The BD679A from New Jersey Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 2 mA, Collector Base Voltage 80 V, Collector Cut off Current 2 mA, Collector Emitter Breakdown Voltage 80 V. Tags: Through Hole, NPN Transistor. More details for BD679A can be seen below.