{"id":11219,"date":"2026-07-25T03:14:46","date_gmt":"2026-07-25T03:14:46","guid":{"rendered":"https:\/\/ic-vendor.com\/1401-7731\/"},"modified":"2026-07-25T03:14:46","modified_gmt":"2026-07-25T03:14:46","slug":"1401-7731","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/1401-7731\/","title":{"rendered":"1401.7731"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The Schurter 1401.7731 is a slow-blow (time-lag) subminiature fuse holder designed for 5x20mm fuses. With panel-mount configuration and IEC\/EN approval, it provides reliable overcurrent protection access in industrial and medical equipment.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n
Fuse Size<\/td>\n5 x 20 mm<\/td>\n<\/tr>\n
Fuse Characteristic<\/td>\nTime-lag (slow-blow) compatible<\/td>\n<\/tr>\n
Rated Current (fuse)<\/td>\nPer installed fuse<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n250 VAC<\/td>\n<\/tr>\n
Breaking Capacity<\/td>\nPer fuse rating<\/td>\n<\/tr>\n
Approval<\/td>\nIEC 60127, EN 60127<\/td>\n<\/tr>\n
Mounting<\/td>\nPanel mount with nut<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-25\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Subminiature 5x20mm fuse holder<\/li>\n
  • Time-lag (slow-blow) characteristic<\/li>\n
  • Panel-mount with securing nut<\/li>\n
  • IEC\/EN 60127 approved<\/li>\n
  • Robust thermoplastic body<\/li>\n
  • RoHS compliant<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial equipment power protection<\/li>\n
    • Medical device input protection<\/li>\n
    • Laboratory instrument fuse access<\/li>\n
    • Consumer electronics service panel<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The Schurter 1401.7731 is a slow-blow (time-lag) subminiature fuse holder designed for 5x20mm fuses. With panel-mount configuration and IEC\/EN approval, it provides reliable overcurrent protection access in industrial and medical equipment. Key Specifications Fuse Size 5 x 20 mm Fuse Characteristic Time-lag (slow-blow) compatible Rated Current (fuse) Per installed fuse Rated Voltage 250 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,56],"tags":[2490],"chip_brand":[975],"class_list":["post-11219","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-mosfets","tag-1401-7731","chip_brand-schurter"],"acf":{"brief_explanation":"5x20mm slow-blow fuse, 250VAC, IEC60127, panel mount, -25 to 85C","date_code":"","package_case":"Panel mount with nut","in_stock":5670,"datasheet":"https:\/\/www.schurter.com\/downloads\/datasheets\/en\/fuses\/SMD-Fuses\/1401_Datasheet.pdf","price":"$0.35 @ 1ku","product_introduction":"The 1401.7731 from Schurter is a subminiature slow-blow (time-lag) fuse for 5x20mm holder applications, rated for 250VAC. Compliant with IEC\/EN 60127 standards, the time-lag characteristic allows short-duration inrush currents (such as from capacitive loads or motor starts) without nuisance tripping, while still providing reliable overcurrent protection for sustained faults. The panel-mount configuration with securing nut enables easy fuse replacement for service access.","working_principle":"The 1401.7731 slow-blow fuse uses a special element design that incorporates a short-length low-melting-point alloy segment (typically tin or tin-bismuth) soldered to a higher-melting-point wire (typically silver or copper). During normal operation and short-duration inrush events, the thermal mass of the element absorbs the energy without melting. For sustained overcurrent conditions, the low-melting-point alloy segment heats above its melting point and interrupts the circuit. The time-lag characteristic provides 10-100\u00d7 longer trip time at moderate overcurrents compared to fast-acting fuses.","pin_description":"
      Terminal<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>Input<\/td>Power<\/td>Line side terminal<\/td><\/tr>
      2<\/td>Output<\/td>Power<\/td>Load side terminal<\/td><\/tr><\/table>","application_scenarios":"
      • SMPS primary side input protection<\/li>
      • Motor start circuit with inrush allowance<\/li>
      • Medical equipment mains input fuse<\/li>
      • Instrument transformer secondary protection<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        1401.7721<\/td>Schurter<\/td>Fast-acting characteristic<\/td><\/tr>
        0034.7020<\/td>Schurter<\/td>6.3x32mm larger size<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=11219"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11219\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=11219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=11219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=11219"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=11219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}