The BC857C-AU_R2_000A1 from PANJIT Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage -5 V, Base Emitter Saturation Voltage -0.9 to -0.7 V, Emitter Cut off Current -100 nA, Collector Base Voltage -50 V, Collector Cut off Current -4 µA. Tags: Surface Mount, PNP Transistor. More details for BC857C-AU_R2_000A1 can be seen below.