{"id":4165,"date":"2025-10-21T17:04:10","date_gmt":"2025-10-21T17:04:10","guid":{"rendered":"https:\/\/1clickrepair.in\/ESS\/?post_type=product&#038;p=4165"},"modified":"2026-10-26T11:45:08","modified_gmt":"2026-10-26T11:45:08","slug":"ptf-45-vertical-pcb-mount-fuse-holder-5x20mm-fuse-block","status":"publish","type":"product","link":"https:\/\/essfuse.com\/de\/produkt\/ptf-45-vertical-pcb-mount-fuse-holder-5x20mm-fuse-block\/","title":{"rendered":"5x20mm PCB\u2011Mount Fuse Holder | 10A IP20 Industrial Fuse Block"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/v7-upload.digoodcms.com\/website_193\/2025-07-17\/PTF45.jpg?imageMogr2\/format\/webp\" alt=\"\" width=\"826\" height=\"825\" \/><\/p>\n<p><strong>PCB\u2011mount fuse holder<\/strong> for 5x20mm cartridge fuses is IP20\u2011rated through\u2011hole soldered circuit\u2011protection component for consumer\u2011electronic and industrial PCBA. This fuse block uses high\u2011grade black PBT UL94 V0 flame\u2011retardant insulating housing with low\u2011resistance metal spring contacts. It features PC2 shock\u2011safe construction and IP20 ingress\u2011protection rating, complying with international safety standards EN 60127\u20116, UL 512 and C22.2 No.39. Designed for through\u2011hole wave\u2011soldering mass\u2011production. Standard housing color is black. Widely deployed in power adapters, household appliances, test instruments and export\u2011targeted electronic control boards.<\/p>\n<h2>Core Product Features<\/h2>\n<ul>\n<li>Compatible with standard 5 \u00d7 20\u202fmm glass \/ ceramic tubular cartridge fuses for low\u2011voltage PCB\u2011level over\u2011current\u2011protection<\/li>\n<li>Electrical rating: 10A @ 250V AC; rated power acceptance 2.5W for reliable thermal\u2011dissipation under continuous\u2011load<\/li>\n<li>Housing material: PBT, UL94\u202fV\u20110 flame\u2011retardant grade; standard black housing color<\/li>\n<li>Contact resistance below 5\u202fm\u03a9 for low power\u2011loss and stable long\u2011term conduction<\/li>\n<li>PC2 shock\u2011safe category; IP20 ingress\u2011protection rating; ambient operating temperature\u201130\u202f\u2103 ~ +85\u202f\u2103<\/li>\n<li>Full\u2011standard compliance: EN 60127\u20116, UL 512, C22.2 No.39, supports global export market\u2011access for electronic\u2011products<\/li>\n<li>Through\u2011hole PCB soldering mount, fits conventional wave\u2011soldering manufacturing workflows<\/li>\n<li>RoHS\u2011compliant construction, meets global consumer\u2011electronics environmental\u2011protection requirements.<\/li>\n<\/ul>\n<p>Compared with ordinary IP00 PCB fuse clips, this IP20\u2011rated variant provides basic solid\u2011foreign\u2011object protection on PCB board. PC2 enhanced anti\u2011electric\u2011shock safety plus multi\u2011national safety certifications make it highly suitable for export\u2011oriented consumer\u2011electronic projects.<\/p>\n<h2>Full Technical Specifications<\/h2>\n<table style=\"border-collapse: collapse; width: 100%; border: 1px solid #000;\">\n<tbody>\n<tr>\n<th style=\"border: 1px solid #000; padding: 8px 12px; text-align: left; background: #f5f5f5;\">Specification Item<\/th>\n<th style=\"border: 1px solid #000; padding: 8px 12px; text-align: left; background: #f5f5f5;\">Parameter Value<\/th>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Model<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">PTF\u201145<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Compatible Fuse<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">5 \u00d7 20\u202fmm glass \/ ceramic tubular cartridge fuse<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Rated Current<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">10A<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Rated Voltage<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">250V AC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Rated Power Acceptance<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">2.5 W<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Housing Material<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">PBT, UL94 V0 flame\u2011retardant<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Standard Housing Color<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Black<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Contact Resistance<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">\uff1c 5\u202fm\u03a9<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Shock\u2011safe Category<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">PC2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Degree of Protection<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">IP20<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Ambient Operating Temperature<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">\u201130\u202f\u2103 ~ +85\u202f\u2103<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Compliance Standards<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">EN 60127\u20116, UL 512, C22.2 No.39<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Mounting Method<\/td>\n<td style=\"border: 1px solid #000; padding: 8px 12px;\">Through\u2011hole PCB soldering mount<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Note: Original datasheet does not provide insulation resistance and withstand\u2011voltage parameters.<\/em><\/p>\n<h2>Selection &amp; Application Guidance<\/h2>\n<p>When selecting this IP20\u2011rated PCB\u2011mount fuse holder for 5&#215;20\u202fmm fuses, confirm fuse dimension, system AC voltage and continuous operating\u2011current first. Select matching\u2011rating 5x20mm tubular fuses and reserve a 1.25\u20111.5\u00d7 safety margin to avoid over\u2011heating under continuous\u2011load. For export\u2011targeted electronic products, verify PC2 shock\u2011safe, IP20 rating and corresponding standard compliance. Follow official dimension drawing for PCB pad layout to guarantee soldering reliability and stable contact performance. Note IP20 rating only provides protection against solid foreign objects, proper final\u2011enclosure design shall still be considered for finished\u2011equipment safety.<\/p>\n<h2>Typical Application Scenarios<\/h2>\n<ul>\n<li>Export\u2011grade power\u2011adapter and small switching\u2011power\u2011supply PCBA fuse accessories<\/li>\n<li>Household\u2011appliance control\u2011board and consumer\u2011electronics protection circuits<\/li>\n<li>Test instruments, multimeters and laboratory small\u2011power circuit\u2011boards<\/li>\n<li>Communication\u2011equipment auxiliary power\u2011input protection accessories<\/li>\n<li>LED power\u2011drivers and low\u2011voltage lighting\u2011control PCBA<\/li>\n<li>Small\u2011industrial\u2011automation module PCB over\u2011current\u2011protection accessories<\/li>\n<\/ul>\n<h2>Installation &amp; Maintenance Instructions<\/h2>\n<p>1. Select correct\u2011rating 5 \u00d7 20\u202fmm glass \/ ceramic tubular cartridge fuse according to circuit\u2011protection requirements.<\/p>\n<p>2. Design PCB through\u2011hole pads strictly follow official dimension drawing to ensure soldering compatibility.<\/p>\n<p>3. Complete wave\u2011soldering or manual\u2011soldering with proper temperature and dwell\u2011time; avoid over\u2011heat damage to PBT black plastic housing.<\/p>\n<p>4. Insert tubular fuse fully into holder cavity for reliable electrical contact.<\/p>\n<p>5. Do not operate beyond published rated voltage\u2011current limits to prevent insulation breakdown and safety hazards.<\/p>\n<p>6. Cut\u2011off full power supply and discharge circuit before fuse replacement to prevent electric\u2011shock hazard.<\/p>\n<p>7. Periodically inspect for loose fuse, contact\u2011clip oxidation or heating signs; replace accessories promptly when anomalies are found.<\/p>\n<p><a href=\"https:\/\/essfuse.com\/wp-content\/uploads\/2025\/10\/PTF45-2.pdf\">PTF-45 5x20mm PCB\u2011Mount Fuse Holder<\/a><\/p>\n<h2>Frequently Asked Questions<\/h2>\n<p><strong>Q1: What fuse size does this IP20 pcb fuse holder fit?<\/strong><\/p>\n<p>A1: It fits standard 5 \u00d7 20\u202fmm glass and ceramic tubular cartridge fuses, for low\u2011voltage export\u2011grade PCB\u2011level over\u2011current\u2011protection.<\/p>\n<p><strong>Q2: What are its electrical specifications?<\/strong><\/p>\n<p>A2: Rated 10A @250V AC with 2.5W rated power acceptance; contact resistance below 5\u202fm\u03a9.<\/p>\n<p><strong>Q3: What are safety\u2011class and protection\u2011rating?<\/strong><\/p>\n<p>A3: Black PBT UL94\u202fV\u20110 housing, PC2 shock\u2011safe category, IP20 ingress\u2011protection rating.<\/p>\n<p><strong>Q4: What is operating\u2011temperature range?<\/strong><\/p>\n<p>A4: Ambient operating temperature ranges from\u201130\u202f\u2103 up to +85\u202f\u2103.<\/p>\n<p><strong>Q5: Which international standards does it comply with?<\/strong><\/p>\n<p>A5: Compliant with EN 60127\u20116, UL 512, C22.2 No.39 for global export\u2011electronic\u2011product market\u2011access.<\/p>\n<p><strong>Q6: What mounting method and typical\u2011applications?<\/strong><\/p>\n<p>A6: Through\u2011hole PCB soldering mount; widely used for export\u2011grade power adapters, household appliances, test instruments and consumer\u2011electronic PCB protection circuits.<\/p>","protected":false},"excerpt":{"rendered":"<p>Industrial\u2011grade IP20\u2011rated through\u2011hole PCB\u2011mount fuse holder for 5\u00d720mm glass &amp; ceramic cartridge fuses, black PBT UL94 V0 flame\u2011retardant housing, rated 10A 250V AC, 2.5W rated power acceptance, PC2 shock\u2011safe category,\u201130\u2103~+85\u2103 ambient temperature, compliant with EN 60127\u20116, UL 512, C22.2 No.39, for power adapters, household appliances and export\u2011grade PCB over\u2011current\u2011protection.<\/p>","protected":false},"featured_media":3846,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[148],"product_tag":[],"class_list":["post-4165","product","type-product","status-publish","has-post-thumbnail","product_cat-pcb-fuse-holder-clip","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/product\/4165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/comments?post=4165"}],"version-history":[{"count":2,"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/product\/4165\/revisions"}],"predecessor-version":[{"id":15492,"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/product\/4165\/revisions\/15492"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/media\/3846"}],"wp:attachment":[{"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/media?parent=4165"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/product_brand?post=4165"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/product_cat?post=4165"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/essfuse.com\/de\/wp-json\/wp\/v2\/product_tag?post=4165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}