{"id":7555,"date":"2026-06-26T04:27:20","date_gmt":"2026-06-26T04:27:20","guid":{"rendered":"https:\/\/materialparts.com\/fds8984\/"},"modified":"2026-06-26T04:27:20","modified_gmt":"2026-06-26T04:27:20","slug":"fds8984","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/fds8984\/","title":{"rendered":"FDS8984"},"content":{"rendered":"

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

The FDS8984 from onsemi is a 30V N-channel PowerTrench MOSFET with 23mOhm RDS(ON) at 10V, 7A drain current, optimized for DC-DC converter synchronous rectification in SOIC-8 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\n\n\n
VDS<\/td>\n30 V<\/td>\n<\/tr>\n
VGS<\/td>\n+\/-20 V max<\/td>\n<\/tr>\n
\u0627\u0644\u0647\u0648\u064a\u0629 (\u0645\u0633\u062a\u0645\u0631)<\/td>\n7 A<\/td>\n<\/tr>\n
RDS(ON) at VGS=10V<\/td>\n23 mOhm max<\/td>\n<\/tr>\n
RDS(ON) at VGS=4.5V<\/td>\n30 mOhm max<\/td>\n<\/tr>\n
Gate Charge (Qg)<\/td>\nLow (100% Rg tested)<\/td>\n<\/tr>\n
\u062a\u0628\u062f\u064a\u062f \u0627\u0644\u0637\u0627\u0642\u0629<\/td>\n1.6 W<\/td>\n<\/tr>\n
Avalanche Energy<\/td>\n32 mJ<\/td>\n<\/tr>\n
Thermal Resistance (RJA)<\/td>\n78 C\/W<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOIC-8<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-55 to +150 C (TJ)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 23mOhm max RDS(ON) at VGS=10V for low conduction losses<\/li>\n
  • 30mOhm RDS(ON) at VGS=4.5V for logic-level drive<\/li>\n
  • Optimized for synchronous and conventional DC-DC converters<\/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
  • Pb-free and halogen-free<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • DC-DC converter synchronous rectifier<\/li>\n
    • Point-of-load buck converter power stage<\/li>\n
    • Motor drive and load switch<\/li>\n
    • Battery-powered DC-DC converter<\/li>\n
    • Industrial power supply switching<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The FDS8984 from onsemi is a 30V N-channel PowerTrench MOSFET with 23mOhm RDS(ON) at 10V, 7A drain current, optimized for DC-DC converter synchronous rectification in SOIC-8 package. Key Specifications VDS 30 V VGS +\/-20 V max ID (continuous) 7 A RDS(ON) at VGS=10V 23 mOhm max RDS(ON) at VGS=4.5V 30 mOhm max Gate […]<\/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":[],"chip_brand":[182],"class_list":["post-7555","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-mosfets","chip_brand-onsemi"],"acf":{"brief_explanation":"30V 7A N-ch MOSFET, 23mOhm, DC-DC sync rect, SOIC-8","date_code":"","package_case":"SOIC-8 (5.0 x 6.2 x 1.75 mm)","in_stock":5300,"datasheet":"https:\/\/www.onsemi.com\/download\/data-sheet\/pdf\/fds8984-d.pdf","price":"$0.45 @ 1ku","product_introduction":"The FDS8984 from onsemi is a 30V N-channel PowerTrench MOSFET optimized for DC-DC converter applications including synchronous rectification. The device features 23mOhm max RDS(ON) at VGS=10V and 30mOhm max at VGS=4.5V, providing low conduction losses for high-efficiency power conversion. The 7A continuous drain current rating and low gate charge make it suitable for synchronous buck converters and point-of-load regulators. The PowerTrench technology combines low RDS(ON) with fast switching speed for minimal switching losses. The SOIC-8 package provides good thermal performance with 78 C\/W thermal resistance.","working_principle":"The FDS8984 operates as an N-channel enhancement-mode PowerTrench MOSFET. (1) The PowerTrench cell structure uses a trench gate architecture that increases channel density and reduces cell size, resulting in 23mOhm max RDS(ON) at VGS=10V. The 30mOhm RDS(ON) at VGS=4.5V enables logic-level drive for 5V gate drive systems. (2) The low gate charge design minimizes the energy required to switch the MOSFET on and off, reducing switching losses in high-frequency PWM converters. The 100% Rg testing ensures consistent switching performance across production lots. (3) The 32mJ avalanche energy rating provides protection against voltage spikes from parasitic inductance in the PCB layout. The device is optimized for the low-side synchronous rectifier position in buck converters, where low RDS(ON) is critical for efficiency, and fast body diode reverse recovery reduces dead-time losses.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>S1<\/td>Source<\/td><\/tr>
      2<\/td>S1<\/td>Source<\/td><\/tr>
      3<\/td>S1<\/td>Source<\/td><\/tr>
      4<\/td>G1<\/td>Gate<\/td><\/tr>
      5<\/td>D2<\/td>Drain<\/td><\/tr>
      6<\/td>D2<\/td>Drain<\/td><\/tr>
      7<\/td>D2<\/td>Drain<\/td><\/tr>
      8<\/td>G2<\/td>Gate (second MOSFET in same pkg)<\/td><\/tr><\/table>","application_scenarios":"
      • DC-DC converter synchronous rectifier with 23mOhm RDS(ON)<\/li>
      • Point-of-load buck converter power stage at 4.5V gate drive<\/li>
      • Motor drive H-bridge with 7A current rating<\/li>
      • Battery-powered DC-DC converter with low gate charge<\/li>
      • Industrial power supply switching with avalanche protection<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        FDS8984-F40<\/td>onsemi<\/td>Same die, different test flow<\/td><\/tr>
        FDS6690A<\/td>onsemi<\/td>30V, 12A, lower RDS(ON)<\/td><\/tr>
        IRF7821TRPBF<\/td>Infineon<\/td>30V, 10A, SOIC-8<\/td><\/tr>
        SI4850BDY-T1-GE3<\/td>Vishay<\/td>30V, 8.5A, SOIC-8<\/td><\/tr>
        AO4407A<\/td>Alpha&Omega<\/td>30V, 12A, SOIC-8<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7555","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=7555"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7555\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=7555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=7555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=7555"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=7555"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}