The 2SC3858 from MOSPEC SEMICONDUCTOR is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Emitter Cut off Current 100 µA, Collector Base Voltage 200 V, Collector Cut off Current 100 µA, Collector Emitter Breakdown Voltage 200 V. Tags: Through Hole, NPN Transistor. More details for 2SC3858 can be seen below.