The 2N158 from New Jersey Semiconductor is a Bipolar Junction Transistor with Emitter Cut off Current 0.5 mA, Collector Base Voltage -60 V, Collector Cut off Current 1 mA, Collector Emitter Voltage -60 V, Continuous Collector Current 3 A. Tags: Through Hole, PNP Transistor. More details for 2N158 can be seen below.