The SFT6234/66 from Solid State Devices is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 1 to 2 V, Emitter Cut off Current 100 µA, Collector Base Voltage 300 V, Collector Cut off Current 1 mA. Tags: Through Hole, NPN Transistor. More details for SFT6234/66 can be seen below.