BUY PBSS5240T https://www.utsource.net/itm/p/11286841.html
PBSS5240T PNP transistors(BJT) -40V -2A 200MHz 450 -350mV/-0.35V SOT-23/SC-59 marking ZF strobe flash/DC-DCconvertor
Description: The PBSS5240T is a NPN Bipolar Transistor with a low saturation voltage and high switching speed. It is designed for use in low voltage, high frequency switching applications. Features: Low saturation voltage High switching speed Low collector-emitter saturation voltage Low collector-base capacitance Low collector-emitter capacitance Low collector-base leakage current High current gain Low noise Applications: Switching applications Low voltage, high frequency switching Low power switching Motor control Audio amplifiers Power management (For reference only)