{"id":6556,"date":"2026-06-18T13:52:09","date_gmt":"2026-06-18T13:52:09","guid":{"rendered":"https:\/\/materialparts.com\/irf4905strlpbf\/"},"modified":"2026-06-18T13:52:09","modified_gmt":"2026-06-18T13:52:09","slug":"irf4905strlpbf","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/irf4905strlpbf\/","title":{"rendered":"IRF4905STRLPBF"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The IRF4905STRLPBF from Infineon Technologies is a P-channel power MOSFET with -55V drain-source voltage and -74A continuous drain current. Featuring very low on-resistance of 0.02 Ohm, it is designed for high-current switching applications in a D2PAK (TO-263) package.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0646\u0648\u0639<\/td>\nP-channel Enhancement MOSFET<\/td>\n<\/tr>\n
VDS<\/td>\n-55V<\/td>\n<\/tr>\n
VGS<\/td>\n+\/-20V<\/td>\n<\/tr>\n
\u0627\u0644\u0647\u0648\u064a\u0629 (\u0645\u0633\u062a\u0645\u0631)<\/td>\n-74A<\/td>\n<\/tr>\n
RDS(\u062a\u0634\u063a\u064a\u0644)<\/td>\n0.02 Ohm (max at VGS=-10V)<\/td>\n<\/tr>\n
\u062a\u0628\u062f\u064a\u062f \u0627\u0644\u0637\u0627\u0642\u0629<\/td>\n250W<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nD2PAK (TO-263-3)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-55 to +175 C<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Very low RDS(on): 0.02 Ohm maximum<\/li>\n
  • High current capability: -74A<\/li>\n
  • \u0634\u062d\u0646\u0629 \u0628\u0648\u0627\u0628\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0644\u0644\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u0633\u0631\u064a\u0639<\/li>\n
  • Repetitive avalanche rated<\/li>\n
  • Lead-free and RoHS compliant<\/li>\n
  • Surface mount D2PAK package<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • High-side switching in automotive<\/li>\n
    • Battery disconnect switches<\/li>\n
    • DC motor H-bridge drivers<\/li>\n
    • Power management in UPS systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The IRF4905STRLPBF from Infineon Technologies is a P-channel power MOSFET with -55V drain-source voltage and -74A continuous drain current. Featuring very low on-resistance of 0.02 Ohm, it is designed for high-current switching applications in a D2PAK (TO-263) package. Key Specifications Type P-channel Enhancement MOSFET VDS -55V VGS +\/-20V ID (continuous) -74A RDS(on) 0.02 […]<\/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":[13,27],"tags":[],"chip_brand":[173],"class_list":["post-6556","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microprocessors-mpu","chip_brand-infineon"],"acf":{"brief_explanation":"P-channel -55V -74A power MOSFET, 0.02 Ohm Ron, D2PAK, Infineon","date_code":"","package_case":"D2PAK (TO-263-3)","in_stock":12385,"datasheet":"https:\/\/www.infineon.com\/dgdl\/irf4905spbf.pdf","price":"$2.15 @ 1ku","product_introduction":"The IRF4905STRLPBF is a P-channel power MOSFET from Infineon Technologies featuring -55V drain-source voltage and -74A continuous drain current. The very low on-resistance of 0.02 Ohm makes it ideal for high-current switching applications where minimal conduction loss is critical. The D2PAK (TO-263) surface mount package provides excellent thermal performance with a power dissipation rating of 250W. The device is repetitive avalanche rated and suitable for harsh automotive and industrial environments. The L prefix indicates lead-free construction compliant with RoHS directives.","working_principle":"The IRF4905STRLPBF is a P-channel enhancement-mode MOSFET where current flows from source to drain when the gate-source voltage is driven below the threshold (negative VGS). The vertical DMOS structure uses a planar stripe process to achieve low on-resistance and high current handling. When VGS exceeds the threshold magnitude, an inversion layer forms under the gate oxide, creating a conductive P-type channel. The low gate charge enables fast switching, reducing switching losses in high-frequency applications. The body diode provides a natural freewheeling path in inductive load applications.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>G<\/td>Gate<\/td><\/tr>
      2<\/td>D<\/td>Drain (tab\/heatsink)<\/td><\/tr>
      3<\/td>S<\/td>Source<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive high-side load switching with very low conduction losses<\/li>
      • Battery disconnect and protection circuits requiring high current P-channel MOSFET<\/li>
      • H-bridge motor drivers using complementary N\/P MOSFET pairs<\/li>
      • UPS and power supply OR-ing circuits with low forward voltage drop<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        IRF4905PBF<\/td>Infineon<\/td>TO-220 through-hole version<\/td><\/tr>
        IRFR9310TRPBF<\/td>Infineon<\/td>-100V, -4.5A, DPAK<\/td><\/tr>
        FQP47P06<\/td>onsemi<\/td>-60V, -47A, TO-220<\/td><\/tr>
        STD75P3LLH6<\/td>ST<\/td>-60V, -75A, D2PAK<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=6556"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6556\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6556"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6556"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}