The BC807BK from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 50 V, Collector Cut off Current 5 µA, Collector Emitter Breakdown Voltage 45 V, Collector Emitter Voltage 45 V. Tags: Surface Mount, PNP Transistor. More details for BC807BK can be seen below.