View 2n3055re datasheet:

Order this document MOTOROLA by 2N3055/D SEMICONDUCTOR TECHNICAL DATA NPN 2N3055 * Complementary Silicon Power PNP MJ2955* Transistors . . . designed for general–purpose switching and amplifier applications. *Motorola Preferred Device • DC Current Gain — hFE = 20–70 @ IC = 4 Adc • Collector–Emitter Saturation Voltage — 15 AMPERE VCE(sat) = 1.1 Vdc (Max) @ IC = 4 Adc POWER TRANSISTORS • Excellent Safe Operating Area COMPLEMENTARY IIIIIIIIIIIII IIIII IIIII III SILICON 60 VOLTS IIIIIIIIIIIII IIIII IIIIIIIIIIIII IIIII IIIII III IIIII III MAXIMUM RATINGS 115 WATTS IIIIIIIIIIIII IIIII IIIIIIIIIIIII IIIII IIIIIIIIIIIII IIIII IIIII III IIIII III IIIII III Rating Symbol Value Unit IIIIIIIIIIIII IIIII IIIIIIIIIIIII IIIII IIIIIIIIIIIII IIIII IIIIIIIIIIIII IIIII III