The SPT5008/3 from Solid State Devices is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 1.8 to 2.2 V, Emitter Cut off Current 1 mA, Collector Base Voltage 100 V, Collector Cut off Current 1 mA. Tags: Through Hole, NPN Transistor. More details for SPT5008/3 can be seen below.