The BD242B from Comset Semiconductors is a Bipolar Junction Transistor with Emitter Base Voltage -5 V, Emitter Cut off Current -1 mA, Collector Cut off Current -0.3 mA, Collector Emitter Voltage -80 V, Continuous Collector Current -3 A. Tags: Through Hole, PNP Transistor. More details for BD242B can be seen below.