{"id":6281,"date":"2026-06-12T11:13:28","date_gmt":"2026-06-12T11:13:28","guid":{"rendered":"https:\/\/materialparts.com\/csd16340q3\/"},"modified":"2026-06-12T11:13:28","modified_gmt":"2026-06-12T11:13:28","slug":"csd16340q3","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/csd16340q3\/","title":{"rendered":"CSD16340Q3"},"content":{"rendered":"

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

The CSD16340Q3 from Texas Instruments is an N-Channel NexFET Power MOSFET rated at 25V, 25A with an ultra-low RDS(on) of 3.7m\u03a9. Designed in a compact SON 5×6 package, it is optimized for synchronous buck converter low-side applications where low conduction loss and fast switching are critical.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
VDSS<\/td>\n25V<\/td>\n<\/tr>\n
\u8eab\u4efd\u8bc1<\/td>\n25A<\/td>\n<\/tr>\n
RDS(on) (typ)<\/td>\n3.7m\u03a9 @VGS=4.5V<\/td>\n<\/tr>\n
RDS(on) (max)<\/td>\n4.9m\u03a9 @VGS=4.5V<\/td>\n<\/tr>\n
VGS(th)<\/td>\n0.7V – 1.5V<\/td>\n<\/tr>\n
Qg (typ)<\/td>\n7.5nC @VGS=4.5V<\/td>\n<\/tr>\n
FOM (Qg\u00d7RDS(on))<\/td>\n28 (typ)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSON 5×6 (0.5mm pitch)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55\u00b0C \u81f3 +150\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Ultra-low RDS(on) of 3.7m\u03a9 for minimal conduction loss<\/li>\n
  • Industry-leading Figure of Merit (FOM) of 28<\/li>\n
  • Low gate charge of 7.5nC for fast switching<\/li>\n
  • SON 5×6 package with 0.5mm pitch for compact layout<\/li>\n
  • Logic-level gate drive compatible<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • DC-DC synchronous buck converters (low-side)<\/li>\n
    • Point-of-load (POL) power modules<\/li>\n
    • Server and telecom power supplies<\/li>\n
    • Motor drive and load switches<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The CSD16340Q3 from Texas Instruments is an N-Channel NexFET Power MOSFET rated at 25V, 25A with an ultra-low RDS(on) of 3.7m\u03a9. Designed in a compact SON 5×6 package, it is optimized for synchronous buck converter low-side applications where low conduction loss and fast switching are critical. Key Specifications VDSS 25V ID 25A RDS(on) […]<\/p>\n","protected":false},"author":2,"featured_media":6378,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,56],"tags":[],"chip_brand":[138],"class_list":["post-6281","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-mosfets","chip_brand-ti"],"acf":{"brief_explanation":"25V N-Channel NexFET MOSFET, 25A, 3.7m\u03a9, SON 5x6, optimized for synchronous buck low-side","date_code":"","package_case":"SON 5x6 (0.5mm pitch)","in_stock":10622,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/csd16340q3.pdf","price":"$0.48 @1ku","product_introduction":"The CSD16340Q3 is a 25V N-Channel NexFET power MOSFET from Texas Instruments, engineered for high-efficiency synchronous buck converter applications. With an ultra-low RDS(on) of 3.7m\u03a9 and gate charge of just 7.5nC, it delivers an industry-leading Figure of Merit (FOM) of 28, enabling superior power conversion efficiency. The SON 5x6 package with 0.5mm pitch provides excellent thermal performance in a compact footprint, making it ideal for space-constrained power supply designs.","working_principle":"The CSD16340Q3 operates as an N-Channel enhancement-mode MOSFET. When a gate-source voltage above the threshold (0.7-1.5V) is applied, the conductive channel forms, allowing current to flow from drain to source. The NexFET trench technology minimizes RDS(on) to 3.7m\u03a9, dramatically reducing conduction losses (I\u00b2R). The low gate charge (7.5nC) enables fast switching transitions, minimizing switching losses during PWM operation. In synchronous buck topology, it serves as the low-side switch, replacing the Schottky diode to achieve higher efficiency by eliminating the diode forward voltage drop.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>Source<\/td>Source terminal \/ Power ground<\/td><\/tr>
      2<\/td>Gate<\/td>Gate control input<\/td><\/tr>
      3<\/td>Drain<\/td>Drain terminal \/ Power output<\/td><\/tr>
      Pad<\/td>Drain<\/td>Exposed thermal pad (Drain)<\/td><\/tr><\/table>","application_scenarios":"
      • DC-DC synchronous buck converters (low-side MOSFET)<\/li>
      • Point-of-load (POL) power modules for servers and telecom<\/li>
      • Motor drive H-bridge configurations<\/li>
      • Battery-powered portable device power management<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>VDSS<\/th>RDS(on)<\/th>Package<\/th><\/tr>
        CSD16325Q5<\/td>TI<\/td>25V<\/td>2.6m\u03a9<\/td>SON 5x6<\/td><\/tr>
        CSD17573Q5B<\/td>TI<\/td>30V<\/td>3.2m\u03a9<\/td>SON 5x6<\/td><\/tr>
        SI7860DP<\/td>Vishay<\/td>30V<\/td>4.2m\u03a9<\/td>PowerPAK SO-8<\/td><\/tr>
        FDD8580<\/td>onsemi<\/td>30V<\/td>5.8m\u03a9<\/td>SO-8<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=6281"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6281\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/6378"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6281"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}