This part is a kind of semiconductor called 2SB985.

Function of this product has Plastic-Encapsulated Transistors.

Manufacturers : TRANSYS Electronics Limited

Image and pinout :

Some of the text within the PDF file :

Transys Electronics L I M I T E D TO-92MOD Plastic-Encapsulated Transistors 2SB985 TO-92MOD 1. EMITTER 2. COLLECTOR 3. BASE TRANSISTOR (PNP) FEATURES Power dissipation PCM: 1 W (Tamb=25℃) Collector current -3 A ICM: Collector-base voltage -60 V V(BR)CBO: Operating and storage junction temperature range TJ, Tstg: -55℃ to +150℃ ELECTRICAL CHARACTERISTICS (Tamb=25℃ Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cut-off current Emitter cut-off current Symbol V(BR)CBO V(BR)CEO V(BR)EBO ICBO IEBO hFE(1) DC current gain hFE(2) Collector-emitter saturation voltage Base-emitter saturation voltage Transition frequency Collector output capacitance VCE(sat) VBE(sat) 123 unless otherwise specifie [ ... ]

2SB985 PDF Datasheet Download