The BUV48A from MOSPEC SEMICONDUCTOR is a Bipolar Junction Transistor with Emitter Base Voltage 7 V, Base Emitter Saturation Voltage 1.6 V, Emitter Cut off Current 1 mA, Collector Base Voltage 1000 V, Collector Cut off Current 4 mA. Tags: Through Hole, NPN Transistor. More details for BUV48A can be seen below.