{"id":11278,"date":"2026-07-26T04:04:21","date_gmt":"2026-07-26T04:04:21","guid":{"rendered":"https:\/\/ic-vendor.com\/w3130-300rji\/"},"modified":"2026-07-26T04:04:21","modified_gmt":"2026-07-26T04:04:21","slug":"w3130-300rji","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/w3130-300rji\/","title":{"rendered":"W3130-300RJI"},"content":{"rendered":"

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

The Bourns W3130-300RJI is a 300mA fast-acting chip fuse for overcurrent protection in a 1206 surface-mount package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n
Rated Current<\/td>\n300 mA<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n63VDC<\/td>\n<\/tr>\n
Breaking Capacity<\/td>\n50A @ 63VDC<\/td>\n<\/tr>\n
Cold Resistance<\/td>\n~1.5 ohm typ<\/td>\n<\/tr>\n
Time-to-Open @ 300%<\/td>\n0.01-0.3s<\/td>\n<\/tr>\n
Operating Temp<\/td>\n-55 to +125C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n1206 (3.2×1.5mm)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 300mA fast-acting characteristic<\/li>\n
  • 63VDC rated voltage<\/li>\n
  • 50A high breaking capacity<\/li>\n
  • 1206 compact SMD footprint<\/li>\n
  • RoHS compliant<\/li>\n
  • Reliable overcurrent protection<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • USB port overcurrent protection<\/li>\n
    • Sensor supply rail fuse<\/li>\n
    • Battery-powered device protection<\/li>\n
    • Low-current peripheral circuit<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The Bourns W3130-300RJI is a 300mA fast-acting chip fuse for overcurrent protection in a 1206 surface-mount package. Key Specifications Rated Current 300 mA Rated Voltage 63VDC Breaking Capacity 50A @ 63VDC Cold Resistance ~1.5 ohm typ Time-to-Open @ 300% 0.01-0.3s Operating Temp -55 to +125C Package 1206 (3.2×1.5mm) Features 300mA fast-acting characteristic 63VDC […]<\/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":[2554],"chip_brand":[220],"class_list":["post-11278","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-mosfets","tag-w3130-300rji","chip_brand-bourns"],"acf":{"brief_explanation":"300mA chip fuse, 63V, fast-acting, 1206, -55 to 125C","date_code":"","package_case":"1206 (3.2x1.5x0.5mm)","in_stock":8920,"datasheet":"https:\/\/www.bourns.com\/docs\/Product-Datasheets\/W3130.pdf","price":"$0.15 @ 1ku","product_introduction":"The W3130-300RJI from Bourns is a 300mA fast-acting chip fuse in 1206 SMD package. 63VDC rated voltage and 50A breaking capacity. Opens within 0.01-0.3s at 300% rated current. Compatible with standard SMT assembly.","working_principle":"Thin metallic element on ceramic substrate. Below 300mA current flows freely. Overcurrent causes I2R heating that melts and vaporizes the element, opening the circuit. Ceramic substrate and arc-quenching filler ensure safe interruption at up to 50A.","pin_description":"
      Terminal<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>T1<\/td>Fuse element<\/td><\/tr>
      2<\/td>T2<\/td>Fuse element<\/td><\/tr><\/table>","application_scenarios":"
      • USB 2.0 port protection<\/li>
      • Sensor supply fuse<\/li>
      • IoT battery protection<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        0ZCJ0030FF2E<\/td>Bel Fuse<\/td>300mA 63V 1206<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11278","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=11278"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11278\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=11278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=11278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=11278"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=11278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}