BUY A1273 https://www.utsource.net/itm/p/1239858.html

Description: NPN Transistor Features: Low collector-emitter saturation voltage High current gain High breakdown voltage High switching speed Low noise Low collector-emitter leakage current Low collector-base leakage current Applications: Switching circuits Amplifier circuits Motor control circuits Relay drivers Solenoid drivers Lamp drivers High frequency circuits Low noise circuits (For reference only)