The BD135-C from SeCoS Corporation is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 10 µA, Collector Base Voltage 45 V, Collector Cut off Current 0.1 µA, Collector Emitter Breakdown Voltage 45 V. Tags: Through Hole, NPN Transistor. More details for BD135-C can be seen below.