{"product_id":"ao3401-a19t-p-channel-mosfet-sot23-30v","title":"AO3401 A19T P-Channel MOSFET SOT-23 30V","description":"\u003ch2\u003eAO3401 A19T P-Channel MOSFET SOT-23 30V\u003c\/h2\u003e\n\u003cp\u003eThe AO3401, commonly marked A19T, is a compact P-channel enhancement MOSFET in SOT-23 package for low-voltage power management, high-side load switching, battery circuits, reverse-polarity protection, and PCB repair. It is useful for Arduino, ESP32, Raspberry Pi, STM32, embedded systems, mobile repair, laptop repair, and general electronics projects in Pakistan.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eP-channel enhancement MOSFET for compact power-switching circuits\u003c\/li\u003e\n  \u003cli\u003eSOT-23 SMD package for PCB repair and small electronics designs\u003c\/li\u003e\n  \u003cli\u003eCommon top marking: A19T \/ AO3401 series\u003c\/li\u003e\n  \u003cli\u003e30 V drain-source voltage class\u003c\/li\u003e\n  \u003cli\u003eSuitable for high-side switching, battery protection, load switching, and power management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eAO3401 \/ A19T marking\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDevice type\u003c\/td\u003e\n\u003ctd\u003eP-channel enhancement MOSFET\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\u003eDrain-source voltage\u003c\/td\u003e\n\u003ctd\u003e-30 V class\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDrain current\u003c\/td\u003e\n\u003ctd\u003eAbout -4 A class under datasheet conditions; derate for real PCB layouts\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGate drive\u003c\/td\u003e\n\u003ctd\u003eLogic-level operation commonly specified around -2.5 V, -4.5 V, and -10 V gate drive conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMounting type\u003c\/td\u003e\n\u003ctd\u003eSurface mount\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRecommended use\u003c\/td\u003e\n\u003ctd\u003eHigh-side switching, battery circuits, load switching, reverse-polarity protection, PCB repair\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePackage includes\u003c\/td\u003e\n\u003ctd\u003e1 x AO3401 \/ A19T SOT-23 MOSFET\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-side load switching circuits\u003c\/li\u003e\n  \u003cli\u003eBattery input switching and protection\u003c\/li\u003e\n  \u003cli\u003eReverse-polarity protection circuits\u003c\/li\u003e\n  \u003cli\u003ePower management and DC switching projects\u003c\/li\u003e\n  \u003cli\u003eArduino, ESP32, Raspberry Pi, and STM32 projects\u003c\/li\u003e\n  \u003cli\u003eMobile, laptop, and PCB-level repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs AO3401 a P-channel MOSFET?\u003c\/strong\u003e\u003cbr\u003eYes. AO3401 \/ A19T is a P-channel enhancement-mode MOSFET.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat package is this MOSFET?\u003c\/strong\u003e\u003cbr\u003eIt is supplied in SOT-23 surface-mount package.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does A19T mean?\u003c\/strong\u003e\u003cbr\u003eA19T is a common SMD top marking used for AO3401-series P-channel MOSFETs. Always match marking, package, and pinout before replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with Arduino or ESP32?\u003c\/strong\u003e\u003cbr\u003eYes, it can be used in suitable power-switching circuits, but the gate drive, load current, polarity, and heat must be checked.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for high-side switching?\u003c\/strong\u003e\u003cbr\u003eYes. P-channel MOSFETs like AO3401 are commonly used for high-side load switching in low-voltage circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for PCB repair?\u003c\/strong\u003e\u003cbr\u003eYes. It is useful for repair work when the original component uses the same marking, package, polarity, and pinout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs AO3401 the same as AO3400?\u003c\/strong\u003e\u003cbr\u003eNo. AO3401 is P-channel, while AO3400 is N-channel. They are not direct polarity substitutes in the same circuit.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eSMD markings can vary by manufacturer and batch. Before repair, production, or power use, verify the exact datasheet, pinout, voltage rating, current rating, gate drive, and thermal limits for your circuit.\u003c\/p\u003e","brand":"Embeded Studio","offers":[{"title":"Default Title","offer_id":62288053797234,"sku":"ES-AO3401-A19T-SOT23","price":15.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/7935\/3202\/files\/AO3401A19T.webp?v=1788545445","url":"https:\/\/embededstudio.com\/products\/ao3401-a19t-p-channel-mosfet-sot23-30v","provider":"Embeded Studio","version":"1.0","type":"link"}