The NSVBC857BTT1G from onsemi is a Bipolar Junction Transistor with Emitter Base Voltage 0.6 to 0.82 V, Base Emitter Saturation Voltage 0.9 V, Collector Base Voltage 50 V, Collector Cut off Current 4 µA, Collector Emitter Breakdown Voltage 50 V. Tags: Surface Mount, PNP Transistor. More details for NSVBC857BTT1G can be seen below.