Transistor Type: NPN Current - Collector (Ic) (Max): 4 A Voltage - Collector Emitter Breakdown (Max): 40 V Current - Collector Cutoff (Max): 100µA (ICBO) DC Current Gain (hFE) (Min) @ Ic, Vce: 40 @ 1A, 1V Power - Max: 40 W Operating Temperature: 150°C (TJ) Mounting Type: Through Hole