{"id":6948,"date":"2026-02-11T09:30:00","date_gmt":"2026-02-11T08:30:00","guid":{"rendered":"https:\/\/tps-elektronik.com\/?p=6948"},"modified":"2026-02-18T12:55:07","modified_gmt":"2026-02-18T11:55:07","slug":"fsp350-70pfl-sk-350w-80-plus-bronze-industrial-ipc-psu","status":"publish","type":"post","link":"https:\/\/tps-elektronik.com\/en\/fsp350-70pfl-sk-350w-80-plus-bronze-industrial-ipc-psu\/","title":{"rendered":"FSP350-70PFL (SK): 350W 80 PLUS Bronze ATX IPC PSU for Reliable Server &#038; Workstation Power Systems"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Overview<\/h2>\n\n\n\n<p>The <strong><a href=\"https:\/\/www.shop-tps.com\/shop\/fsp350-70pfl-sk-19373#attr=\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">FSP350-70PFL (SK)<\/a><\/strong> is a <a href=\"https:\/\/www.shop-tps.com\/web\/image\/66717?unique=528b5b05209a76788a19675e0f2cbfe514c0f462\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">350 W ATX industrial switching power supply<\/a> designed for IPC, server, workstation, automation, and communication applications.<\/p>\n\n\n\n<p>In industrial environments, unexpected power interruptions can lead to system downtime, data loss, or service interventions. This model is specified to support stable long-term operation in such use cases.<\/p>\n\n\n\n<p>Key characteristics include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>350 W total output power<\/li>\n\n\n\n<li>80 PLUS Bronze efficiency class<\/li>\n\n\n\n<li>Active PFC (Power Factor Correction)<\/li>\n\n\n\n<li>Full-range 90\u2013264 VAC input (47\u201363 Hz)<\/li>\n\n\n\n<li>Industrial qualification screening (burn-in and Hi-pot testing)<\/li>\n\n\n\n<li>Specified MTBF of 100,000 hours (25\u00b0C, per MIL-HDBK-217)<\/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\/2025\/12\/1_Product_ATX-PC-Power-Supply_FSP350-70PFL-SK.jpg\" alt=\"FSP350-70PFL (SK) power supply product photo showing ATX PSU metal enclosure, AC inlet, and integrated cooling airflow design for IPC and industrial workstation builds.\" class=\"wp-image-6950\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ripple &amp; Noise Performance<\/h2>\n\n\n\n<p>For industrial computing systems that integrate storage, I\/O modules, and communication cards, output stability is a relevant design parameter.<\/p>\n\n\n\n<p>The specification defines ripple and noise limits of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>50 mV p-p<\/strong> on +3.3 V and +5 V<\/li>\n\n\n\n<li><strong>120 mV p-p<\/strong> on +12 V rails<\/li>\n<\/ul>\n\n\n\n<p>These values are intended to support stable operation under dynamic load conditions typically seen in IPC and embedded applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Protection Features &amp; Fault Behavior<\/h2>\n\n\n\n<p>The protection concept includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Output over-voltage protection (OVP)<\/li>\n\n\n\n<li>Short-circuit protection (SCP) on all outputs<\/li>\n\n\n\n<li>Resettable power shutdown behavior<\/li>\n<\/ul>\n\n\n\n<p>In the event of a fault condition, the shutdown mechanism is designed to allow recovery after the issue has been resolved. This can support maintenance workflows in distributed or cabinet-based installations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Reliability &amp; Qualification Screening<\/h2>\n\n\n\n<p>For 24\/7 industrial environments, the datasheet specifies the following qualification measures:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>100% burn-in at 50\u00b0C<\/li>\n\n\n\n<li>100% Hi-pot testing<\/li>\n<\/ul>\n\n\n\n<p>The reliability reference is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MTBF: 100,000 hours<\/strong>\n<ul class=\"wp-block-list\">\n<li>Based on MIL-HDBK-217<\/li>\n\n\n\n<li>At 25\u00b0C<\/li>\n\n\n\n<li>At maximum load<\/li>\n\n\n\n<li>Nominal AC input<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>As with all MTBF figures, this represents a statistical reference value under defined conditions rather than a guaranteed service life.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mechanical Dimensions<\/h2>\n\n\n\n<p>The mechanical format corresponds to standard PS\/2 ATX dimensions:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>140 mm (L) \u00d7 150 mm (W) \u00d7 86 mm (H)<\/li>\n<\/ul>\n\n\n\n<p>This supports integration into common industrial ATX and IPC chassis designs.<\/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\/2025\/12\/2_Product_ATX-PC-Power-Supply_FSP350-70PFL-SK.jpg\" alt=\"FSP350-70PFL (SK) mechanical drawing showing ATX PSU dimensions, connector layout, and airflow direction for IPC and workstation integration.\" class=\"wp-image-6953\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Where the FSP350-70PFL (SK) Fits Best<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IPC PSU<\/strong> upgrades where universal input and predictable protection behavior reduce support effort across sites.<\/li>\n\n\n\n<li>Automation and communication equipment needing <strong>low ripple and noise output<\/strong> for stable I\/O and storage operation.<\/li>\n\n\n\n<li><strong>Server and workstation power system<\/strong> builds that value <strong>80 Plus Bronze efficiency<\/strong>, <strong>active PFC circuit<\/strong>, and documented reliability screening.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Typical Application Areas<\/h2>\n\n\n\n<p>The FSP350-70PFL (SK) may be suitable for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Industrial PC (IPC) platforms<\/li>\n\n\n\n<li>Automation control cabinets<\/li>\n\n\n\n<li>Communication systems<\/li>\n\n\n\n<li>Entry-level server or workstation builds<\/li>\n\n\n\n<li>Retrofit or PSU replacement projects requiring universal AC input<\/li>\n<\/ul>\n\n\n\n<p>Final suitability should always be verified against the system\u2019s load profile and environmental conditions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Is the FSP350-70PFL (SK) suitable for global installations?<\/h3>\n\n\n\n<p>Yes. The specified 90\u2013264 VAC input range (47\u201363 Hz) allows deployment across regions without changing PSU variants.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How does it differ from a consumer ATX PSU?<\/h3>\n\n\n\n<p>According to the documentation, the unit is positioned as an industrial switching power supply and includes defined qualification screening (50\u00b0C burn-in, Hi-pot testing) and a specified MTBF reference value. These parameters are typically relevant in industrial IPC environments.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Which protection mechanisms are included?<\/h3>\n\n\n\n<p>The PSU includes OVP and SCP on all outputs, along with a resettable shutdown behavior designed to support recovery after fault clearance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How does it support stable operation for sensitive loads?<\/h3>\n\n\n\n<p>The specification defines ripple and noise limits of 50 mV p-p (3.3 V \/ 5 V) and 120 mV p-p (12 V rails), which are relevant parameters for storage devices, communication cards, and control electronics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Support for System Integration<\/h2>\n\n\n\n<p>When qualifying the <a href=\"https:\/\/www.shop-tps.com\/shop\/fsp350-70pfl-sk-19373#attr=\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">FSP350-70PFL (SK)<\/a> for an IPC, server, or industrial controller project, technical documentation review and integration planning are recommended to ensure compatibility with load profiles, thermal conditions, and compliance requirements.<\/p>\n\n\n\n<p><a href=\"https:\/\/tps-elektronik.com\/kontakt\/\">TPS Elektronik<\/a> can provide support during PSU selection and documentation alignment within industrial system designs.<\/p>\n\n\n<style id=\"wpforms-css-vars-4659-block-9a9794d7-35e6-4ff7-a469-579e5bda51c2\">\n\t\t\t\t#wpforms-4659.wpforms-block-9a9794d7-35e6-4ff7-a469-579e5bda51c2 {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 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It features 80 PLUS Bronze efficiency, active PFC, full-range 90\u2013264 VAC input, defined ripple limits, industrial screening, and a specified MTBF reference for long-term operation.<\/p>\n","protected":false},"author":6,"featured_media":6956,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[53],"tags":[],"class_list":["post-6948","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-production"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FSP350-70PFL (SK) 350 W ATX Industrial Power Supply \u2013 80 PLUS Bronze, Active PFC<\/title>\n<meta name=\"description\" content=\"Technical overview of the FSP350-70PFL (SK) 350W industrial ATX power supply with 80 PLUS Bronze, active PFC, and 90\u2013264 VAC input.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tps-elektronik.com\/en\/fsp350-70pfl-sk-350w-80-plus-bronze-industrial-ipc-psu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FSP350-70PFL (SK) 350 W ATX Industrial Power Supply \u2013 80 PLUS Bronze, Active PFC\" \/>\n<meta property=\"og:description\" content=\"Technical overview of the FSP350-70PFL (SK) 350W industrial ATX power supply with 80 PLUS Bronze, active PFC, and 90\u2013264 VAC input.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tps-elektronik.com\/en\/fsp350-70pfl-sk-350w-80-plus-bronze-industrial-ipc-psu\/\" \/>\n<meta property=\"og:site_name\" content=\"TPS\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-11T08:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-18T11:55:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2025\/12\/0_Product_ATX-PC-Power-Supply_FSP350-70PFL-SK.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Lily Li\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lily Li\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/fsp350-70pfl-sk-350w-80-plus-bronze-industrial-ipc-psu\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/fsp350-70pfl-sk-350w-80-plus-bronze-industrial-ipc-psu\\\/\"},\"author\":{\"name\":\"Lily Li\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#\\\/schema\\\/person\\\/86b3693b2dd85bfece335c0f052de921\"},\"headline\":\"FSP350-70PFL (SK): 350W 80 PLUS Bronze ATX IPC PSU for Reliable Server &#038; 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