The BC548C from SeCoS Corporation is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 1.1 V, Emitter Cut off Current 0.1 µA, Collector Base Voltage 30 V, Collector Cut off Current 0.1 µA. Tags: Through Hole, NPN Transistor. More details for BC548C can be seen below.