The MJ10020 from Mospec Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 8 V, Base Emitter Saturation Voltage 3.5 V, Emitter Cut off Current 175 mA, Collector Base Voltage 200 V, Collector Cut off Current 5 mA. Tags: Through Hole, NPN Transistor. More details for MJ10020 can be seen below.