onsemi, MMBTA56LT1G, Transistors, Bipolar (BJT) Transistors

 MMBTA56LT1G Series PNP 80 V 500 mA SMT Driver Transistor - SOT-23

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--bipolar-transistors/mmbta56lt1g-onsemi-1403906