BUY MPSA20 https://www.utsource.net/itm/p/634956.html
Amplifier Transistor NPN SiliconNPN
MPSA20 is a PNP transistor manufactured by National Semiconductor. It is a general purpose amplifier and switch. Description: The MPSA20 is a PNP transistor in a TO-92 package. It has a maximum collector current of 500mA, a maximum collector-emitter voltage of 40V and a maximum power dissipation of 500mW. Features: Low collector-emitter saturation voltage High current gain High switching speed Low collector-emitter leakage current Applications: Audio amplifiers Motor control circuits Switching circuits Relay drivers (For reference only)