This part is a kind of semiconductor called 2N6306.

Function of this product has NPN POWER SILICON TRANSISTOR.

Manufacturers : Microsemi Corporation

Image and pinout :

Some of the text within the PDF file :

TECHNICAL DATA NPN POWER SILICON TRANSISTOR Qualified per MIL-PRF-19500/498 Devices 2N6306 2N6308 Qualified Level JAN JANTX JANTXV MAXIMUM RATINGS Ratings Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Base Current Total Power Dissipation 2N6306 2N6308 250 350 500 700 8.0 8.0 4.0 @ TC = +250C (1) 125 PT @ TC = +1000C (1) 62.5 Operating & Storage Temperature Range -65 to +200 Top, Tstg 1) Between TC = +250C and TC = +1750C, linear derating factor average = 0.833 W/0C VCEO VCBO VEBO IC IB Symbol Units Vdc Vdc Vdc Adc Adc W W 0 C TO-3 (TO-204AA)* *See Appendix A for Package Outline ELECTRICAL CHARACTERISTICS Characteristics Symbol Min. Max. Unit OFF CHARACTERISTICS Collector-Base Breakdown Voltage IC = 100 mAdc Collector-Emitter Cutoff Current V [ ... ]

2N6306 PDF Datasheet Download