This part is a kind of semiconductor called 2N1131.

Function of this product has SILICON PNP TRANSISTOR.

Manufacturers : Central Semiconductor

Image and pinout :

Some of the text within the PDF file :

2N1131 SILICON PNP TRANSISTOR w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR 2N1131 is a silicon PNP transistor mounted in a hermetically sealed package designed for medium current switching applications. MARKING: FULL PART NUMBER TO-39 CASE MAXIMUM RATINGS: (TA=25°C unless otherwise noted) SYMBOL Collector-Base Voltage VCBO Collector-Emitter Voltage (RBE=10Ω) VCER Collector-Emitter Voltage VCEO Emitter-Base Voltage VEBO Continuous Collector Current IC Power Dissipation (TC=25°C) PD Power Dissipation PD Operating and Storage Junction Temperature TJ, Tstg 50 50 35 5.0 0.6 2.0 0.6 -65 to +200 ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS MIN ICBO VCB=30V ICBO VCB=30V, TA=150°C ICBO VCB=50V I [ ... ]

2N1131 PDF Datasheet Download