TOSHIBA Transistor Silicon NPN Triple Diffused Type 2SC4690 Power Amplifier Applications 2SC4690 Unit: mm High breakdown voltage: VCEO = 140 V (min) Complementary to 2SA1805 Suitable for use in 70-W high fidelity audio amplifier’s output stage Absolute Maximum Ratings (Tc = 25°C) Characteristics Symbol Rating Unit Collector-base voltage VCBO 140 V Collector-emitter voltage VCEO 140 V Emitter-base voltage VEBO 5 V Collector current DC IC 10 A Pulse .