The 2N6438 from MOSPEC SEMICONDUCTOR is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 1.8 to 2.5 V, Emitter Cut off Current 100 µA, Collector Base Voltage 140 V, Collector Cut off Current 10 µA. Tags: Through Hole, PNP Transistor. More details for 2N6438 can be seen below.