View 2sa817 datasheet:

2SA817 TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT process) 2SA817 Audio Frequency Amplifier Applications Unit: mm • Complementary to 2SC1627. • Suitable for driver of 20~25 watts audio amplifiers. Maximum Ratings (Ta = = 25°C) = = Characteristics Symbol Rating Unit Collector-base voltage VCBO -80 V Collector-emitter voltage VCEO -80 V Emitter-base voltage VEBO -5 V Collector current IC -300 mA Base current IB -60 mA Collector power dissipation PC 600 mW Junction temperature Tj 150 °C Storage temperature range Tstg -55~150 °C JEDEC TO-92 JEITA SC-43 TOSHIBA 2-5F1B Weight: 0.21 g (typ.) Electrical Characteristics (Ta = = 25°C) = = Characteristics Symbol Test Condition Min Typ. Max Unit Collector cut-off current ICBO VCB = -50 V, IE = 0 ? ? -0.1