The BD681 from Comset Semiconductors is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 5 mA, Collector Base Voltage 100 V, Collector Cut off Current 2 mA, Collector Emitter Voltage 100 V. Tags: Through Hole, NPN Transistor. More details for BD681 can be seen below.