{"product_id":"ao3400-sot23-n-channel-mosfet-30v-5-7a-logic-level-smd","title":"AO3400 SOT-23 N-Channel MOSFET 30V 5.7A Logic-Level SMD (10-Pack)","description":"\u003ch2\u003eAO3400 SOT-23 N-Channel MOSFET - 30V \/ 5.7A Logic-Level SMD (10-Pack)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eAO3400\u003c\/strong\u003e is a logic-level N-Channel enhancement-mode MOSFET from Alpha \u0026amp; Omega Semiconductor in a compact \u003cstrong\u003eSOT-23\u003c\/strong\u003e surface-mount package, rated at \u003cstrong\u003e30V \/ 5.7A\u003c\/strong\u003e with an ultra-low RDS(on) of \u003cstrong\u003e28m ohm\u003c\/strong\u003e. Its VGS(th) of just \u003cstrong\u003e0.45V to 1.0V\u003c\/strong\u003e ensures full enhancement from 3.3V MCU GPIO, making it one of the most capable logic-level MOSFETs in the SOT-23 package.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eAO3400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Type\u003c\/td\u003e\n\u003ctd\u003eN-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV(DS) Max\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI(D) Continuous\u003c\/td\u003e\n\u003ctd\u003e5.7A @ 25C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRDS(on) Max\u003c\/td\u003e\n\u003ctd\u003e28m ohm @ VGS=4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVGS(th)\u003c\/td\u003e\n\u003ctd\u003e0.45V - 1.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVGS Max\u003c\/td\u003e\n\u003ctd\u003e+\/-12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQg (Total Gate Charge)\u003c\/td\u003e\n\u003ctd\u003e5.4nC typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAO3400 vs Common SOT-23 N-Channel Alternatives\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003cth\u003eV(DS)\u003c\/th\u003e\n\u003cth\u003eI(D)\u003c\/th\u003e\n\u003cth\u003eRDS(on)\u003c\/th\u003e\n\u003cth\u003eVGS(th)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAO3400\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003ctd\u003e5.7A\u003c\/td\u003e\n\u003ctd\u003e28m ohm\u003c\/td\u003e\n\u003ctd\u003e0.45-1.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSI2302DS\u003c\/td\u003e\n\u003ctd\u003e20V\u003c\/td\u003e\n\u003ctd\u003e2.5A\u003c\/td\u003e\n\u003ctd\u003e85m ohm\u003c\/td\u003e\n\u003ctd\u003e0.4-1.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2N7002\u003c\/td\u003e\n\u003ctd\u003e60V\u003c\/td\u003e\n\u003ctd\u003e115mA\u003c\/td\u003e\n\u003ctd\u003e7.5 ohm\u003c\/td\u003e\n\u003ctd\u003e1.0-2.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose AO3400?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e28m ohm RDS(on)\u003c\/strong\u003e - Lowest on-resistance in SOT-23 class; minimal conduction loss at 5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.7A Current Rating\u003c\/strong\u003e - Handles motor, solenoid, and LED load switching up to 5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic-Level Gate\u003c\/strong\u003e - VGS(th) 0.45-1.0V; fully enhanced at 3.3V GPIO without gate driver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30V Rating\u003c\/strong\u003e - Safe for 12V and 24V system load switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of 10\u003c\/strong\u003e - Ideal for prototyping and small production runs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3.3V\/5V MCU GPIO low-side load switching (LED arrays, relays, motors)\u003c\/li\u003e\n\u003cli\u003eSynchronous rectifier in DC-DC buck converter\u003c\/li\u003e\n\u003cli\u003eBattery-powered device power rail enable\/disable\u003c\/li\u003e\n\u003cli\u003ePWM motor speed control from MCU GPIO\u003c\/li\u003e\n\u003cli\u003eUSB power switch and current limiting\u003c\/li\u003e\n\u003cli\u003eH-bridge low-side switch (paired with P-Channel AO3401)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can AO3400 be driven directly from ESP32 3.3V GPIO?\u003c\/strong\u003e Yes - VGS(th) max is 1.0V, so 3.3V gate drive fully enhances the device. RDS(on) at VGS=2.5V is approximately 40m ohm, still excellent for most loads.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the complementary P-Channel MOSFET for AO3400?\u003c\/strong\u003e AO3401 - P-Channel SOT-23, -30V, -4A, same package. Use AO3400 + AO3401 for complementary H-bridge or CMOS push-pull output stage.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10x AO3400 SOT-23 N-Channel MOSFET\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991507030251,"sku":"\u003cnone\u003e","price":5.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ao3400-sot23-n-channel-mosfet-smd-ic.webp?v=1761529777","url":"https:\/\/keszoox.com\/products\/ao3400-sot23-n-channel-mosfet-30v-5-7a-logic-level-smd","provider":"Keszoox","version":"1.0","type":"link"}