BUY MMBTA13 https://www.utsource.net/itm/p/11276653.html
darlington transistor MMBTA13 NPN 500mA/0.5A 30V SOT-23/SC-59 markignA1X switch power amplifier
Package: SOT-23/SC-59 Manufacturer: KEC Description: The MMBTA13 is a PNP Bipolar Transistor with a maximum collector current of 500mA and a maximum collector-emitter voltage of 40V. Features: Low collector-emitter saturation voltage High current gain High switching speed Low noise High reliability Applications: Audio amplifiers Switching circuits Motor control circuits Power supplies (For reference only)