The 3DD13003B-C from SeCoS Corporation is a Bipolar Junction Transistor with Emitter Base Voltage 9 V, Base Emitter Saturation Voltage 1 V, Emitter Cut off Current 100 µA, Collector Base Voltage 700 V, Collector Cut off Current 10 µA. Tags: Through Hole, NPN Transistor. More details for 3DD13003B-C can be seen below.