


The NCV8402ASTT1G is a self-protected low-side smart power switch from onsemi, integrating a power MOSFET with built-in protection functions including overcurrent, overtemperature, overvoltage protection, and inductive load clamping. Designed for automotive and industrial applications, it supports up to 42V operation and ~2A load current, with auto-restart fault recovery and AEC-Q101 qualification. Packaged in SOT-223, it is ideal for driving motors, solenoids, relays, LED loads, and general-purpose power switching in automotive body control, industrial automation, and embedded systems.



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