The KTC4075-OU from KEC Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 0.1 µA, Collector Base Voltage 60 V, Collector Cut off Current 0.1 µA, Collector Emitter Voltage 50 V. Tags: Surface Mount, NPN Transistor. More details for KTC4075-OU can be seen below.