The BDV66B from MOSPEC SEMICONDUCTOR is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 5 mA, Collector Base Voltage 100 V, Collector Cut off Current 0.4 mA, Collector Emitter Voltage 100 V. Tags: Through Hole, PNP Transistor. More details for BDV66B can be seen below.