This part is a kind of semiconductor called 2SA1020.

Function of this product has TRANSISTOR (POWER AMPLIFIER APPLICATIONS).

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SA1020 TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT Process) 2SA1020 Power Amplifier Applications Power Switching Applications • • • Low Collector saturation voltage: VCE (sat) = −0.5 V (max) (IC = −1 A) High-speed switching: tstg = 1.0 µs (typ.) Complementary to 2SC2655 Unit: mm Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation Junction temperature Storage temperature range Symbol VCBO VCEO VEBO IC PC Tj Tstg Rating −50 −50 −5 −2 900 150 −55 to 150 Unit V V V A mW °C °C JEDEC JEITA TOSHIBA TO-92MOD ― 2-5J1A Electrical Characteristics (Ta = 25°C) Characteristics Collector cut-off current Emitter cut-off current Collector-emitter breakdown volt [ ... ]

2SA1020 PDF Datasheet Download