The BCY71 from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 45 V, Collector Cut off Current 0.5 µA, Collector Emitter Breakdown Voltage 45 V, Collector Emitter Voltage 45 V. Tags: Through Hole, PNP Transistor. More details for BCY71 can be seen below.