{"id":11167,"date":"2026-07-24T14:41:08","date_gmt":"2026-07-24T14:41:08","guid":{"rendered":"https:\/\/ic-vendor.com\/etqp4m4r7yfp\/"},"modified":"2026-07-24T14:41:08","modified_gmt":"2026-07-24T14:41:08","slug":"etqp4m4r7yfp","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/etqp4m4r7yfp\/","title":{"rendered":"ETQP4M4R7YFP"},"content":{"rendered":"

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

The Panasonic ETQP4M4R7YFP is a 4.7\u00b5H metal alloy power inductor from the ETQP4M series. Designed for high-current DC-DC converter applications, it offers low DCR, high saturation current, and automotive-grade reliability in a compact 4.0×4.0mm SMD package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n
Inductance<\/td>\n4.7 \u00b5H<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b120%<\/td>\n<\/tr>\n
RMS Current (Irms)<\/td>\n~6.5 A<\/td>\n<\/tr>\n
Saturation Current (Isat)<\/td>\n~8.0 A<\/td>\n<\/tr>\n
DC Resistance (DCR)<\/td>\n~15 m\u03a9 typ<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n4040 SMD (4.0×4.0x1.5mm typ)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Metal alloy core for low core loss<\/li>\n
  • High saturation current capability<\/li>\n
  • Low DCR for high efficiency<\/li>\n
  • Shielded construction<\/li>\n
  • Automotive-grade reliability<\/li>\n
  • RoHS compliant<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Automotive DC-DC converter output inductor<\/li>\n
    • Point-of-load power supply<\/li>\n
    • FPGA and processor core supply<\/li>\n
    • Battery-powered converter<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The Panasonic ETQP4M4R7YFP is a 4.7\u00b5H metal alloy power inductor from the ETQP4M series. Designed for high-current DC-DC converter applications, it offers low DCR, high saturation current, and automotive-grade reliability in a compact 4.0×4.0mm SMD package. Key Specifications Inductance 4.7 \u00b5H Tolerance \u00b120% RMS Current (Irms) ~6.5 A Saturation Current (Isat) ~8.0 A […]<\/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":[2439],"chip_brand":[238],"class_list":["post-11167","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-mosfets","tag-etqp4m4r7yfp","chip_brand-panasonic"],"acf":{"brief_explanation":"4.7uH metal alloy inductor, ~6.5A Irms, ~8A Isat, low DCR, 4040 SMD, -40 to 125C","date_code":"","package_case":"4040 SMD (4.0x4.0x1.5mm)","in_stock":3456,"datasheet":"https:\/\/industrial.panasonic.com\/ww\/products\/inductors\/chokes\/power-inductors\/series\/ETQP4M","price":"","product_introduction":"The ETQP4M4R7YFP from Panasonic is a 4.7\u00b5H metal alloy power inductor from the ETQP4M series, designed for high-current DC-DC converter applications. The metal alloy core material provides low core loss at high frequencies, high saturation current, and excellent DC bias performance compared to ferrite-core alternatives. The shielded construction minimizes magnetic radiation. With low typical DCR of approximately 15m\u03a9, the device achieves high converter efficiency in automotive and industrial power applications.","working_principle":"The ETQP4M4R7YFP uses a metal alloy (iron-based) powder core compressed around the winding. Unlike ferrite cores that saturate abruptly, metal alloy cores exhibit a soft saturation characteristic where inductance rolls off gradually with increasing DC bias current. This soft saturation allows the inductor to maintain useful inductance well beyond the rated current, providing design margin in transient conditions. The low core loss at high switching frequencies (500kHz-2MHz) reduces temperature rise and improves converter efficiency.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>Start<\/td>Passive<\/td>Winding start terminal<\/td><\/tr>
      2<\/td>Finish<\/td>Passive<\/td>Winding finish terminal<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive DC-DC converter output filter<\/li>
      • Point-of-load switching regulator<\/li>
      • FPGA\/processor core voltage supply<\/li>
      • High-current buck converter inductor<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        ETQP4M6R8YFP<\/td>Panasonic<\/td>6.8\u00b5H higher inductance<\/td><\/tr>
        XEL4020-470ME<\/td>Coilcraft<\/td>4.7\u00b5H alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11167","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=11167"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11167\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=11167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=11167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=11167"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=11167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}