ST 2SA1270 PNP Silicon Epitaxial Planar Transistor for switching and general purpose applications. The transistor is subdivided into two groups O and Y according to its DC current gain. On special request, these transistors can be manufactured in different pin configurations. TO-92 Plastic Package Weight approx. 0.19g Absolute Maximum Ratings (T a=25oC) Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Base Current Power Dissipation Junction Temperature St.