The SFT4957A2GW from Solid State Devices is a Bipolar Junction Transistor with Emitter Base Voltage 3 V, Emitter Cut off Current 100 µA, Collector Base Voltage 30 V, Collector Cut off Current 100 µA, Collector Emitter Voltage 30 V. Tags: Surface Mount, PNP Transistor. More details for SFT4957A2GW can be seen below.