NPN S I L I C O N T RA N S I S T O R Shantou Huashan Electronic Devices Co.,Ltd. HC4242 █ APPLICATIONS High Speed Switching And Power Amplifier. █ ABSOLUTE MAXIMUM RATINGS(Ta=25℃) TO-220 T stg ——Storage Temperature………………………… -55~150℃ T j ——Junction Temperature…………………………………150℃ PC——Collector Dissipation(Tc=25℃)……………………………40W VCBO ——Collector-Base Voltage………………………………450V 1―Base,B 2―Collector,C 3―Emitter,E VCEO——Collector-Emitter Voltage……………………………400V VEBO——Emitter-Base Voltage……………………………………10V IC——Collector Current………………………………………………7A Ib——Base Current………………………………………………2A █ ELECTRICAL CHARACTERISTICS(Ta=25℃) Symbol Characteristics Min Typ Max Unit Test Conditions BVCBO Collector-Base Breakdown Voltage 450 V IC=1mA, IE=0 BVCEO Collector-Emitter Breakdown Voltage 400 V IC=100mA, BVEBO Emitter-Base Breakdown Voltage 10 V IE=1mA,IC=0 IB=0 ICBO Collector Cut-off Current 100 μA VCB=450V, IE=0 IEBO Emitter Cut-off Current 100 μA VEB=10V, IC=0 HFE(1) DC Current Gain 15 VCE=5V, IC=0.8A HFE(2) 10 VCE=5V, IC=2A HFE(3) 10 VCE=5V, IC=4A 55 VCE(sat) Collector- Emitter Saturation Voltage 0.8 V IC=4A, IB=0.8A VBE(sat) Base-Emitter Saturation Voltage 1.2 V IC=4A, IB=0.8A █ hFE Classification A 15—28 B1 22—35 B2 B3 B4 29—42 36—49 43—55