The BTC4082S3-0-T1-G from Cystech Electronics is a Bipolar Junction Transistor with Emitter Base Voltage 3 V, Emitter Cut off Current 0.5 µA, Collector Base Voltage 30 V, Collector Cut off Current 0.5 µA, Collector Emitter Breakdown Voltage 25 V. Tags: Surface Mount, NPN Transistor. More details for BTC4082S3-0-T1-G can be seen below.