat\u0131n alman\u0131z\u0131 istiyor. S\u0131cak dolap uygulamas\u0131nda bu \u201cg\u00fcven\u201d A\u011fustos ay\u0131 civar\u0131nda sars\u0131l\u0131r.<\/li>\n<li><strong>\u00dc\u00e7 maddeyi okuyun.<\/strong> Plato sonu, e\u011fim, maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131ndaki kal\u0131nt\u0131 de\u011fer. Bu \u00fc\u00e7 rakam, watt de\u011ferinden daha fazla bilgi verir.<\/li>\n<li><strong>Fiyat teklifi vermeden veya sipari\u015f vermeden \u00f6nce uygulamadaki hesaplamalar\u0131 yap\u0131n.<\/strong> M\u00fc\u015fterinin en k\u00f6t\u00fc senaryoya ait kabin s\u0131cakl\u0131\u011f\u0131n\u0131 ve s\u00fcrekli y\u00fck ak\u0131m\u0131n\u0131 al\u0131n, bunlar\u0131 aday \u00fcr\u00fcn\u00fcn e\u011frisi \u00fczerinde takip edin ve d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f de\u011ferin y\u00fck\u00fc kar\u015f\u0131lad\u0131\u011f\u0131n\u0131 do\u011frulay\u0131n. Yedek kapasite b\u0131rak\u0131n; \u00e7\u00fcnk\u00fc toz birikimi ve hava ak\u0131\u015f\u0131n\u0131n t\u0131kanmas\u0131, ekipman\u0131n kullan\u0131m \u00f6mr\u00fc boyunca so\u011futma performans\u0131n\u0131 fark edilmeden d\u00fc\u015f\u00fcr\u00fcr (<a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">DigiKey forumu<\/a>).<\/li>\n<\/ol>\n\n\n<div class=\"rich-card rich-checklist bd-reveal\">\n <p class=\"rich-checklist-title\"><span class=\"rich-title-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m3 17 2 2 4-4\"\/><path d=\"m3 7 2 2 4-4\"\/><path d=\"M13 6h8\"\/><path d=\"M13 12h8\"\/><path d=\"M13 18h8\"\/><\/svg><\/span>Se\u00e7im kontrol listesi<\/p>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">Tam teknik veri sayfas\u0131 elde edildi (g\u00fc\u00e7 d\u00fc\u015f\u00fcrme e\u011frisi sayfas\u0131 dahil)<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">Tam y\u00fckte plato noktas\u0131 kaydedildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">E\u011fim ve 70 \u00b0C\u2019lik kal\u0131nt\u0131 de\u011feri kaydedildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">En k\u00f6t\u00fc durum senaryosuna g\u00f6re dolap s\u0131cakl\u0131\u011f\u0131 m\u00fc\u015fteri ile teyit edildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">S\u00fcrekli y\u00fck ak\u0131m\u0131, d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f de\u011ferle kar\u015f\u0131la\u015ft\u0131r\u0131larak kontrol edildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">Uygulama, s\u0131zd\u0131rmaz veya g\u00fcne\u015fe maruz kalan bir muhafaza ise g\u00fc\u00e7 s\u0131n\u0131f\u0131 bir kademe y\u00fckseltilir<\/span><\/div>\n<\/div>\n\n<p>Bir beden b\u00fcy\u00fc\u011f\u00fcne ge\u00e7mek ne zaman yanl\u0131\u015f olur? Ortam\u0131n ger\u00e7ekten kontroll\u00fc oldu\u011fu durumlarda: kabinin s\u0131cakl\u0131\u011f\u0131n\u0131n asla 50 \u00b0C\u2019ye ula\u015fmad\u0131\u011f\u0131 klimal\u0131 bir elektrik odas\u0131 ya da y\u00fck\u00fcn zaten nominal de\u011ferinin \u00e7ok alt\u0131nda kald\u0131\u011f\u0131 durumlarda. Buradaki ama\u00e7, kar\u015f\u0131layabilece\u011finiz en b\u00fcy\u00fck etiketi de\u011fil, ihtiyac\u0131n\u0131z olan performans e\u011frisini elde etmektir.<\/p>\n\n<h2>Derating, Distrib\u00fct\u00f6rler ve Sat\u0131c\u0131lar \u0130\u00e7in Ne Anlama Geliyor?<\/h2>\n\n<p>Da\u011f\u0131t\u0131c\u0131lar, en iyi durumda teknik \u00f6zellikler tablosunda vaat edilenleri de\u011fil, en k\u00f6t\u00fc durumda m\u00fc\u015fterilerinin ihtiya\u00e7 duydu\u011fu \u00fcr\u00fcnleri satarlar. Derating, bu iki durumun birbirinden ayr\u0131ld\u0131\u011f\u0131 noktad\u0131r ve yukar\u0131da belirtilen her bir hususun ticari bir sonucu vard\u0131r.<\/p>\n\n<p>\u0130lk olarak, m\u00fc\u015fterilerinizin ya\u015fad\u0131\u011f\u0131 ar\u0131zalar tam da e\u011frinin keskin bir d\u00f6n\u00fc\u015f yapt\u0131\u011f\u0131 noktada yo\u011funla\u015f\u0131r. \u00d6n sayfada belirtilen boyutlara g\u00f6re s\u0131zd\u0131rmaz bir kabine g\u00fc\u00e7 kayna\u011f\u0131 kablolamas\u0131 yapan bir tamir at\u00f6lyesi veya panel \u00fcreticisi, s\u0131cak havalarda g\u00fc\u00e7 yetersizli\u011fi belirtileriyle kar\u015f\u0131la\u015facakt\u0131r: voltaj d\u00fc\u015f\u00fc\u015fleri, yeniden ba\u015flatmalar, erken ar\u0131zalar. Bu durum, iade, servis \u00e7a\u011fr\u0131s\u0131 ve kaybedilen bir yeniden sat\u0131\u015f anlam\u0131na gelir; bunlar\u0131n t\u00fcm\u00fc, e\u011frinin \u00f6ng\u00f6rd\u00fc\u011f\u00fc s\u0131cak muhafaza uygulamalar\u0131nda yo\u011funla\u015f\u0131r. 60 \u00b0C'de d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f ak\u0131m de\u011ferine g\u00f6re sat\u0131\u015f yapmak ekstra bir \u00f6zen de\u011fildir; bu, \u00f6ng\u00f6r\u00fclebilir \u015fikayetleri \u00f6nlemektir.<\/p>\n\n<p>\u0130kinci olarak, yedek stok olu\u015fturun. Tamamen watt de\u011ferine g\u00f6re d\u00fczenlenmi\u015f bir katalogda, \u201cy\u00fcksek s\u0131cakl\u0131kl\u0131 kabinlere uygun\u201d \u00fcniteler sistematik olarak eksik kal\u0131r; \u00e7\u00fcnk\u00fc 60 \u00b0C\u2019lik bir kabinde 8 A\u2019l\u0131k bir y\u00fck\u00fc kar\u015f\u0131layan \u00fcnite, 240 W de\u011fil, 480 W etiketine sahiptir. Nominal s\u0131n\u0131flar\u0131n yan\u0131 s\u0131ra bir \u00fcst s\u0131n\u0131f \u00fcr\u00fcnleri de stoklad\u0131\u011f\u0131n\u0131zda, y\u00fcksek s\u0131cakl\u0131kl\u0131 ortamlar i\u00e7in verilen sipari\u015fler \u00f6zel sipari\u015f olmaktan \u00e7\u0131k\u0131p standart bir stok kalemi haline gelir.<\/p>\n\n<p>\u00dc\u00e7\u00fcnc\u00fcs\u00fc, \u201c25 %\u201d ifadesini teklif haz\u0131rlama dilinizin bir par\u00e7as\u0131 haline getirin. Bir m\u00fc\u015fteri, teklifinizi ayn\u0131 watt de\u011ferine sahip daha ucuz bir \u00fcniteyle kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131nda, aradaki fark sadece agresif bir e\u011friden ibaret olabilir: 100 W etiketli, ger\u00e7ekte 75 W g\u00fcc\u00fcnde \u00e7al\u0131\u015fan bir makine (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Dolap s\u0131cakl\u0131\u011f\u0131nda kullan\u0131labilir ak\u0131m\u0131 a\u00e7\u0131klamak, hayali gerek\u00e7elerle fiyat e\u015fle\u015ftirme yapmak yerine, m\u00fchendislik temellerine dayanarak bir fiyat\u0131 savunman\u0131n yoludur.<\/p>\n\n<p>Son olarak, e\u011fri sayfas\u0131n\u0131 bir tedarik\u00e7i filtresi olarak de\u011ferlendirin. Bir kaynaktan e\u011fri dahil olmak \u00fczere eksiksiz teknik veri sayfas\u0131n\u0131 temin edemiyorsan\u0131z, o kayna\u011f\u0131n teknik \u00f6zelliklere ili\u015fkin riskini \u00fcstlenmi\u015f olursunuz ve bunu kendi m\u00fc\u015fterilerinize yeniden satm\u0131\u015f olursunuz. Eksiksiz dok\u00fcmantasyon bir l\u00fcks de\u011fildir; bu \u00fcr\u00fcn kategorisinde bu <em>\u015fudur<\/em> teknik \u015fartname.<\/p>\n\n<p class=\"bd-closer\"><em>S\u0131cak ortamlardaki muhafazalar i\u00e7in DIN ray\u0131 tipi veya kapal\u0131 tip anahtarlamal\u0131 g\u00fc\u00e7 kaynaklar\u0131n\u0131n boyutland\u0131rmas\u0131n\u0131 yap\u0131yorsan\u0131z, bizim <a href=\"https:\/\/www.omch.com\/tr\/switch-mode-power-supply\/\" target=\"_self\">anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131 serisi<\/a> 85\u2013264 VAC geni\u015f giri\u015f aral\u0131\u011f\u0131na ve 105 \u00b0C nominal \u00e7\u0131k\u0131\u015f kapasit\u00f6rlerine sahip, 480 W\u2019a kadar DIN ray\u0131 modelleri dahil olmak \u00fczere kompakt \u00fcniteleri kapsamaktad\u0131r. \u00dcr\u00fcn yelpazemiz <a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\" target=\"_self\">\u00fcr\u00fcn se\u00e7imi hizmeti<\/a> cihaz\u0131 sadece watt de\u011ferinize g\u00f6re de\u011fil, dolab\u0131n\u0131z\u0131n ger\u00e7ek s\u0131cakl\u0131\u011f\u0131na g\u00f6re ayarlayacakt\u0131r. <a href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Bize ula\u015f\u0131n<\/a> Sipari\u015f vermeden \u00f6nce ortam ko\u015fullar\u0131n\u0131 ve y\u00fck profilini g\u00f6z \u00f6n\u00fcnde bulundurun.<\/em><\/p>\n\n\n<div class=\"bp-cta-end bd-reveal\">\n <p class=\"bp-cta-end-ttl\"><span class=\"bd-cta-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m22 2-7 20-4-9-9-4z\"\/><path d=\"M22 2 11 13\"\/><\/svg><\/span>Boyutu etikete g\u00f6re de\u011fil, e\u011frili\u011fe g\u00f6re belirleyin.<\/p>\n <p class=\"bp-cta-end-sub\">Dolab\u0131n\u0131z\u0131n en k\u00f6t\u00fc durum s\u0131cakl\u0131\u011f\u0131n\u0131 ve s\u00fcrekli y\u00fck de\u011ferini bize iletin. \u00dcr\u00fcn sevk edilmeden \u00f6nce g\u00fc\u00e7 s\u0131n\u0131f\u0131n\u0131, modeli ve e\u011friyi buna g\u00f6re ayarlayaca\u011f\u0131z.<\/p>\n <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Y\u00fck profilimi g\u00f6nder<svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M5 12h14\"\/><path d=\"m12 5 7 7-7 7\"\/><\/svg><\/a>\n<\/div>\n\n<h2>Kaynak\u00e7a<\/h2>\n<ol>\n<li>[XP Power]. \u201cG\u00fc\u00e7 kaynaklar\u0131n\u0131n kapasite d\u00fc\u015f\u00fcrme \u00f6zelliklerinin anla\u015f\u0131lmas\u0131.\u201d 2024. <a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications<\/a><\/li>\n<li>[TDK-Lambda]. \u201cBir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n derating y\u00fczdesini nas\u0131l belirlerim?\u201d 2022. <a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html<\/a><\/li>\n<li>[PULS]. \u201cG\u00fc\u00e7 kayna\u011f\u0131 ba\u011flam\u0131nda derating ne anlama gelir?\u201d (SSS). <a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">https:\/\/products.pulspower.com\/en\/faq\/meaning-derating<\/a><\/li>\n<li>[DigiKey Forumu]. \u201cG\u00fc\u00e7 Kayna\u011f\u0131nda Termal Derating: Neden 550 W\u2019l\u0131k Bir G\u00fc\u00e7 Kayna\u011f\u0131 Yaln\u0131zca 230 W G\u00fc\u00e7 Sa\u011flayabilir?\u201d 2023. <a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170<\/a><\/li>\n<li>[r\/PLC \u2014 Reddit]. \u201cIs\u0131 \u00fcreten bile\u015fenleri dikey DIN ray\u0131na monte etmeyin.\u201d 2024. <a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1cj8w5b\/dont_mount_heat_producing_components_on_vertical\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.reddit.com\/r\/PLC\/comments\/1cj8w5b\/dont_mount_heat_producing_components_on_vertical\/<\/a><\/li>\n<li>[r\/PLC \u2014 Reddit]. \u201cBunu yapan ba\u015fka kimse var m\u0131?\u201d 2025. <a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1lhyju8\/anyone_else_do_this\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.reddit.com\/r\/PLC\/comments\/1lhyju8\/anyone_else_do_this\/<\/a><\/li>\n<li>[OMCH]. \u201cAnahtarlamal\u0131 G\u00fc\u00e7 Kayna\u011f\u0131.\u201d <a href=\"https:\/\/www.omch.com\/tr\/switch-mode-power-supply\/\" target=\"_self\">https:\/\/www.omch.com\/switch-mode-power-supply\/<\/a><\/li>\n<li>[OMCH]. \u201c\u00dcr\u00fcn Se\u00e7imi.\u201d <a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\" target=\"_self\">https:\/\/www.omch.com\/product-selection\/<\/a><\/li>\n<li>[OMCH]. \u201cOMCH ile \u0130leti\u015fime Ge\u00e7in.\u201d <a href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">https:\/\/www.omch.com\/contact\/<\/a><\/li>\n<li>[OMCH]. \u201cEnd\u00fcstriyel Otomasyon Bile\u015fenleri \u00dcreticisi \u2014 OMCH.\u201d <a href=\"https:\/\/www.omch.com\/tr\/\" target=\"_self\">https:\/\/www.omch.com\/<\/a><\/li>\n<\/ol>\n\n<\/article>\n<\/div>\n\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>G\u00fc\u00e7 Kayna\u011f\u0131 Deratingi A\u00e7\u0131klamas\u0131: Tip Plakas\u0131nda Yazmayanlar Hemen hemen herhangi bir anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n teknik veriler sayfas\u0131n\u0131 a\u00e7t\u0131\u011f\u0131n\u0131zda, birbiriyle \u00e7eli\u015fiyor gibi g\u00f6r\u00fcnen iki rakamla kar\u015f\u0131la\u015f\u0131rs\u0131n\u0131z. \u0130lki, ilk sayfada yer alan 240 W de\u011feridir. \u0130kincisi ise, sayfan\u0131n sonlar\u0131na do\u011fru gizlenmi\u015f, 70 \u00b0C\u2019de ayn\u0131 \u00fcnitenin [\u2026]<\/p>","protected":false},"author":4,"featured_media":12291,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Power Supply Derating: Temperature, Load & Sizing Guide","_seopress_titles_desc":"Learn how temperature, airflow, altitude and load affect power supply output, and use derating curves to size a reliable supply.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/comments?post=12288"}],"version-history":[{"count":1,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12288\/revisions"}],"predecessor-version":[{"id":12292,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12288\/revisions\/12292"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media\/12291"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media?parent=12288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/categories?post=12288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/tags?post=12288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":12288,"date":"2026-09-10T05:45:35","date_gmt":"2026-09-10T05:45:35","guid":{"rendered":"https:\/\/www.omch.com\/?p=12288"},"modified":"2026-09-10T05:45:36","modified_gmt":"2026-09-10T05:45:36","slug":"power-supply-derating","status":"publish","type":"post","link":"https:\/\/www.omch.com\/tr\/power-supply-derating\/","title":{"rendered":"G\u00fc\u00e7 Kayna\u011f\u0131 Deratingi A\u00e7\u0131klamas\u0131: Tip Plakas\u0131nda Yazmayanlar"},"content":{"rendered":"\n\n\n\n\nG\u00fc\u00e7 Kayna\u011f\u0131 Deratingi A\u00e7\u0131klamas\u0131: Tip Plakas\u0131nda Yazmayanlar<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;600;700&family=Roboto:wght@600;700&display=swap');\n\n.bd-post {\n --prose-width: 720px;\n --gap-attach: 16px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-compact: 16px;\n --pad-standard: 24px;\n --body-bg: #FFFFFF;\n --text-primary: #333333;\n --text-secondary: #6E6E6E;\n --heading-ink: #000000;\n --accent: #479DE2;\n --accent-text: #2A76B4;\n --accent-hot: #FD9649;\n --navy: #0D3972;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --inverse-text-secondary: #B0B0B0;\n --card-fill: #F4F8FC;\n --card-border: #E0E0E0;\n --divider: #C0C0C0;\n --panel-fill: #FAFAFA;\n --btn-white: #FFFFFF;\n --btn-ink: #1E1E1E;\n font-family: \"Manrope\", sans-serif;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.6;\n color: var(--text-primary);\n background: var(--body-bg);\n padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n}\n.bd-post a { overflow-wrap: anywhere; 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margin: 32px 0 12px; }\n.bd-post ul, .bd-post ol { margin: 0 0 1em; padding-left: 1.5em; }\n.bd-post li { margin-bottom: 0.5em; }\n.bd-post strong { font-weight: 700; }\n.bd-post em { font-style: italic; }\n.bd-post p a, .bd-post li a, .bd-post blockquote a, .bd-post td a {\n color: var(--accent-text);\n font-weight: 500;\n text-decoration: underline;\n text-decoration-color: var(--accent-text);\n}\n.bd-post p.bd-closer {\n border-left: 4px solid var(--accent);\n padding-left: 16px;\n margin: 24px 0;\n}\n\n\/* --- BP-1: memory hook (dark signature, solid #1) --- *\/\n.bd-post .bp-1-hook {\n background: var(--inverse-bg);\n border-radius: 10px;\n padding: var(--pad-standard);\n display: flex;\n flex-direction: column;\n gap: 4px;\n}\n.bd-post .bp-1-stat {\n font-family: \"Roboto\", sans-serif;\n font-weight: 700;\n font-size: 36px;\n line-height: 1.1;\n color: var(--accent-hot);\n}\n.bd-post .bp-1-ttl {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 20px;\n line-height: 1.25;\n color: var(--inverse-text);\n}\n.bd-post .bp-1-sub {\n font-size: 15px;\n line-height: 1.5;\n color: var(--inverse-text-secondary);\n}\n\n\/* --- BP-2: reading kit (low callout) --- *\/\n.bd-post .bp-2-read {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-left: 4px solid var(--accent);\n border-radius: 8px;\n padding: var(--pad-compact);\n display: flex;\n flex-direction: column;\n gap: 8px;\n}\n.bd-post .bp-2-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 16px;\n line-height: 1.4;\n color: var(--heading-ink);\n margin: 0;\n}\n.bd-post .bp-2-ic { display: inline-flex; 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line-height: 1.5; color: var(--inverse-text-secondary); margin: 0 0 4px; }\n.bd-post .bp-cta-end-btn {\n display: inline-flex;\n align-items: center;\n gap: 8px;\n font-family: \"Manrope\", sans-serif;\n font-weight: 600;\n font-size: 16px;\n line-height: 1;\n text-decoration: none;\n border-radius: 6px;\n padding: 12px 20px;\n background: var(--accent-hot);\n color: var(--btn-ink);\n box-sizing: border-box;\n}\n.bd-post .bp-cta-end-btn:hover { background: var(--btn-white); color: var(--btn-ink); }\n.bd-post .bp-cta-end-btn svg { width: 18px; height: 18px; stroke: currentColor; }\n\n\/* --- Rich elements --- *\/\n.bd-post .rich-card {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-radius: 10px;\n padding: var(--pad-standard);\n}\n.bd-post .rich-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 15px;\n line-height: 1.4;\n color: var(--accent-text);\n margin: 0 0 8px;\n}\n.bd-post .rich-chart-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 15px;\n line-height: 1.4;\n color: var(--heading-ink);\n margin: 0 0 8px;\n}\n.bd-post .rich-chart-title .rich-title-ic { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; }\n.bd-post .rich-chart-title .rich-title-ic svg { width: 16px; height: 16px; stroke: var(--accent-text); }\n.bd-post .rich-callout {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-left: 4px solid var(--accent);\n border-radius: 8px;\n padding: var(--pad-compact);\n display: flex;\n align-items: flex-start;\n gap: 12px;\n}\n.bd-post .rich-callout-ic { flex: 0 0 auto; display: inline-flex; margin-top: 1px; }\n.bd-post .rich-callout-ic svg { width: 20px; height: 20px; stroke: var(--accent-text); }\n.bd-post .rich-callout-text { font-size: 15px; line-height: 1.6; color: var(--text-primary); }\n.bd-post .rich-checklist { display: flex; flex-direction: column; gap: 10px; }\n.bd-post .rich-checklist-title {\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 18px;\n line-height: 1.4;\n color: var(--heading-ink);\n margin: 0;\n}\n.bd-post .rich-checklist-title .rich-title-ic { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; }\n.bd-post .rich-checklist-title .rich-title-ic svg { width: 20px; height: 20px; stroke: var(--accent-text); }\n.bd-post .rich-check-item { display: flex; align-items: flex-start; gap: 10px; }\n.bd-post .rich-check-ic { flex: 0 0 auto; display: inline-flex; margin-top: 2px; }\n.bd-post .rich-check-ic svg { width: 18px; height: 18px; stroke: var(--accent-text); }\n.bd-post .rich-check-txt { font-size: 15px; line-height: 1.6; color: var(--text-primary); }\n\n.bd-post .table-wrapper {\n border: 1px solid var(--card-border);\n border-radius: 8px;\n overflow-x: auto;\n margin: 0 0 1em;\n}\n.bd-post .table-wrapper table {\n width: 100%;\n border-collapse: collapse;\n font-size: 15px;\n margin: 0;\n}\n.bd-post .table-wrapper th {\n background: var(--panel-fill);\n color: var(--text-primary);\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 15px;\n text-align: left;\n padding: 12px 16px;\n border-bottom: 1px solid var(--divider);\n}\n.bd-post .table-wrapper td {\n color: var(--text-primary);\n padding: 12px 16px;\n border-bottom: 1px solid var(--divider);\n vertical-align: top;\n}\n.bd-post .table-wrapper tr:last-child td { border-bottom: none; }\n.bd-post .table-wrapper tr:hover td:first-child { color: var(--accent-text); }\n.bd-post .rich-card svg text { fill: var(--text-secondary); }\n.bd-post .rich-card svg text.tl-hi { fill: var(--accent-text); }\n.bd-post .rich-table-wrap { margin: var(--gap-normal) 0; }\n\n\/* --- Sanctioned motion --- *\/\n@media (prefers-reduced-motion: no-preference) {\n @supports (animation-timeline: view()) {\n .bd-post .bd-reveal { animation: bd-fade-in linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }\n @keyframes bd-fade-in { from { opacity: 0; } to { opacity: 1; } }\n }\n .bd-post h2 { transition: color .2s ease-out, transform .2s ease-out; }\n .bd-post h2:hover { color: var(--accent-text); transform: scale(1.02); }\n .bd-post .rich-card { transition: transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .rich-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }\n .bd-post .bp-cta-end-btn { transition: transform .2s ease-out, background-color .2s ease-out, color .2s ease-out; }\n .bd-post .bp-cta-end-btn:hover { transform: translateY(-2px); }\n .bd-post .bd-post-article p a, .bd-post .bd-post-article li a, .bd-post .bd-post-article td a { transition: color .2s ease-out, text-decoration-color .2s ease-out; }\n}\n\n@media (max-width: 768px) {\n .bd-post { padding: 16px; }\n .bd-post h1 { font-size: 24px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n .bd-post .bp-1-stat { font-size: 27px; }\n}\n<\/style>\n\n<article class=\"bd-post-article\">\n\n<p>Hemen hemen her anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n teknik \u00f6zellik belgesini a\u00e7t\u0131\u011f\u0131n\u0131zda, birbiriyle \u00e7eli\u015fiyor gibi g\u00f6r\u00fcnen iki rakamla kar\u015f\u0131la\u015f\u0131rs\u0131n\u0131z. \u0130lki, ilk sayfada yer al\u0131r ve 240 W\u2019t\u0131r. \u0130kincisi ise belgenin sonlar\u0131na do\u011fru gizlenmi\u015f bir tablodur ve bu tablo, 70 \u00b0C\u2019de ayn\u0131 \u00fcnitenin bu de\u011ferin sadece yakla\u015f\u0131k yar\u0131s\u0131 kadar g\u00fc\u00e7 verebilece\u011fini g\u00f6sterir. Her iki rakam da yanl\u0131\u015f de\u011fildir: tip plakas\u0131nda belirtilen de\u011fer sadece <em>ko\u015fullu<\/em>, ve g\u00fc\u00e7 kayna\u011f\u0131n\u0131n y\u00fck azalt\u0131m\u0131, ko\u015fullar zorla\u015ft\u0131\u011f\u0131nda izlenmesi gereken kurallard\u0131r.<\/p>\n\n<h2>G\u00fc\u00e7 Kayna\u011f\u0131 Derating Nedir? Tip Plakas\u0131 Sadece Bir Ba\u015flang\u0131\u00e7t\u0131r<\/h2>\n\n<p>Derating, s\u0131cakl\u0131klar\u0131 ve kullan\u0131m \u00f6m\u00fcrlerini g\u00fcvenli s\u0131n\u0131rlar i\u00e7inde tutmak amac\u0131yla bir bile\u015feni nominal de\u011ferinin alt\u0131nda kas\u0131tl\u0131 olarak \u00e7al\u0131\u015ft\u0131rmak anlam\u0131na gelir. G\u00fc\u00e7 kaynaklar\u0131 i\u00e7in \u00f6nemli olan teknik \u00f6zellik genellikle \u015fu \u015fekilde ifade edilir: <strong>g\u00fc\u00e7 d\u00fc\u015f\u00fcrme e\u011frisi<\/strong>: Cihaz\u0131n a\u015f\u0131r\u0131 \u0131s\u0131nmadan s\u00fcrekli olarak sa\u011flayabilece\u011fi \u00e7\u0131k\u0131\u015f g\u00fcc\u00fcn\u00fc ortam s\u0131cakl\u0131\u011f\u0131yla (ve bazen giri\u015f gerilimi veya rak\u0131mla) ili\u015fkilendiren bir grafik (<a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">PULS<\/a>).<\/p>\n\n<p>Bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n buna neden ihtiyac\u0131 var ki? \u00c7\u00fcnk\u00fc bir anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n verimlili\u011fi 0 % de\u011fildir. Kay\u0131plar, kasan\u0131n i\u00e7inde \u0131s\u0131 olarak ortaya \u00e7\u0131kar ve bu \u0131s\u0131y\u0131 \u00fcreten ve emen bile\u015fenlerin termal s\u0131n\u0131rlar\u0131 vard\u0131r. A\u015f\u0131nan par\u00e7alar, \u00f6zellikle de elektrolitik kondansat\u00f6rler, s\u0131cakl\u0131klar\u0131 y\u00fckseldik\u00e7e daha h\u0131zl\u0131 eskir. Bu nedenle \u00fcretici, bir grafik \u00fczerinde \u015f\u00f6yle bir \u00e7izgi \u00e7izer: <em>Bu ortam s\u0131cakl\u0131\u011f\u0131nda bu kadar g\u00fc\u00e7 g\u00fcvenli bir seviyededir<\/em> (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>).<\/p>\n\n<p>Tipik bir end\u00fcstriyel e\u011fri \u015fu \u015fekildedir: Ortam s\u0131cakl\u0131\u011f\u0131 yakla\u015f\u0131k 50 \u00b0C\u2019ye kadar tam \u00e7\u0131k\u0131\u015f g\u00fcc\u00fc, ard\u0131ndan 70 \u00b0C\u2019de nominal g\u00fcc\u00fcn yakla\u015f\u0131k 50 %\u2019sine kadar do\u011frusal bir d\u00fc\u015f\u00fc\u015f (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>). Diz ve e\u011fimin kesin de\u011ferleri seriye g\u00f6re de\u011fi\u015fiklik g\u00f6sterir ve bu makalenin b\u00fcy\u00fck bir k\u0131sm\u0131 bu farkl\u0131l\u0131klara odaklanmaktad\u0131r.<\/p>\n\n\n<div class=\"rich-card bd-reveal\" role=\"img\" aria-label=\"Tipik s\u0131cakl\u0131k derating e\u011frisi: 50 \u00b0C\u2019ye kadar tam g\u00fc\u00e7, ard\u0131ndan 70 \u00b0C\u2019de do\u011frusal olarak y\u00fczde 50\u2019ye d\u00fc\u015fer\">\n <p class=\"rich-chart-title\">End\u00fcstriyel bir g\u00fc\u00e7 kayna\u011f\u0131na ait tipik s\u0131cakl\u0131k-g\u00fc\u00e7 azaltma e\u011frisi<\/p>\n <svg viewbox=\"0 0 600 260\" width=\"100%\" height=\"auto\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"presentation\">\n <line x1=\"70\" y1=\"20\" x2=\"70\" y2=\"200\" stroke=\"var(--divider)\" stroke-width=\"1\"\/>\n <line x1=\"70\" y1=\"200\" x2=\"530\" y2=\"200\" stroke=\"var(--divider)\" stroke-width=\"1\"\/>\n <line x1=\"70\" y1=\"20\" x2=\"530\" y2=\"20\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <line x1=\"70\" y1=\"72\" x2=\"530\" y2=\"72\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <line x1=\"70\" y1=\"125\" x2=\"530\" y2=\"125\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <line x1=\"346\" y1=\"20\" x2=\"346\" y2=\"200\" stroke=\"var(--divider)\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/>\n <polyline points=\"70,20 346,20 438,72 530,125\" fill=\"none\" stroke=\"var(--accent-text)\" stroke-width=\"3\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\/>\n <circle cx=\"438\" cy=\"72\" r=\"4.5\" fill=\"var(--accent-text)\"\/>\n <text x=\"58\" y=\"24\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"end\">100 %<\/text>\n <text x=\"58\" y=\"76\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"end\">75 %<\/text>\n <text x=\"58\" y=\"129\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"end\">50 %<\/text>\n <text x=\"70\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">20 \u00b0C<\/text>\n <text x=\"346\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">50 \u00b0C<\/text>\n <text x=\"438\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" fill=\"var(--accent-text)\" text-anchor=\"middle\">60 \u00b0C<\/text>\n <text x=\"530\" y=\"218\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">70 \u00b0C<\/text>\n <text x=\"300\" y=\"250\" font-family=\"Manrope, sans-serif\" font-size=\"12\" text-anchor=\"middle\">Ortam s\u0131cakl\u0131\u011f\u0131<\/text>\n <\/svg>\n<\/div>\n\n<p>Devam etmeden \u00f6nce bir a\u00e7\u0131klama: \u201cderating\u201d terimi, kablo ak\u0131m ta\u015f\u0131ma kapasitesi (NEC s\u0131cakl\u0131k d\u00fczeltme tablolar\u0131) ve g\u00fcne\u015f enerjisi invert\u00f6rlerinin \u00e7\u0131k\u0131\u015f s\u0131n\u0131rlamas\u0131 i\u00e7in de kullan\u0131l\u0131r. Bu makale yaln\u0131zca g\u00fc\u00e7 kayna\u011f\u0131n\u0131n kendi e\u011frisini ele almaktad\u0131r: dolab\u0131n\u0131zdaki 24 V DIN ray\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n ger\u00e7ekte ne kadar ak\u0131m sa\u011flayabilece\u011fini belirleyen e\u011fri.<\/p>\n\n<h2>Bir G\u00fc\u00e7 Kayna\u011f\u0131n\u0131n Nominal De\u011ferinin D\u00fc\u015f\u00fcr\u00fclmesine Neden Olan Be\u015f Ko\u015ful<\/h2>\n\n<p>S\u0131cakl\u0131k en \u00f6nemli tetikleyici fakt\u00f6rd\u00fcr, ancak tek fakt\u00f6r de\u011fildir. A\u015fa\u011f\u0131daki be\u015f ko\u015fullardan herhangi biri, mevcut \u00e7\u0131k\u0131\u015f\u0131 tip plakas\u0131nda belirtilen de\u011ferin alt\u0131na d\u00fc\u015f\u00fcrebilir:<\/p>\n\n<ol>\n<li><strong>Ortam s\u0131cakl\u0131\u011f\u0131 (en \u00f6nemlisi).<\/strong> Tam y\u00fck s\u0131cakl\u0131\u011f\u0131n\u0131n \u00fczerinde (genellikle 50 \u00b0C), \u00e7\u0131k\u0131\u015f g\u00fcc\u00fc e\u011fri boyunca d\u00fc\u015fer. S\u0131zd\u0131rmaz veya g\u00fcne\u015fe maruz kalan bir muhafaza i\u00e7inde, besleme kayna\u011f\u0131n\u0131n \u00e7evresindeki hava, oda s\u0131cakl\u0131\u011f\u0131n\u0131n 10\u201315 \u00b0C \u00fczerinde kalabilir.<\/li>\n<li><strong>Giri\u015f gerilimi d\u00fc\u015f\u00fck.<\/strong> Giri\u015f aral\u0131\u011f\u0131n\u0131n alt s\u0131n\u0131r\u0131na yak\u0131n bir noktada, evrensel giri\u015fli \u00fcnitelerde yakla\u015f\u0131k 90 VAC seviyesinde, besleme kayna\u011f\u0131 ayn\u0131 g\u00fcc\u00fc sa\u011flamak i\u00e7in daha fazla ak\u0131m \u00e7eker ve giri\u015f filtresi, k\u00f6pr\u00fc redres\u00f6r\u00fc ile PFC kademesi daha fazla \u0131s\u0131n\u0131r. Baz\u0131 \u00fcniteler 90 VAC'de nominal \u00e7\u0131k\u0131\u015f\u0131n ~80 % seviyesine d\u00fc\u015fer (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>).<\/li>\n<li><strong>2.000 m'nin \u00fczerindeki rak\u0131m.<\/strong> Hava ne kadar seyrek olursa, so\u011futma o kadar az etkili olur. 2.000 m\u2019nin \u00fczerinde, \u00e7o\u011fu \u00fcretici g\u00fc\u00e7 derecesinin d\u00fc\u015f\u00fcr\u00fclmesini \u015fart ko\u015far (maksimum yakla\u015f\u0131k 5.000 m\u2019ye kadar) (<a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">PULS<\/a>).<\/li>\n<li><strong>Montaj y\u00f6n\u00fc.<\/strong> Konveksiyonla so\u011futulan cihazlar, s\u0131cak havan\u0131n kasa havaland\u0131rma deliklerinden yukar\u0131 do\u011fru y\u00fckselmesine dayan\u0131r. Cihaz\u0131, \u00fcreticinin \u00f6ng\u00f6rmedi\u011fi bir y\u00f6nde, yani dik yerine yatay olarak ve havaland\u0131rma delikleri t\u0131kal\u0131 \u015fekilde kurarsan\u0131z, so\u011futma i\u015flemi bozulur. Evrensel bir dezavantaj fakt\u00f6r\u00fc yoktur; her cihaz\u0131n kendine \u00f6zg\u00fc y\u00f6nlendirme talimatlar\u0131 vard\u0131r.<\/li>\n<li><strong>So\u011fuk \u00e7al\u0131\u015ft\u0131rma.<\/strong> Baz\u0131 g\u00fc\u00e7 kaynaklar\u0131, \u221220 \u00b0C civar\u0131nda d\u00fc\u015f\u00fck s\u0131cakl\u0131kta da g\u00fc\u00e7 \u00e7\u0131k\u0131\u015f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr; b\u00f6ylece sistem sorunsuz ve aksakl\u0131k olmadan \u00e7al\u0131\u015fmaya ba\u015flar. Is\u0131nd\u0131ktan sonra ise tam g\u00fc\u00e7 tekrar kullan\u0131labilir hale gelir (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>).<\/li>\n<\/ol>\n\n\n<div class=\"rich-table-wrap\">\n <p class=\"rich-title\">Be\u015f derating tetikleyicisine genel bak\u0131\u015f<\/p>\n <div class=\"table-wrapper\">\n <table>\n <thead>\n <tr><th>Tetikleyici<\/th><th>Tipik e\u015fik de\u011feri<\/th><th>Tipik b\u00fcy\u00fckl\u00fck<\/th><th>Yapabilece\u011finiz ad\u0131mlar<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Ortam s\u0131cakl\u0131\u011f\u0131 (en yayg\u0131n olan\u0131)<\/td><td>50 \u00b0C (tipik tam y\u00fck noktas\u0131)<\/td><td>70 \u00b0C\u2019de ~50 % de\u011ferine do\u011frusal olarak d\u00fc\u015fer<\/td><td>Dolab\u0131n yaz aylar\u0131nda ula\u015fabilece\u011fi en y\u00fcksek s\u0131cakl\u0131\u011fa g\u00f6re boyutland\u0131rma<\/td><\/tr>\n <tr><td>D\u00fc\u015f\u00fck giri\u015f gerilimi<\/td><td>Evrensel giri\u015fli cihazlarda ~90 VAC<\/td><td>~80 % nominal \u00e7\u0131k\u0131\u015f g\u00fcc\u00fc<\/td><td>Nominal gerilimi de\u011fil, ger\u00e7ek hat gerilimini kontrol edin<\/td><\/tr>\n <tr><td>Y\u00fckseklik<\/td><td>2.000 m'nin \u00fczerinde<\/td><td>G\u00fc\u00e7 azalt\u0131m\u0131 gereklidir; maksimum ~5.000 m\u2019ye kadar<\/td><td>Y\u00fcksek rak\u0131ml\u0131 bir kurulumdan \u00f6nce, rak\u0131m\u0131 \u00fcreticinin e\u011frisi ile teyit edin<\/td><\/tr>\n <tr><td>Montaj y\u00f6n\u00fc<\/td><td>Veri sayfas\u0131ndaki \u00f6ng\u00f6r\u00fclen konumdan farkl\u0131d\u0131r<\/td><td>Evrensel bir say\u0131 yoktur \u2014 birime \u00f6zeldir<\/td><td>Kurulum k\u0131lavuzundaki y\u00f6nlendirme \u015femas\u0131n\u0131 izleyin<\/td><\/tr>\n <tr><td>D\u00fc\u015f\u00fck s\u0131cakl\u0131kta \u00e7al\u0131\u015ft\u0131rma<\/td><td>~\u221220 \u00b0C aral\u0131\u011f\u0131<\/td><td>Baz\u0131 \u00fcniteler \u0131s\u0131nana kadar g\u00fc\u00e7lerini d\u00fc\u015f\u00fcr\u00fcr<\/td><td>Is\u0131tmas\u0131z tesislerde tam y\u00fcke ge\u00e7meden \u00f6nce \u0131s\u0131nma s\u00fcresine izin verin<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<h2>Is\u0131nan Muhafaza \u0130\u00e7in Derating E\u011frisini Okuma ve G\u00fc\u00e7 Kayna\u011f\u0131n\u0131 Boyutland\u0131rma<\/h2>\n\n<p>Bu, \u00e7o\u011fu k\u0131lavuzun atlad\u0131\u011f\u0131 b\u00f6l\u00fcmd\u00fcr ve sizi her A\u011fustos ay\u0131nda elektrik kesintisi ya\u015fayan bir dolaptan kurtaracak olan da budur. \u00dc\u00e7 ad\u0131m.<\/p>\n\n<p><strong>1. Ad\u0131m: E\u011friyi bulun.<\/strong> Tam g\u00fc\u00e7 d\u00fc\u015f\u00fcrme verileri neredeyse her zaman veri sayfas\u0131n\u0131n sonunda yer al\u0131r; pazarlama \u00f6zetinde veya k\u0131sa katalog sayfas\u0131nda de\u011fil (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Bir tedarik\u00e7i size yaln\u0131zca tek sayfal\u0131k bir katalog \u00f6zeti g\u00f6nderirse, e\u011fri ve dolay\u0131s\u0131yla ger\u00e7ek derecelendirme eksik kal\u0131r.<\/p>\n\n\n<div class=\"bp-2-read bd-reveal\">\n <p class=\"bp-2-title\"><span class=\"bp-2-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"var(--accent-text)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M3 7V5a2 2 0 0 1 2-2h2\"\/><path d=\"M17 3h2a2 2 0 0 1 2 2v2\"\/><path d=\"M21 17v2a2 2 0 0 1-2 2h-2\"\/><path d=\"M7 21H5a2 2 0 0 1-2-2v-2\"\/><line x1=\"7\" x2=\"17\" y1=\"12\" y2=\"12\"\/><\/svg><\/span>E\u011friden \u00fc\u00e7 noktay\u0131 okuyun<\/p>\n <div class=\"bp-2-row\"><span class=\"bp-2-ic-row\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M4 15s1-1 4-1 5 2 8 2 4-1 4-1V3s-1 1-4 1-5-2-8-2-4 1-4 1z\"\/><line x1=\"4\" x2=\"4\" y1=\"22\" y2=\"15\"\/><\/svg><\/span><span class=\"bp-2-txt\"><strong>Plato sonu<\/strong> \u2014 tam y\u00fck\u00fcn art\u0131k yasal olmad\u0131\u011f\u0131 yer<\/span><\/div>\n <div class=\"bp-2-row\"><span class=\"bp-2-ic-row\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><polyline points=\"22 17 13.5 8.5 8.5 13.5 2 7\"\/><polyline points=\"16 17 22 17 22 11\"\/><\/svg><\/span><span class=\"bp-2-txt\"><strong>E\u011fim<\/strong> \u2014 dizden sonraki her derece ba\u015f\u0131na kaybedilen g\u00fc\u00e7<\/span><\/div>\n <div class=\"bp-2-row\"><span class=\"bp-2-ic-row\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8.5 14.5A2.5 2.5 0 0 0 11 12c0-1.38-.5-2-1-3-1.072-2.143-.224-4.054 2-6 .5 2.5 2 4.9 4 6.5 2 1.6 3 3.5 3 5.5a7 7 0 1 1-14 0c0-1.153.433-2.294 1-3a2.5 2.5 0 0 0 2.5 2.5z\"\/><\/svg><\/span><span class=\"bp-2-txt\"><strong>Art\u0131k<\/strong> \u2014 maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131nda geriye kalan miktar<\/span><\/div>\n<\/div>\n\n<p><strong>2. Ad\u0131m: \u00c7arp\u0131n, toplama yapmay\u0131n.<\/strong> \u0130ki ko\u015ful bir araya geldi\u011finde (\u00f6rne\u011fin, y\u00fcksek s\u0131cakl\u0131k art\u0131 d\u00fc\u015f\u00fck giri\u015f gerilimi), g\u00fc\u00e7 d\u00fc\u015f\u00fcrme fakt\u00f6rleri toplanmak yerine \u00e7arp\u0131l\u0131r. 85 VAC\u2019de 90 % ve 70 \u00b0C\u2019de 50 % sa\u011flayan bir g\u00fc\u00e7 kayna\u011f\u0131, her iki ko\u015fulun ayn\u0131 anda meydana gelmesi durumunda 0,9 \u00d7 0,5 = 45 % sa\u011flar. TDK-Lambda klasik bir \u00f6rnek vermektedir: bu ko\u015fullar\u0131n bir arada oldu\u011fu durumlarda 150 W'l\u0131k bir g\u00fc\u00e7 kayna\u011f\u0131 yaln\u0131zca yakla\u015f\u0131k 67,5 W'l\u0131k bir g\u00fc\u00e7 sa\u011flayabilir (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>).<\/p>\n\n<p>Bunu ger\u00e7ek bir kabin \u00fczerinde deneyin. 24 V, 240 W\u2019l\u0131k bir DIN ray\u0131 \u00fcnitesi (10 A), yaz \u00f6\u011fleden sonralar\u0131 60 \u00b0C\u2019ye ula\u015fan bir muhafaza i\u00e7inde yer almaktad\u0131r. Tipik e\u011friye g\u00f6re, 50 \u00b0C'de tam g\u00fc\u00e7 ve 70 \u00b0C'de yar\u0131m g\u00fc\u00e7 olarak hesapland\u0131\u011f\u0131nda, \u00fcnite 60 \u00b0C'de yakla\u015f\u0131k 75 % de\u011ferine uygundur: kabaca 180 W veya 7,5 A. Y\u00fck\u00fcn\u00fcz s\u00fcrekli olarak 8 A \u00e7ekiyorsa, 240 W isim plakas\u0131 o kabin i\u00e7inde bir kurgudan ibarettir. Bir \u00fcst g\u00fc\u00e7 s\u0131n\u0131f\u0131na ihtiyac\u0131n\u0131z vard\u0131r; bu s\u0131n\u0131fta 75 %'de \u00e7al\u0131\u015fan 480 W'l\u0131k bir \u00fcnite, 15 A'l\u0131k bir marj veya ger\u00e7ek bir havaland\u0131rma kapasitesi b\u0131rak\u0131r.<\/p>\n\n\n<div class=\"rich-callout bd-reveal\">\n <span class=\"rich-callout-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M15 14c.2-1 .7-1.7 1.5-2.5 1-.9 1.5-2.2 1.5-3.5A6 6 0 0 0 6 8c0 1 .2 2.2 1.5 3.5.7.7 1.3 1.5 1.5 2.5\"\/><path d=\"M9 18h6\"\/><path d=\"M10 22h4\"\/><\/svg><\/span>\n <div class=\"rich-callout-text\">Uygulama \u00f6rne\u011fi \u2014 60 \u00b0C\u2019lik bir kabin i\u00e7indeki 24 V, 240 W g\u00fc\u00e7 kayna\u011f\u0131: tip plakas\u0131nda 10 A \u2192 ~7,5 A\u2019ya d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f (tipik e\u011fride 60 \u00b0C\u2019de 75 %). 8 A\u2019l\u0131k bir y\u00fck, tip plakas\u0131na uysa da e\u011friye g\u00f6re yetersiz kal\u0131r. Boyutu belirlerken daima en k\u00f6t\u00fc durum s\u0131cakl\u0131\u011f\u0131ndaki e\u011friyi esas al\u0131n, ilk sayfadaki de\u011ferleri de\u011fil.<\/div>\n<\/div>\n\n<p><strong>3. Ad\u0131m: Kayna\u011f\u0131 su\u00e7lamadan \u00f6nce kurulumu kontrol edin.<\/strong> Y\u00f6nlendirme ve hava ak\u0131\u015f\u0131 bu de\u011feri yeniden de\u011fi\u015ftirir. Zorunlu hava ak\u0131\u015f\u0131 \u00e7arp\u0131c\u0131 bir fark yarat\u0131r: 550 W\u2019l\u0131k bir kapal\u0131 besleme \u00fcnitesi, konveksiyonla so\u011futuldu\u011funda 230 W, iletimle so\u011futuldu\u011funda 450 W g\u00fc\u00e7 verir; ancak tam 550 W\u2019l\u0131k g\u00fcc\u00fc yaln\u0131zca bir fan varken sa\u011flayabilir (<a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">DigiKey forumu<\/a>). Kontrol paneli imalat\u0131 alan\u0131nda, herhangi bir teknik veriden \u00e7ok daha kaba genel kurallar dola\u015fmaktad\u0131r: \u201cBesleme kablosunu d\u00fcz bir \u015fekilde d\u00f6\u015ferseniz 50 % derating oldu\u011funu varsay\u0131n\u201d ifadesi, kontrol paneli forumlar\u0131nda ger\u00e7ek bir halk bilgisi haline gelmi\u015ftir (<a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1cj8w5b\/dont_mount_heat_producing_components_on_vertical\/\" target=\"_blank\" rel=\"noopener\">r\/PLC<\/a>, <a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1lhyju8\/anyone_else_do_this\/\" target=\"_blank\" rel=\"noopener\">r\/PLC<\/a>). Bunun ard\u0131ndaki mant\u0131k do\u011frudur, zira konveksiyonla so\u011futulan \u00fcniteler i\u00e7in y\u00f6nlendirme ger\u00e7ekten \u00f6nemlidir; ancak 50 % rakam\u0131 bir fizik kanunu de\u011fildir. Y\u00f6nlendirme tablosunu okuyun: <em>senin<\/em> birim.<\/p>\n\n<p>Bilmeniz gereken bir \u015fey daha var: Bir g\u00fc\u00e7 kayna\u011f\u0131, y\u00fck\u00fc kibar bir \u015fekilde azaltmaz. E\u011frinin izin verdi\u011finden daha fazla y\u00fck \u00e7ekerseniz, \u00e7o\u011fu \u00fcnite basit\u00e7e daha fazla \u0131s\u0131n\u0131r ve daha h\u0131zl\u0131 eskir; uzun s\u00fcreli a\u015f\u0131r\u0131 y\u00fck, termal kapatma veya koruyucu ge\u00e7ici durma moduyla sonu\u00e7lan\u0131r (<a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">PULS<\/a>). K\u0131sa geziler genellikle sorun yaratmaz. Uzun geziler ise kondansat\u00f6rlerin erken bozulmas\u0131na neden olur.<\/p>\n\n<h2>Neden \u0130ki \u201c100 W\u201d G\u00fc\u00e7 Kayna\u011f\u0131 Ayn\u0131 S\u0131cakl\u0131kta Farkl\u0131 G\u00fc\u00e7 Sa\u011fl\u0131yor?<\/h2>\n\n<p>\u0130\u015fte, fark edene kadar bir tuzak gibi g\u00f6r\u00fcnen k\u0131s\u0131m \u015fudur: isim plakas\u0131nda ayn\u0131 watt de\u011feri belirtilen iki g\u00fc\u00e7 kayna\u011f\u0131, farkl\u0131 s\u0131cakl\u0131klarda ba\u015flayan derating e\u011frilerine sahip olabilir ve belirli bir ortam s\u0131cakl\u0131\u011f\u0131nda \u00e7ok farkl\u0131 g\u00fc\u00e7 de\u011ferleri sa\u011flayabilir. E\u011fri bir <em>tasar\u0131m tercihi<\/em>, ve bunu nas\u0131l okuyaca\u011f\u0131n\u0131z\u0131 bilmek, asl\u0131nda hangi \u201c100 W\u201d \u00fcr\u00fcn\u00fcn\u00fc sat\u0131n ald\u0131\u011f\u0131n\u0131z\u0131 anlaman\u0131z\u0131 sa\u011flar.<\/p>\n\n <img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/09\/Power-Supply-Derating.webp\" style=\"width: 512px; height: 384px; max-width: 100%; object-fit: cover; border-radius: 12px; margin: 30px auto; display: block; box-shadow: 10px 10px 60px 0px rgba(210, 221, 224, 0.35); transition: all 0.3s ease; cursor: pointer;\" onmouseover=\"this.style.transform='translateY(-5px) scale(1.03)'; this.style.boxShadow='15px 25px 80px 0px rgba(210, 221, 224, 0.45)'\" onmouseout=\"this.style.transform='translateY(0) scale(1)'; this.style.boxShadow='10px 10px 60px 0px rgba(210, 221, 224, 0.35)'\"> \n\n<h3>Dik bir e\u011fri, bir tasar\u0131m \u00f6d\u00fcnle\u015fimidir; bir kusur de\u011fildir<\/h3>\n\n<p>E\u011frinin \u015fekli \u00fc\u00e7 fakt\u00f6re ba\u011fl\u0131d\u0131r: so\u011futma mimarisi (konveksiyon, taban plakas\u0131 \u00fczerinden \u0131s\u0131 iletimi veya zorlamal\u0131 hava so\u011futma), elektrolitik kondansat\u00f6rlerin kullan\u0131m \u00f6mr\u00fc b\u00fct\u00e7esi ve \u00fcr\u00fcn\u00fcn boyut ve maliyet hedefleri. \u00dcreticiler g\u00fc\u00e7 yo\u011funlu\u011funu s\u00fcrekli art\u0131rmaya devam ediyor. XP Power, giderek artan say\u0131da AC-DC g\u00fc\u00e7 kayna\u011f\u0131n\u0131n, nominal de\u011ferlerini iyile\u015ftirmek i\u00e7in g\u00fc\u00e7 d\u00fc\u015f\u00fcrme spesifikasyonlar\u0131na dayand\u0131\u011f\u0131n\u0131 a\u00e7\u0131k\u00e7a belirtiyor (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Ba\u015fka bir deyi\u015fle: Man\u015fetin g\u00f6ze \u00e7arpan k\u0131sm\u0131 daha da b\u00fcy\u00fcrken, k\u00fc\u00e7\u00fck yaz\u0131lar ve e\u011fri sessizce daha \u00f6ne kayar.<\/p>\n\n<p>\u0130ki ger\u00e7ek e\u011fri ailesini kar\u015f\u0131la\u015ft\u0131r\u0131n. Geleneksel tasar\u0131mda, 50 \u00b0C\u2019ye kadar tam g\u00fc\u00e7 verilir; 70 \u00b0C\u2019de ise g\u00fc\u00e7 50 %\u2019ye d\u00fc\u015fer (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>). Baz\u0131 yeni a\u00e7\u0131k \u00e7er\u00e7eveli ve y\u00fcksek yo\u011funluklu \u00fcniteler, tam y\u00fck noktas\u0131n\u0131 40 \u00b0C\u2019ye indirir ve 60 \u00b0C\u2019de 50 % de\u011ferine ula\u015f\u0131r (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Ayn\u0131 tip plakas\u0131 var, ama tamamen farkl\u0131 bir makine.<\/p>\n\n<h3>E\u011frinin arkas\u0131nda bir \u00f6m\u00fcr boyu s\u00fcren bir kay\u0131t defteri yat\u0131yor<\/h3>\n\n<p>Bunun \u00f6nemi \u015fudur: Bu e\u011fri b\u00fcrokrasi de\u011fil, \u00f6m\u00fcr boyu bir s\u00f6zle\u015fmedir. Elektrolitik kondansat\u00f6rler, bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n i\u00e7indeki esasen tek a\u015f\u0131nan bile\u015fendir ve \u00f6m\u00fcrleri, Arrhenius kural\u0131n\u0131n bir varyasyonuna g\u00f6re belirlenir: Bile\u015fenin s\u0131cakl\u0131\u011f\u0131n\u0131 her 10 \u00b0C d\u00fc\u015f\u00fcrd\u00fc\u011f\u00fcn\u00fczde, beklenen \u00f6m\u00fcr kabaca iki kat\u0131na \u00e7\u0131kar (<a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">TDK-Lambda<\/a>). DigiKey\u2019in uygulama m\u00fchendisleri bu \u00f6rne\u011fi ters y\u00f6nden ele al\u0131rlar: 125 \u00b0C\u2019de 2.000 saatlik bir kullan\u0131m \u00f6mr\u00fcne sahip bir kondansat\u00f6r, s\u0131cakl\u0131\u011f\u0131 55 \u00b0C civar\u0131nda tutulursa on y\u0131llarca kullan\u0131m \u00f6mr\u00fcne kar\u015f\u0131l\u0131k gelir (<a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">DigiKey forumu<\/a>). G\u00fc\u00e7 d\u00fc\u015f\u00fcrme e\u011frisinin \u00f6tesinde s\u00fcrekli olarak \u00e7al\u0131\u015ft\u0131r\u0131rsan\u0131z, \u201cbedavaya ekstra g\u00fc\u00e7 elde etmi\u015f\u201d olmazs\u0131n\u0131z: bu g\u00fc\u00e7 fazlas\u0131n\u0131 feda edersiniz ve yal\u0131t\u0131m bariyerinin termal marj\u0131n\u0131 t\u00fcketmi\u015f olursunuz (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>).<\/p>\n\n<h3>Agresif bir e\u011friye bir fiyat bi\u00e7mek<\/h3>\n\n<p>Peki, iki \u201c100 W\u201d cihaz\u0131n\u0131 nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131rs\u0131n\u0131z? 40 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda, 50 \u00b0C\u2019de tepe noktas\u0131na ula\u015fan cihaz tam 100 W g\u00fc\u00e7 verir. 40 \u00b0C\u2019de tepe noktas\u0131na ula\u015fan cihaz ise halihaz\u0131rda e\u011fim \u00fczerindedir ve yukar\u0131daki grafikte de g\u00f6r\u00fcld\u00fc\u011f\u00fc \u00fczere pratikte ~75 W\u2019l\u0131k bir \u00fcr\u00fcnd\u00fcr (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Bu, ayn\u0131 watt de\u011ferinde sat\u0131lan iki \u00fcr\u00fcn aras\u0131nda kullan\u0131labilir g\u00fc\u00e7 a\u00e7\u0131s\u0131ndan kabaca 25 %'lik bir fark anlam\u0131na gelir ve bu fark, kabinin \u0131s\u0131nmas\u0131yla birlikte artar (a\u015fa\u011f\u0131daki tabloya bak\u0131n\u0131z).<\/p>\n\n\n<div class=\"rich-table-wrap\">\n <p class=\"rich-title\">\u201c100 W\u201d tipi etiketini okumak: \u00fc\u00e7 ortamda iki farkl\u0131 e\u011fri karakteri<\/p>\n <div class=\"table-wrapper\">\n <table>\n <thead>\n <tr><th>E\u011fri ki\u015filik<\/th><th>Tam y\u00fck noktas\u0131<\/th><th>40 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda<\/th><th>60 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Tipik (50 \u00b0C\u2019ye kadar tam y\u00fck, ard\u0131ndan 70 \u00b0C\u2019de 50 %)<\/td><td>50 \u00b0C<\/td><td>100 W<\/td><td>~75 W<\/td><\/tr>\n <tr><td>Agresif (40 \u00b0C\u2019ye kadar tam, ard\u0131ndan 60 \u00b0C\u2019de 50 %)<\/td><td>40 \u00b0C<\/td><td>~75 W<\/td><td>~50 W<\/td><\/tr>\n <tr><td>Konservatif (50 \u00b0C ve \u00fczeri, zorlamal\u0131 havaland\u0131rma se\u00e7ene\u011fi)<\/td><td>50 \u00b0C veya daha y\u00fcksek<\/td><td>100 W<\/td><td>So\u011futmaya ba\u011fl\u0131 \u2014 fan kullan\u0131ld\u0131\u011f\u0131nda 100 W'l\u0131k y\u00fck\u00fc ta\u015f\u0131yabilir<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n\n<div class=\"bp-1-hook bd-reveal\">\n <div class=\"bp-1-stat\">25 %<\/div>\n <div class=\"bp-1-ttl\">Ayn\u0131 tip etiketi. Ayn\u0131 makine de\u011fil.<\/div>\n <div class=\"bp-1-sub\">Biri 50 \u00b0C\u2019de, di\u011feri 40 \u00b0C\u2019de tam y\u00fck de\u011ferine sahip iki adet \u201c100 W\u201d g\u00fc\u00e7 kayna\u011f\u0131, 40 \u00b0C ortam s\u0131cakl\u0131\u011f\u0131nda ~25 % kullan\u0131labilir g\u00fc\u00e7 a\u00e7\u0131s\u0131ndan farkl\u0131l\u0131k g\u00f6sterir \u2014 ve kabin \u0131s\u0131nd\u0131k\u00e7a bu fark daha da artar.<\/div>\n<\/div>\n\n<h2>G\u00fc\u00e7 Kaynaklar\u0131n\u0131, Nominal Watt De\u011feri De\u011fil, Kullan\u0131labilir Ak\u0131m De\u011feriye G\u00f6re Kar\u015f\u0131la\u015ft\u0131r\u0131n<\/h2>\n\n<p>G\u00fc\u00e7 kaynaklar\u0131 tedarik ediyor, stokluyorsunuz veya sat\u0131yorsan\u0131z, bu konudaki pratik kural k\u0131sad\u0131r: <strong>Kar\u015f\u0131la\u015ft\u0131rma, nominal watt de\u011ferine g\u00f6re de\u011fil, kullan\u0131m s\u0131cakl\u0131\u011f\u0131ndaki kullan\u0131labilir ak\u0131ma g\u00f6re yap\u0131lmal\u0131d\u0131r.<\/strong> 50 \u00b0C\u2019ye kadar tam y\u00fckte \u00e7al\u0131\u015fan bir \u201c240 W\u201d \u00fcnitesi ile 40 \u00b0C\u2019de performans kayb\u0131na ba\u015flayan bir \u201c240 W\u201d \u00fcnitesi, ayn\u0131 etikete sahip farkl\u0131 \u00fcr\u00fcnlerdir ve sadece \u00f6n sayfalar\u0131 kar\u015f\u0131la\u015ft\u0131ran al\u0131c\u0131, sahada ar\u0131za ya\u015fayan ki\u015fi olur.<\/p>\n\n<p>\u00dc\u00e7 kontrol, bu kural\u0131 bir al\u0131\u015fkanl\u0131\u011fa d\u00f6n\u00fc\u015ft\u00fcr\u00fcr:<\/p>\n\n<ol>\n<li><strong>Her zaman eksiksiz teknik veri sayfas\u0131n\u0131 isteyin.<\/strong> Azaltma e\u011frisi, tam veri sayfas\u0131n\u0131n son sayfas\u0131nda yer al\u0131r; katalog \u00f6zetleri ve k\u0131sa form sayfalar\u0131nda ise genellikle bu e\u011fri yer almaz (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). E\u011fri sayfas\u0131n\u0131 sunamayan ya da sunmak istemeyen bir tedarik\u00e7i, sizden \u201cg\u00fcvenerek\u201d sat\u0131n alman\u0131z\u0131 istiyor. S\u0131cak dolap uygulamas\u0131nda bu \u201cg\u00fcven\u201d A\u011fustos ay\u0131 civar\u0131nda sars\u0131l\u0131r.<\/li>\n<li><strong>\u00dc\u00e7 maddeyi okuyun.<\/strong> Plato sonu, e\u011fim, maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131ndaki kal\u0131nt\u0131 de\u011fer. Bu \u00fc\u00e7 rakam, watt de\u011ferinden daha fazla bilgi verir.<\/li>\n<li><strong>Fiyat teklifi vermeden veya sipari\u015f vermeden \u00f6nce uygulamadaki hesaplamalar\u0131 yap\u0131n.<\/strong> M\u00fc\u015fterinin en k\u00f6t\u00fc senaryoya ait kabin s\u0131cakl\u0131\u011f\u0131n\u0131 ve s\u00fcrekli y\u00fck ak\u0131m\u0131n\u0131 al\u0131n, bunlar\u0131 aday \u00fcr\u00fcn\u00fcn e\u011frisi \u00fczerinde takip edin ve d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f de\u011ferin y\u00fck\u00fc kar\u015f\u0131lad\u0131\u011f\u0131n\u0131 do\u011frulay\u0131n. Yedek kapasite b\u0131rak\u0131n; \u00e7\u00fcnk\u00fc toz birikimi ve hava ak\u0131\u015f\u0131n\u0131n t\u0131kanmas\u0131, ekipman\u0131n kullan\u0131m \u00f6mr\u00fc boyunca so\u011futma performans\u0131n\u0131 fark edilmeden d\u00fc\u015f\u00fcr\u00fcr (<a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">DigiKey forumu<\/a>).<\/li>\n<\/ol>\n\n\n<div class=\"rich-card rich-checklist bd-reveal\">\n <p class=\"rich-checklist-title\"><span class=\"rich-title-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m3 17 2 2 4-4\"\/><path d=\"m3 7 2 2 4-4\"\/><path d=\"M13 6h8\"\/><path d=\"M13 12h8\"\/><path d=\"M13 18h8\"\/><\/svg><\/span>Se\u00e7im kontrol listesi<\/p>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">Tam teknik veri sayfas\u0131 elde edildi (g\u00fc\u00e7 d\u00fc\u015f\u00fcrme e\u011frisi sayfas\u0131 dahil)<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">Tam y\u00fckte plato noktas\u0131 kaydedildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">E\u011fim ve 70 \u00b0C\u2019lik kal\u0131nt\u0131 de\u011feri kaydedildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">En k\u00f6t\u00fc durum senaryosuna g\u00f6re dolap s\u0131cakl\u0131\u011f\u0131 m\u00fc\u015fteri ile teyit edildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">S\u00fcrekli y\u00fck ak\u0131m\u0131, d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f de\u011ferle kar\u015f\u0131la\u015ft\u0131r\u0131larak kontrol edildi<\/span><\/div>\n <div class=\"rich-check-item\"><span class=\"rich-check-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg><\/span><span class=\"rich-check-txt\">Uygulama, s\u0131zd\u0131rmaz veya g\u00fcne\u015fe maruz kalan bir muhafaza ise g\u00fc\u00e7 s\u0131n\u0131f\u0131 bir kademe y\u00fckseltilir<\/span><\/div>\n<\/div>\n\n<p>Bir beden b\u00fcy\u00fc\u011f\u00fcne ge\u00e7mek ne zaman yanl\u0131\u015f olur? Ortam\u0131n ger\u00e7ekten kontroll\u00fc oldu\u011fu durumlarda: kabinin s\u0131cakl\u0131\u011f\u0131n\u0131n asla 50 \u00b0C\u2019ye ula\u015fmad\u0131\u011f\u0131 klimal\u0131 bir elektrik odas\u0131 ya da y\u00fck\u00fcn zaten nominal de\u011ferinin \u00e7ok alt\u0131nda kald\u0131\u011f\u0131 durumlarda. Buradaki ama\u00e7, kar\u015f\u0131layabilece\u011finiz en b\u00fcy\u00fck etiketi de\u011fil, ihtiyac\u0131n\u0131z olan performans e\u011frisini elde etmektir.<\/p>\n\n<h2>Derating, Distrib\u00fct\u00f6rler ve Sat\u0131c\u0131lar \u0130\u00e7in Ne Anlama Geliyor?<\/h2>\n\n<p>Da\u011f\u0131t\u0131c\u0131lar, en iyi durumda teknik \u00f6zellikler tablosunda vaat edilenleri de\u011fil, en k\u00f6t\u00fc durumda m\u00fc\u015fterilerinin ihtiya\u00e7 duydu\u011fu \u00fcr\u00fcnleri satarlar. Derating, bu iki durumun birbirinden ayr\u0131ld\u0131\u011f\u0131 noktad\u0131r ve yukar\u0131da belirtilen her bir hususun ticari bir sonucu vard\u0131r.<\/p>\n\n<p>\u0130lk olarak, m\u00fc\u015fterilerinizin ya\u015fad\u0131\u011f\u0131 ar\u0131zalar tam da e\u011frinin keskin bir d\u00f6n\u00fc\u015f yapt\u0131\u011f\u0131 noktada yo\u011funla\u015f\u0131r. \u00d6n sayfada belirtilen boyutlara g\u00f6re s\u0131zd\u0131rmaz bir kabine g\u00fc\u00e7 kayna\u011f\u0131 kablolamas\u0131 yapan bir tamir at\u00f6lyesi veya panel \u00fcreticisi, s\u0131cak havalarda g\u00fc\u00e7 yetersizli\u011fi belirtileriyle kar\u015f\u0131la\u015facakt\u0131r: voltaj d\u00fc\u015f\u00fc\u015fleri, yeniden ba\u015flatmalar, erken ar\u0131zalar. Bu durum, iade, servis \u00e7a\u011fr\u0131s\u0131 ve kaybedilen bir yeniden sat\u0131\u015f anlam\u0131na gelir; bunlar\u0131n t\u00fcm\u00fc, e\u011frinin \u00f6ng\u00f6rd\u00fc\u011f\u00fc s\u0131cak muhafaza uygulamalar\u0131nda yo\u011funla\u015f\u0131r. 60 \u00b0C'de d\u00fc\u015f\u00fcr\u00fclm\u00fc\u015f ak\u0131m de\u011ferine g\u00f6re sat\u0131\u015f yapmak ekstra bir \u00f6zen de\u011fildir; bu, \u00f6ng\u00f6r\u00fclebilir \u015fikayetleri \u00f6nlemektir.<\/p>\n\n<p>\u0130kinci olarak, yedek stok olu\u015fturun. Tamamen watt de\u011ferine g\u00f6re d\u00fczenlenmi\u015f bir katalogda, \u201cy\u00fcksek s\u0131cakl\u0131kl\u0131 kabinlere uygun\u201d \u00fcniteler sistematik olarak eksik kal\u0131r; \u00e7\u00fcnk\u00fc 60 \u00b0C\u2019lik bir kabinde 8 A\u2019l\u0131k bir y\u00fck\u00fc kar\u015f\u0131layan \u00fcnite, 240 W de\u011fil, 480 W etiketine sahiptir. Nominal s\u0131n\u0131flar\u0131n yan\u0131 s\u0131ra bir \u00fcst s\u0131n\u0131f \u00fcr\u00fcnleri de stoklad\u0131\u011f\u0131n\u0131zda, y\u00fcksek s\u0131cakl\u0131kl\u0131 ortamlar i\u00e7in verilen sipari\u015fler \u00f6zel sipari\u015f olmaktan \u00e7\u0131k\u0131p standart bir stok kalemi haline gelir.<\/p>\n\n<p>\u00dc\u00e7\u00fcnc\u00fcs\u00fc, \u201c25 %\u201d ifadesini teklif haz\u0131rlama dilinizin bir par\u00e7as\u0131 haline getirin. Bir m\u00fc\u015fteri, teklifinizi ayn\u0131 watt de\u011ferine sahip daha ucuz bir \u00fcniteyle kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131nda, aradaki fark sadece agresif bir e\u011friden ibaret olabilir: 100 W etiketli, ger\u00e7ekte 75 W g\u00fcc\u00fcnde \u00e7al\u0131\u015fan bir makine (<a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">XP Power<\/a>). Dolap s\u0131cakl\u0131\u011f\u0131nda kullan\u0131labilir ak\u0131m\u0131 a\u00e7\u0131klamak, hayali gerek\u00e7elerle fiyat e\u015fle\u015ftirme yapmak yerine, m\u00fchendislik temellerine dayanarak bir fiyat\u0131 savunman\u0131n yoludur.<\/p>\n\n<p>Son olarak, e\u011fri sayfas\u0131n\u0131 bir tedarik\u00e7i filtresi olarak de\u011ferlendirin. Bir kaynaktan e\u011fri dahil olmak \u00fczere eksiksiz teknik veri sayfas\u0131n\u0131 temin edemiyorsan\u0131z, o kayna\u011f\u0131n teknik \u00f6zelliklere ili\u015fkin riskini \u00fcstlenmi\u015f olursunuz ve bunu kendi m\u00fc\u015fterilerinize yeniden satm\u0131\u015f olursunuz. Eksiksiz dok\u00fcmantasyon bir l\u00fcks de\u011fildir; bu \u00fcr\u00fcn kategorisinde bu <em>\u015fudur<\/em> teknik \u015fartname.<\/p>\n\n<p class=\"bd-closer\"><em>S\u0131cak ortamlardaki muhafazalar i\u00e7in DIN ray\u0131 tipi veya kapal\u0131 tip anahtarlamal\u0131 g\u00fc\u00e7 kaynaklar\u0131n\u0131n boyutland\u0131rmas\u0131n\u0131 yap\u0131yorsan\u0131z, bizim <a href=\"https:\/\/www.omch.com\/tr\/switch-mode-power-supply\/\" target=\"_self\">anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131 serisi<\/a> 85\u2013264 VAC geni\u015f giri\u015f aral\u0131\u011f\u0131na ve 105 \u00b0C nominal \u00e7\u0131k\u0131\u015f kapasit\u00f6rlerine sahip, 480 W\u2019a kadar DIN ray\u0131 modelleri dahil olmak \u00fczere kompakt \u00fcniteleri kapsamaktad\u0131r. \u00dcr\u00fcn yelpazemiz <a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\" target=\"_self\">\u00fcr\u00fcn se\u00e7imi hizmeti<\/a> cihaz\u0131 sadece watt de\u011ferinize g\u00f6re de\u011fil, dolab\u0131n\u0131z\u0131n ger\u00e7ek s\u0131cakl\u0131\u011f\u0131na g\u00f6re ayarlayacakt\u0131r. <a href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Bize ula\u015f\u0131n<\/a> Sipari\u015f vermeden \u00f6nce ortam ko\u015fullar\u0131n\u0131 ve y\u00fck profilini g\u00f6z \u00f6n\u00fcnde bulundurun.<\/em><\/p>\n\n\n<div class=\"bp-cta-end bd-reveal\">\n <p class=\"bp-cta-end-ttl\"><span class=\"bd-cta-ic\"><svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m22 2-7 20-4-9-9-4z\"\/><path d=\"M22 2 11 13\"\/><\/svg><\/span>Boyutu etikete g\u00f6re de\u011fil, e\u011frili\u011fe g\u00f6re belirleyin.<\/p>\n <p class=\"bp-cta-end-sub\">Dolab\u0131n\u0131z\u0131n en k\u00f6t\u00fc durum s\u0131cakl\u0131\u011f\u0131n\u0131 ve s\u00fcrekli y\u00fck de\u011ferini bize iletin. \u00dcr\u00fcn sevk edilmeden \u00f6nce g\u00fc\u00e7 s\u0131n\u0131f\u0131n\u0131, modeli ve e\u011friyi buna g\u00f6re ayarlayaca\u011f\u0131z.<\/p>\n <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Y\u00fck profilimi g\u00f6nder<svg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M5 12h14\"\/><path d=\"m12 5 7 7-7 7\"\/><\/svg><\/a>\n<\/div>\n\n<h2>Kaynak\u00e7a<\/h2>\n<ol>\n<li>[XP Power]. \u201cG\u00fc\u00e7 kaynaklar\u0131n\u0131n kapasite d\u00fc\u015f\u00fcrme \u00f6zelliklerinin anla\u015f\u0131lmas\u0131.\u201d 2024. <a href=\"https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications\" target=\"_blank\" rel=\"noopener\">https:\/\/www.xppower.com\/resources\/blog\/understanding-power-supply-de-rating-specifications<\/a><\/li>\n<li>[TDK-Lambda]. \u201cBir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n derating y\u00fczdesini nas\u0131l belirlerim?\u201d 2022. <a href=\"https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.us.lambda.tdk.com\/resources\/blogs\/20220527.html<\/a><\/li>\n<li>[PULS]. \u201cG\u00fc\u00e7 kayna\u011f\u0131 ba\u011flam\u0131nda derating ne anlama gelir?\u201d (SSS). <a href=\"https:\/\/products.pulspower.com\/en\/faq\/meaning-derating\" target=\"_blank\" rel=\"noopener\">https:\/\/products.pulspower.com\/en\/faq\/meaning-derating<\/a><\/li>\n<li>[DigiKey Forumu]. \u201cG\u00fc\u00e7 Kayna\u011f\u0131nda Termal Derating: Neden 550 W\u2019l\u0131k Bir G\u00fc\u00e7 Kayna\u011f\u0131 Yaln\u0131zca 230 W G\u00fc\u00e7 Sa\u011flayabilir?\u201d 2023. <a href=\"https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170\" target=\"_blank\" rel=\"noopener\">https:\/\/forum.digikey.com\/t\/power-supply-thermal-derating-why-a-550-w-supply-may-only-deliver-230-w\/70170<\/a><\/li>\n<li>[r\/PLC \u2014 Reddit]. \u201cIs\u0131 \u00fcreten bile\u015fenleri dikey DIN ray\u0131na monte etmeyin.\u201d 2024. <a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1cj8w5b\/dont_mount_heat_producing_components_on_vertical\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.reddit.com\/r\/PLC\/comments\/1cj8w5b\/dont_mount_heat_producing_components_on_vertical\/<\/a><\/li>\n<li>[r\/PLC \u2014 Reddit]. \u201cBunu yapan ba\u015fka kimse var m\u0131?\u201d 2025. <a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/1lhyju8\/anyone_else_do_this\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.reddit.com\/r\/PLC\/comments\/1lhyju8\/anyone_else_do_this\/<\/a><\/li>\n<li>[OMCH]. \u201cAnahtarlamal\u0131 G\u00fc\u00e7 Kayna\u011f\u0131.\u201d <a href=\"https:\/\/www.omch.com\/tr\/switch-mode-power-supply\/\" target=\"_self\">https:\/\/www.omch.com\/switch-mode-power-supply\/<\/a><\/li>\n<li>[OMCH]. \u201c\u00dcr\u00fcn Se\u00e7imi.\u201d <a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\" target=\"_self\">https:\/\/www.omch.com\/product-selection\/<\/a><\/li>\n<li>[OMCH]. \u201cOMCH ile \u0130leti\u015fime Ge\u00e7in.\u201d <a href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">https:\/\/www.omch.com\/contact\/<\/a><\/li>\n<li>[OMCH]. \u201cEnd\u00fcstriyel Otomasyon Bile\u015fenleri \u00dcreticisi \u2014 OMCH.\u201d <a href=\"https:\/\/www.omch.com\/tr\/\" target=\"_self\">https:\/\/www.omch.com\/<\/a><\/li>\n<\/ol>\n\n<\/article>\n<\/div>\n\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>G\u00fc\u00e7 Kayna\u011f\u0131 Deratingi A\u00e7\u0131klamas\u0131: Tip Plakas\u0131nda Yazmayanlar Hemen hemen herhangi bir anahtarlamal\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n teknik veriler sayfas\u0131n\u0131 a\u00e7t\u0131\u011f\u0131n\u0131zda, birbiriyle \u00e7eli\u015fiyor gibi g\u00f6r\u00fcnen iki rakamla kar\u015f\u0131la\u015f\u0131rs\u0131n\u0131z. \u0130lki, ilk sayfada yer alan 240 W de\u011feridir. \u0130kincisi ise, sayfan\u0131n sonlar\u0131na do\u011fru gizlenmi\u015f, 70 \u00b0C\u2019de ayn\u0131 \u00fcnitenin [\u2026]<\/p>","protected":false},"author":4,"featured_media":12291,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Power Supply Derating: Temperature, Load & Sizing Guide","_seopress_titles_desc":"Learn how temperature, airflow, altitude and load affect power supply output, and use derating curves to size a reliable supply.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/comments?post=12288"}],"version-history":[{"count":1,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12288\/revisions"}],"predecessor-version":[{"id":12292,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12288\/revisions\/12292"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media\/12291"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media?parent=12288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/categories?post=12288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/tags?post=12288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}