BUY HSM223C https://www.utsource.net/itm/p/11275668.html
HSm223C Switching Diodes 80V 100mA/0.1A SOT-23/MPAK marking A8 highspeed switch
Description: NPN Silicon Transistor Features: Low Collector-Emitter Saturation Voltage High DC Current Gain High Transition Frequency Low Noise High Breakdown Voltage Low Collector-Base Capacitance High Reliability Applications: Audio Amplifier Switching Regulator Motor Control High Speed Switching General Purpose Amplifier (For reference only)