The BSS52 from Solitron Devices is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Base Emitter Saturation Voltage 2.2 V, Emitter Cut off Current 50 nA, Collector Base Voltage 90 V, Collector Cut off Current 50 nA. Tags: Through Hole, NPN Transistor. More details for BSS52 can be seen below.