The BUY47 from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 1.1 to 1.5 V, Collector Base Voltage 150 V, Collector Cut off Current 1 mA, Collector Emitter Breakdown Voltage 120 V. Tags: Through Hole, NPN Transistor. More details for BUY47 can be seen below.