The 2N3055 from Comset Semiconductors is a Bipolar Junction Transistor with Emitter Base Voltage 7 V, Emitter Cut off Current 5 mA, Collector Base Voltage 100 V, Collector Cut off Current 5 mA, Collector Emitter Breakdown Voltage 70 V. Tags: Through Hole, NPN Transistor. More details for 2N3055 can be seen below.