{"id":6423,"date":"2026-06-16T03:14:35","date_gmt":"2026-06-16T03:14:35","guid":{"rendered":"https:\/\/materialparts.com\/si2302ds\/"},"modified":"2026-06-16T03:14:35","modified_gmt":"2026-06-16T03:14:35","slug":"si2302ds","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/si2302ds\/","title":{"rendered":"SI2302DS"},"content":{"rendered":"

Productos<\/h2>\n

The SI2302DS from Vishay is a 20V N-channel Trench MOSFET in a SOT-23 package. With RDS(on) of 65mOhm at VGS=4.5V, 2.2A continuous drain current, and logic-level gate drive, it is a popular choice for low-voltage load switching and DC-DC conversion in battery-powered and portable designs.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Drain-Source Voltage (VDSS)<\/td>\n20V<\/td>\n<\/tr>\n
Continuous Drain Current<\/td>\n2.2A (TA=25C)<\/td>\n<\/tr>\n
RDS(on) Max<\/td>\n65mOhm (VGS=4.5V)<\/td>\n<\/tr>\n
RDS(on) Max<\/td>\n85mOhm (VGS=2.5V)<\/td>\n<\/tr>\n
Gate Threshold Voltage<\/td>\n0.65V to 1.2V<\/td>\n<\/tr>\n
Power Dissipation<\/td>\n1.0W (TA=25C)<\/td>\n<\/tr>\n
Total Gate Charge<\/td>\n6nC (typical)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-55C to +150C<\/td>\n<\/tr>\n
Paquete<\/td>\nSOT-23<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Logic-level gate drive (2.5V)<\/li>\n
  • Low RDS(on): 65mOhm at 4.5V<\/li>\n
  • 2.2A in SOT-23 package<\/li>\n
  • Low gate charge: 6nC<\/li>\n
  • Trench MOSFET technology<\/li>\n
  • ESD protected<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Load switching<\/li>\n
    • Convertidores CC-CC<\/li>\n
    • Dispositivos a pilas<\/li>\n
    • Motor drive for small motors<\/li>\n
    • LED driving<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SI2302DS from Vishay is a 20V N-channel Trench MOSFET in a SOT-23 package. With RDS(on) of 65mOhm at VGS=4.5V, 2.2A continuous drain current, and logic-level gate drive, it is a popular choice for low-voltage load switching and DC-DC conversion in battery-powered and portable designs. Key Specifications Drain-Source Voltage (VDSS) 20V Continuous Drain […]<\/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":[30,13],"tags":[],"chip_brand":[136],"class_list":["post-6423","post","type-post","status-publish","format-standard","hentry","category-ac-dc-converters","category-integrated-circuits-ics","chip_brand-vishay"],"acf":{"brief_explanation":"20V N-CH MOSFET, 2.2A, 65mOhm RDS(on), logic-level, SOT-23","date_code":"","package_case":"SOT-23-3 (2.90 x 1.30 x 1.00 mm)","in_stock":80000,"datasheet":"https:\/\/www.vishay.com\/docs\/69798\/si2302ds.pdf","price":"$0.05 @ 1ku","product_introduction":"The SI2302DS from Vishay is a 20V N-channel enhancement-mode Trench MOSFET in a SOT-23 package. With RDS(on) of 65mOhm at VGS=4.5V and 2.2A continuous drain current, it provides a good balance of on-resistance and current capability in the industry's smallest power MOSFET footprint. The low gate threshold (0.65-1.2V) enables direct drive from 2.5V or 3.3V logic, and the 6nC gate charge supports fast switching. The trench MOSFET technology achieves lower RDS(on) than planar devices of the same die size. The SI2302DS is widely used in load switches, DC-DC converters, and motor drivers in portable electronics, IoT devices, and battery-powered systems.","working_principle":"The SI2302DS uses trench MOSFET technology where vertical trenches are etched into the silicon and lined with gate oxide and polysilicon gate material. When VGS exceeds the threshold (0.65-1.2V), inversion layers form on the trench sidewalls, creating multiple parallel conduction channels between source and drain. This 3D structure packs more channel width per unit die area than planar MOSFETs, achieving 65mOhm RDS(on) in a small SOT-23 die. The 6nC gate charge results from the compact die size, allowing the gate to be driven from low-power MCU GPIO pins without dedicated gate drivers. The body diode provides a natural freewheeling path for inductive loads.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>Gate<\/td>Input<\/td>Gate; drive 2.5V-4.5V for low RDS(on)<\/td><\/tr>
      2<\/td>Source<\/td>Power<\/td>Source; connects to ground or load<\/td><\/tr>
      3<\/td>Drain<\/td>Power<\/td>Drain; connects to load or supply<\/td><\/tr><\/table>","application_scenarios":"
      • Load Switch from MCU:<\/b> Controls 3.3V\/5V power rails from MCU GPIO with 65mOhm RDS(on) at 2.2A, logic-level gate eliminating need for gate driver<\/li>
      • Small DC-DC Converter:<\/b> Low-side switch in 1-2A buck converters with 6nC gate charge supporting >500kHz operation from tiny SOT-23<\/li>
      • LED String Driver:<\/b> PWM dimming of LED strings up to 2A with fast switching from logic-level gate drive in portable lighting applications<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>VDSS<\/th>ID<\/th>RDS(on)<\/th>Key Difference<\/th><\/tr>
        AO3400A<\/td>AOS<\/td>30V<\/td>5.8A<\/td>26mOhm<\/td>Higher V, I, lower RDS(on)<\/td><\/tr>
        2N7002<\/td>Generic<\/td>60V<\/td>0.3A<\/td>2Ohm<\/td>Much higher V, much higher R<\/td><\/tr>
        BSS138<\/td>Nexperia<\/td>50V<\/td>0.2A<\/td>3.5Ohm<\/td>Level shifter, low current<\/td><\/tr>
        SI2304DS<\/td>Vishay<\/td>20V<\/td>2.8A<\/td>36mOhm<\/td>Lower RDS(on), same family<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=6423"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6423\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=6423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=6423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=6423"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=6423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}