{"product_id":"ao3401-sot23-p-channel-mosfet-30v-4a-smd","title":"AO3401 SOT-23 P-Channel MOSFET −30V 4A SMD (20-Pack)","description":"\u003ch2\u003eAO3401 SOT-23-3 P-Channel MOSFET — −30V \/ 4A SMD\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eAO3401\u003c\/strong\u003e is a P-Channel enhancement-mode MOSFET in a compact \u003cstrong\u003eSOT-23-3\u003c\/strong\u003e surface-mount package, rated at \u003cstrong\u003e−30V \/ 4A\u003c\/strong\u003e with an ultra-low RDS(on) of \u003cstrong\u003e52mΩ\u003c\/strong\u003e. It is widely used in load switching, reverse polarity protection, and battery management circuits in portable electronics.\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\u003eAO3401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23-3 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Type\u003c\/td\u003e\n\u003ctd\u003eP-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV(DS) Max\u003c\/td\u003e\n\u003ctd\u003e−30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI(D) Continuous\u003c\/td\u003e\n\u003ctd\u003e−4A @ 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRDS(on) Max\u003c\/td\u003e\n\u003ctd\u003e52mΩ @ VGS=−4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVGS(th)\u003c\/td\u003e\n\u003ctd\u003e−0.45V to −1.2V\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\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e20 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose AO3401?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low RDS(on)\u003c\/strong\u003e — 52mΩ minimizes conduction losses in load switch applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Gate Threshold\u003c\/strong\u003e — Fully enhanced at VGS = −4.5V, logic-level compatible with 3.3V\/5V MCUs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOT-23-3 Package\u003c\/strong\u003e — Minimal PCB footprint for space-constrained designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Reliability\u003c\/strong\u003e — AOS (Alpha \u0026amp; Omega Semiconductor) quality, widely used in consumer electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of 20\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\u003eHigh-side load switching (battery-powered devices)\u003c\/li\u003e\n\u003cli\u003eReverse polarity protection circuits\u003c\/li\u003e\n\u003cli\u003eLi-ion battery protection BMS circuits\u003c\/li\u003e\n\u003cli\u003ePower path management in USB chargers\u003c\/li\u003e\n\u003cli\u003eLED backlight control and PWM dimming\u003c\/li\u003e\n\u003cli\u003eMotor direction control (H-bridge complement)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cp\u003eCommonly paired with AO3400 (N-Channel) for complementary H-bridge or push-pull designs. Gate driver compatible with 3.3V\/5V MCU GPIO (Arduino, ESP32, STM32).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can AO3401 be driven directly from a 3.3V MCU GPIO?\u003c\/strong\u003e\u003cbr\u003eA: Yes — VGS(th) is −0.45V to −1.2V, so a 3.3V GPIO pulling gate to GND will fully enhance the device.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What’s the difference between AO3401 and AO3401A?\u003c\/strong\u003e\u003cbr\u003eA: AO3401A has slightly lower RDS(on) (45mΩ vs 52mΩ). Both are pin-compatible and interchangeable in most designs.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e20× AO3401 SOT-23-3 P-Channel MOSFET\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991484453099,"sku":"\u003cnone\u003e","price":4.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ao3401-sot23-mosfet-ic.webp?v=1761543811","url":"https:\/\/keszoox.com\/products\/ao3401-sot23-p-channel-mosfet-30v-4a-smd","provider":"Keszoox","version":"1.0","type":"link"}