BUY ACST4-7SB-TR https://www.utsource.net/itm/p/4143303.html
AC POWER SWITCH
Description: ACST4-7SB-TR is a SOT252 surface mount transistor manufactured by STMicroelectronics. Features: Low collector-emitter saturation voltage Low collector-emitter leakage current High current gain Low noise High switching speed Applications: Motor control Power management Automotive applications Industrial applications Lighting applications (For reference only)