The C945H from AiT Semiconductor is a Bipolar Junction Transistor with Base Emitter Saturation Voltage 1 V, Emitter Cut off Current 0.1 µA, Collector Base Voltage 60 V, Collector Cut off Current 0.1 µA, Collector Emitter Breakdown Voltage 50 V. Tags: Surface Mount, NPN Transistor. More details for C945H can be seen below.