{"id":8273,"date":"2026-02-18T09:30:00","date_gmt":"2026-02-18T08:30:00","guid":{"rendered":"https:\/\/tps-elektronik.com\/?p=8273"},"modified":"2026-02-19T14:03:26","modified_gmt":"2026-02-19T13:03:26","slug":"fsp400-50aac-alimentation-atx-400w","status":"publish","type":"post","link":"https:\/\/tps-elektronik.com\/fr\/fsp400-50aac-alimentation-atx-400w\/","title":{"rendered":"FSP400-50AAC : Alimentation ATX 400 W certifi\u00e9e 80 PLUS Bronze pour syst\u00e8mes industriels et PC"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Vue d\u2019ensemble<\/h2>\n\n\n\n<p>Le <strong><a href=\"https:\/\/www.shop-tps.com\/shop\/fsp400-50aac-19374#attr=\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">FSP400-50AAC<\/a><\/strong> est une alimentation \u00e0 d\u00e9coupage <a href=\"https:\/\/www.shop-tps.com\/web\/image\/66910?unique=d0beed3a7ab996d62e6c0017a4822286096779f6\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">ATX de 400 W<\/a> con\u00e7ue pour les PC de bureau, les PC industriels (IPC), les syst\u00e8mes embarqu\u00e9s et les stations de travail l\u00e9g\u00e8res.<\/p>\n\n\n\n<p>Elle associe :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Un rendement conforme \u00e0 la classe <strong>80 PLUS Bronze<\/strong><\/li>\n\n\n\n<li>Une entr\u00e9e AC universelle<\/li>\n\n\n\n<li>Des fonctions de protection \u00e9lectrique int\u00e9gr\u00e9es<\/li>\n\n\n\n<li>Une compatibilit\u00e9 m\u00e9canique standard ATX (format PS\/2)<\/li>\n<\/ul>\n\n\n\n<p>Ce mod\u00e8le s\u2019adresse aux applications n\u00e9cessitant une alimentation stable, une int\u00e9gration conforme aux plateformes ATX \u00e9tablies et des r\u00e9f\u00e9rences de s\u00e9curit\u00e9 document\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Points cl\u00e9s<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Puissance nominale :<\/strong> 400 W<\/li>\n\n\n\n<li><strong>Format :<\/strong> PS\/2 ATX (140 \u00d7 150 \u00d7 86 mm)<\/li>\n\n\n\n<li><strong>Plage d\u2019entr\u00e9e :<\/strong> 90\u2013264 VAC, 47\u201363 Hz<\/li>\n\n\n\n<li><strong>Classe de rendement :<\/strong> 80 PLUS Bronze<\/li>\n\n\n\n<li><strong>Rails de sortie :<\/strong> +3,3 V, +5 V, +12 V, \u221212 V, +5 Vsb<\/li>\n\n\n\n<li><strong>Protections int\u00e9gr\u00e9es :<\/strong> OCP, OVP, OTP<\/li>\n\n\n\n<li><strong>Refroidissement :<\/strong> ventilateur int\u00e9gr\u00e9 de 120 mm<\/li>\n\n\n\n<li><strong>MTBF (sp\u00e9cifi\u00e9e) :<\/strong> 100 000 heures<\/li>\n\n\n\n<li><strong>R\u00e9f\u00e9rence de s\u00e9curit\u00e9 :<\/strong> certification CB selon IEC 62368-1<\/li>\n\n\n\n<li><strong>Compatibilit\u00e9 plateforme :<\/strong> Intel ATX12V v1.4<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/01\/1_Product_ATX-PC-Power-Supply_FSP400-50AAC.jpg\" alt=\"FSP400-50AAC ATX-400-W-Netzteil Produktfoto mit Metallgeh\u00e4use, AC-Eingang, Netzschalter und obenliegendem L\u00fcftergitter f\u00fcr den K\u00fchlluftstrom.\" class=\"wp-image-7280\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Entr\u00e9e AC et rendement<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Entr\u00e9e universelle<\/h3>\n\n\n\n<p>Le FSP400-50AAC fonctionne sur une plage d\u2019entr\u00e9e de <strong>90 \u00e0 264 VAC<\/strong> et une fr\u00e9quence de <strong>47 \u00e0 63 Hz<\/strong>.<\/p>\n\n\n\n<p>Cette plage permet son utilisation dans des r\u00e9gions pr\u00e9sentant des standards r\u00e9seau diff\u00e9rents, sans multiplier les variantes d\u2019alimentation.<\/p>\n\n\n\n<p>Pour les int\u00e9grateurs, cela peut contribuer \u00e0 simplifier la logistique et la gestion des pi\u00e8ces de rechange dans des d\u00e9ploiements internationaux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rendement 80 PLUS Bronze<\/h3>\n\n\n\n<p>La certification <strong>80 PLUS Bronze<\/strong> indique que l\u2019alimentation r\u00e9pond \u00e0 des crit\u00e8res d\u2019efficacit\u00e9 d\u00e9finis, mesur\u00e9s sous conditions de charge normalis\u00e9es.<\/p>\n\n\n\n<p>Un rendement plus \u00e9lev\u00e9 peut contribuer \u00e0 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00e9duire la dissipation thermique interne<\/li>\n\n\n\n<li>Limiter la sollicitation du syst\u00e8me de refroidissement<\/li>\n\n\n\n<li>Am\u00e9liorer le comportement thermique global du syst\u00e8me<\/li>\n<\/ul>\n\n\n\n<p>Les performances r\u00e9elles d\u00e9pendent du profil de charge et des conditions d\u2019exploitation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rails de sortie et performances \u00e9lectriques<\/h2>\n\n\n\n<p>L\u2019alimentation fournit les rails standards ATX :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>+3,3 V<\/strong><\/li>\n\n\n\n<li><strong>+5 V<\/strong><\/li>\n\n\n\n<li><strong>+12 V<\/strong><\/li>\n\n\n\n<li><strong>\u221212 V<\/strong><\/li>\n\n\n\n<li><strong>+5 V standby (5 Vsb)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Ces tensions couvrent les besoins courants des cartes m\u00e8res, dispositifs de stockage, cartes d\u2019extension, ventilateurs et fonctions de veille.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ripple &amp; bruit<\/h3>\n\n\n\n<p>Les limites sp\u00e9cifi\u00e9es de ripple et de bruit sont :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>50 mV cr\u00eate \u00e0 cr\u00eate (p-p)<\/strong> sur +3,3 V, +5 V et +5 Vsb<\/li>\n\n\n\n<li><strong>120 mV p-p<\/strong> sur +12 V et \u221212 V<\/li>\n<\/ul>\n\n\n\n<p>La ma\u00eetrise de la ripple peut \u00eatre pertinente pour des applications int\u00e9grant des SSD, modules de communication, cartes d\u2019E\/S ou autres p\u00e9riph\u00e9riques sensibles aux perturbations d\u2019alimentation.<\/p>\n\n\n\n<p>La stabilit\u00e9 globale d\u00e9pend toutefois de la r\u00e9partition des charges et de la qualit\u00e9 d\u2019int\u00e9gration syst\u00e8me.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fonctions de protection<\/h2>\n\n\n\n<p>Le FSP400-50AAC int\u00e8gre les m\u00e9canismes suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>OCP \u2013 Over Current Protection (protection contre les surintensit\u00e9s)<\/strong><\/li>\n\n\n\n<li><strong>OVP \u2013 Over Voltage Protection (protection contre les surtensions)<\/strong><\/li>\n\n\n\n<li><strong>OTP \u2013 Over Temperature Protection (protection thermique)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Ces dispositifs sont con\u00e7us pour limiter les cons\u00e9quences d\u2019\u00e9v\u00e9nements \u00e9lectriques tels qu\u2019une surcharge, une \u00e9l\u00e9vation anormale de temp\u00e9rature ou une d\u00e9rive de tension. Leur comportement d\u00e9pend de la configuration syst\u00e8me et des conditions de d\u00e9faut.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Int\u00e9gration m\u00e9canique<\/h2>\n\n\n\n<p>L\u2019alimentation respecte l\u2019enveloppe m\u00e9canique <strong>PS\/2 ATX<\/strong> avec des dimensions de :<\/p>\n\n\n\n<p><strong>140 \u00d7 150 \u00d7 86 mm<\/strong><\/p>\n\n\n\n<p>Ce format permet son int\u00e9gration dans des bo\u00eetiers ATX standard ainsi que dans de nombreux ch\u00e2ssis de PC industriels.<\/p>\n\n\n\n<p>Le refroidissement est assur\u00e9 par un <strong>ventilateur int\u00e9gr\u00e9 de 120 mm<\/strong>, compatible avec les architectures de flux d\u2019air courantes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/01\/2_Product_ATX-PC-Power-Supply_FSP400-50AAC.jpg\" alt=\"FSP400-50AAC mechanische Zeichnung mit ATX-Abmessungen (140 x 150 x 86 mm), Luftstromrichtung sowie Stecker- und Kabellayout f\u00fcr die Geh\u00e4useintegration.\" class=\"wp-image-7283\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conformit\u00e9 et alignement plateforme<\/h2>\n\n\n\n<p>Dans les projets soumis \u00e0 validation r\u00e9glementaire, la disponibilit\u00e9 de r\u00e9f\u00e9rences de s\u00e9curit\u00e9 document\u00e9es peut \u00eatre requise.<\/p>\n\n\n\n<p>Le FSP400-50AAC est pr\u00e9sent\u00e9 comme :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Certifi\u00e9 CB selon IEC 62368-1<\/strong><\/li>\n\n\n\n<li>Con\u00e7u en coh\u00e9rence avec la sp\u00e9cification <strong>Intel ATX12V v1.4<\/strong><\/li>\n<\/ul>\n\n\n\n<p>La page produit mentionne \u00e9galement d\u2019autres homologations (UL, FCC, T\u00dcV, CE, CCC, RoHS). Leur applicabilit\u00e9 peut d\u00e9pendre de la version de production et du march\u00e9 cible. Une v\u00e9rification sp\u00e9cifique au projet est recommand\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Consid\u00e9rations de fiabilit\u00e9<\/h2>\n\n\n\n<p>Le fabricant indique une <strong>MTBF de 100 000 heures<\/strong>, d\u00e9termin\u00e9e selon des conditions d\u2019essai d\u00e9finies.<\/p>\n\n\n\n<p>La MTBF constitue un indicateur statistique et ne correspond pas \u00e0 une dur\u00e9e de vie garantie. La dur\u00e9e d\u2019exploitation r\u00e9elle d\u00e9pend notamment de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La temp\u00e9rature ambiante<\/li>\n\n\n\n<li>Le profil de charge<\/li>\n\n\n\n<li>La ventilation et la circulation d\u2019air<\/li>\n\n\n\n<li>L\u2019environnement d\u2019installation<\/li>\n<\/ul>\n\n\n\n<p>Dans les applications industrielles ou en fonctionnement continu, une conception thermique appropri\u00e9e et un dimensionnement avec marge restent essentiels.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Domaines d\u2019application typiques<\/h2>\n\n\n\n<p>Le FSP400-50AAC peut convenir \u00e0 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Des PC de bureau n\u00e9cessitant une alimentation ATX 400 W standard<\/li>\n\n\n\n<li>Des PC industriels avec exigence d\u2019entr\u00e9e AC universelle<\/li>\n\n\n\n<li>Des syst\u00e8mes embarqu\u00e9s bas\u00e9s sur une plateforme ATX<\/li>\n\n\n\n<li>Des stations de travail l\u00e9g\u00e8res ou serveurs d\u2019entr\u00e9e de gamme dans une enveloppe de 400 W<\/li>\n<\/ul>\n\n\n\n<p>Une validation au niveau syst\u00e8me est recommand\u00e9e afin de confirmer la r\u00e9partition des charges, le comportement des protections et la performance thermique.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Le FSP400-50AAC est-il adapt\u00e9 aux installations internationales ?<\/h3>\n\n\n\n<p>Il prend en charge une entr\u00e9e de 90\u2013264 VAC et 47\u201363 Hz, ce qui permet son utilisation dans des r\u00e9gions pr\u00e9sentant des standards secteur diff\u00e9rents.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quels rails de sortie sont disponibles ?<\/h3>\n\n\n\n<p>+3,3 V, +5 V, +12 V, \u221212 V et +5 V standby (5 Vsb), conform\u00e9ment aux exigences ATX courantes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pourquoi la faible ripple est-elle importante ?<\/h3>\n\n\n\n<p>Un niveau de ripple ma\u00eetris\u00e9 peut contribuer \u00e0 un fonctionnement stable des dispositifs de stockage, interfaces de communication et autres composants sensibles. Les performances finales d\u00e9pendent \u00e9galement du routage PCB et de l\u2019int\u00e9gration globale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Demande de prix ou support d\u2019int\u00e9gration<\/h2>\n\n\n\n<p>Pour les projets int\u00e9grant le FSP400-50AAC, <a href=\"https:\/\/tps-elektronik.com\/fr\/contact\/\" type=\"page\" id=\"5869\">TPS Elektronik<\/a> propose un accompagnement concernant :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La documentation technique<\/li>\n\n\n\n<li>Les informations de disponibilit\u00e9 et d\u2019approvisionnement<\/li>\n\n\n\n<li>Les aspects d\u2019int\u00e9gration (compatibilit\u00e9 m\u00e9canique, dimensionnement des rails, consid\u00e9rations de validation)<\/li>\n<\/ul>\n\n\n\n<p>Notre \u00e9quipe reste \u00e0 votre disposition pour analyser vos exigences sp\u00e9cifiques.<\/p>\n\n\n<style id=\"wpforms-css-vars-4336-block-f7f56484-569c-4669-8415-34a6d97751d1\">\n\t\t\t\t#wpforms-4336.wpforms-block-f7f56484-569c-4669-8415-34a6d97751d1 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Cet article d\u00e9taille ses caract\u00e9ristiques \u00e9lectriques, ses protections et ses crit\u00e8res d\u2019int\u00e9gration.<\/p>\n","protected":false},"author":8,"featured_media":7302,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[85],"tags":[],"class_list":["post-8273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-produkte"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FSP400-50AAC \u2013 Alimentation ATX 400 W 80 PLUS Bronze<\/title>\n<meta name=\"description\" content=\"Pr\u00e9sentation technique de l\u2019alimentation ATX 400 W FSP400-50AAC avec certification 80 PLUS Bronze, entr\u00e9e AC universelle et protections int\u00e9gr\u00e9es.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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