TOSHIBA Transistor Silicon NPN Triple Diffused Type 2SC5548 High Voltage Switching Applications Switching Regulator Applications DC-DC Converter Applications 2SC5548 Unit: mm High speed switching: tr = 0.5 μs (max), tf = 0.3 μs (max) (IC = 0.8 A) High collector breakdown voltage: VCEO = 370 V High DC current gain: hFE = 60 (min) (IC = 0.2 A) Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage Collector-emitter volt.