The UMX18N-C from SeCoS Corporation is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Emitter Cut off Current 100 nA, Collector Base Voltage 15 V, Collector Cut off Current 100 nA, Collector Emitter Breakdown Voltage 12 V. Tags: Surface Mount, PNP Transistor. More details for UMX18N-C can be seen below.