View 2sc3547a datasheet:

2SC3547A TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC3547A TV Tuner, UHF Oscillator Applications Unit: mm (common collector) • Transition frequency is high and dependent on current excellently. Maximum Ratings (Ta = = 25°C) = = Characteristics Symbol Rating Unit Collector-base voltage VCBO 20 V Collector-emitter voltage VCEO 12 V Emitter-base voltage VEBO 3 V Base current IB 15 mA Collector current IC 30 mA Collector power dissipation PC 150 mW Junction temperature Tj 125 °C Storage temperature range Tstg -55~125 °C JEDEC ? JEITA ? TOSHIBA 2-3F1A Weight: 0.012 g (typ.) Electrical Characteristics (Ta = = 25°C) = = Characteristics Symbol Test Condition Min Typ. Max Unit Collector cut-off current ICBO VCB = 10 V, IE = 0 ? ? 0.1 µA Emitt