This part is a kind of semiconductor called 2N1131.

Function of this product has LOW POWER PNP SILICON TRANSISTOR.

Manufacturers : Microsemi

Image and pinout :

Some of the text within the PDF file :

TECHNICAL DATA LOW POWER PNP SILICON TRANSISTOR Qualified per MIL-PRF-19500/177 Devices 2N1131 2N1131L 2N1132 2N1132L Qualified Level JAN JANTX TO-39* MAXIMUM RATINGS Ratings Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Total Power Dissipation Symbol VCEO VCBO VEBO IC PT Top, Tj All Units 40 50 5.0 600 0.6 2.0 -65 to +200 Units Vdc Vdc Vdc mAdc W W °C @ TA = +250C(1) @ TC = +250C(2) Operating & Storage Temperature Range 1) Derate linearly 3.4 mW/0C for TA ≥ +250C 2) Derate linearly 11.4 mW/0C for TC ≥ +250C 2N1131, 2N1132 TO-5* 2N1311L, 2N1312L *See appendix A for package outline ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted) Characteristics Symbol OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage V(BR)CEO IC = 1 [ ... ]

2N1131 PDF Datasheet Download