The 2SD667A-B from SeCoS Corporation is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 10 µA, Collector Base Voltage 120 V, Collector Cut off Current 10 µA, Collector Emitter Breakdown Voltage 100 V. Tags: Through Hole, NPN Transistor. More details for 2SD667A-B can be seen below.