This part is a kind of semiconductor called BC212.

Function of this product has Amplifier Transistors(PNP Silicon).

Manufacturers : ON

Image and pinout :

Some of the text within the PDF file :

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Amplifier Transistors Order this document by BC212/D PNP Silicon COLLECTOR 3 2 BASE 1 EMITTER BC212,B BC213 BC214 MAXIMUM RATINGS Rating Collector – Emitter Voltage Collector – Base Voltage Emitter – Base Voltage Collector Current Continuous Total Device Dissipation @ TA = 25°C Derate above 25°C Total Device Dissipation @ TC = 25°C Derate above 25°C Operating and Storage Junction Temperature Range Symbol VCEO VCBO VEBO IC PD PD TJ, Tstg BC 212 –50 –60 BC 213 –30 –45 –5.0 –100 350 2.8 1.0 8.0 – 55 to +150 BC 214 –30 –45 Unit Vdc Vdc Vdc mAdc mW mW/°C Watts mW/°C °C 1 2 3 CASE 29–04, STYLE 17 TO–92 (TO–226AA) THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Ambient Thermal Resistance, [ ... ]

BC212 PDF Datasheet Download