This part is a kind of semiconductor called 2SA950.

Function of this product has Plastic-Encapsulated Transistors.

Manufacturers : TRANSYS Electronics

Image and pinout :

Some of the text within the PDF file :

Transys Electronics L I M I T E D TO-92 Plastic-Encapsulated Transistors 2SA950 FEATURE Power dissipation TRANSISTOR (PNP) TO-92 1. EMITTER PCM : 0.6 W (Tamb=25℃) Collector current A ICM : -0.8 Collector-base voltage V(BR)CBO : -35 V Operating and storage junction temperature range Tj, Tstg: -55℃ to +150℃ 2. COLLECTOR 3. BASE 1 2 3 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 VCE(sat) unless otherwise specified) Test conditions MIN -35 -30 -5 -0.1 -0.1 100 35 -0.7 V 320 TYP MAX UNIT V V V µA µA [ ... ]

2SA950 PDF Datasheet Download