View 2sc4944 datasheet:

2SC4944 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT Process) 2SC4944 Audio Frequency General Purpose Amplefier Applications Unit: mm • Small package (dual type) • High voltage and high current: V = 50 V, I = 150 mA (max) CEO C • High h : h = 120~400 FE FE • Excellent hFE linearity: hFE (IC = 0.1 mA)/hFE (IC = 2 mA) = 0.95 (typ.) • Complementary to 2SA1873 Maximum Ratings (Ta = = 25°C) (Q1, Q2 common) = = Characteristics Symbol Rating Unit Collector-base voltage VCBO 60 V Collector-emitter voltage VCEO 50 V Emitter-base voltage VEBO 5 V Collector current IC 150 mA Base current IB 30 mA PC Collector power dissipation 200 mW JEDEC ? (Note 1) JEITA ? Junction temperature Tj 125 °C TOSHIBA 2-2L1A Storage temperature range Tstg -55~125 °C Weig