The KTC4374-OU from KEC Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 100 nA, Collector Base Voltage 80 V, Collector Cut off Current 100 nA, Collector Emitter Breakdown Voltage 80 V. Tags: Surface Mount, NPN Transistor. More details for KTC4374-OU can be seen below.