View 2sc1815 datasheet:

2SC1815 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) 2SC1815 Audio Frequency General Purpose Amplifier Applications Unit: mm Driver Stage Amplifier Applications • High voltage and high current: VCEO = 50 V (min), I = 150 mA (max) C • Excellent h linearity: h = 100 (typ.) FE FE (2) at VCE = 6 V, IC = 150 mA : h (I = 0.1 mA)/h (I = 2 mA) FE C FE C = 0.95 (typ.) • Low noise: NF = 1dB (typ.) at f = 1 kHz • Complementary to 2SA1015 (O, Y, GR class) Maximum Ratings (Ta = = 25°C) = = Characteristics Symbol Rating Unit Collector-base voltage VCBO 60 V Collector-emitter voltage VCEO 50 V JEDEC TO-92 Emitter-base voltage VEBO 5 V Collector current IC 150 mA JEITA SC-43 Base current IB 50 mA TOSHIBA 2-5F1B Collector power dissipation PC 400