BUY MMBT4126 https://www.utsource.net/itm/p/11275692.html
MMBT4126 PNP transistors(BJT) -25V -200mA/-0.2A 250MHz 120~480 -400mV/-0.4V SOT-23/SC-59 marking C3 general amplifier
Description: PNP General Purpose Amplifier Features: Low collector-emitter saturation voltage High current gain Low noise High DC current gain Low collector-emitter leakage current High switching speed Applications: General purpose amplifier Switching applications Interface circuits Driver circuits Low noise amplifier (For reference only)