TOSHIBA Transistor Silicon NPN Triple Diffused Type 2SD2525 2SD2525 Audio Frequency Power Amplifier Applications Unit: mm High DC current gain: 100 (min) Low saturation voltage: VCE (sat) = 0.4 V (typ.) (IC = 2 A, IB = 0.2 A) Complementary to 2SB1640 Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage VCBO 60 V Collector-emitter voltage VCEO 60 V Emitter-base voltage VEBO 7 V Collector current DC IC 3 A .