The 2N3056A from New Jersey Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 7 V, Base Emitter Saturation Voltage 1.1 V, Emitter Cut off Current 10 nA, Collector Base Voltage 140 V, Collector Cut off Current 10 µA. Tags: Through Hole, NPN Transistor. More details for 2N3056A can be seen below.