The TIP42 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 40 V, Collector Emitter Breakdown Voltage 40 V, Collector Emitter Voltage 40 V, Continuous Collector Current 6000 mA. Tags: Through Hole, PNP Transistor. More details for TIP42 can be seen below.