The 2SC2921 from MOSPEC SEMICONDUCTOR is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 100 µA, Collector Base Voltage 160 V, Collector Cut off Current 100 µA, Collector Emitter Breakdown Voltage 160 V. Tags: Through Hole, NPN Transistor. More details for 2SC2921 can be seen below.