These are very common, high quality BJT, PNP transistors made by ST Micro.
Features
Transistor Type: PNP
Collector-Base Voltage (IE = 0) -60 V
Collector-Emitter Voltage (IB = 0) -40 V
Emitter-Base Voltage (IC = 0) -6 V
Collector Current -200 mA
Package: TO-92-3
Specification
