The BTB857T3-0-BL-G from Cystech Electronics is a Bipolar Junction Transistor with Emitter Base Voltage -6 V, Base Emitter Saturation Voltage -100 V, Emitter Cut off Current -50 nA, Collector Base Voltage -100 V, Collector Cut off Current -10 µA. Tags: Through Hole, PNP Transistor. More details for BTB857T3-0-BL-G can be seen below.