The MJD112 from KEC Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 2 mA, Collector Base Voltage 100 V, Collector Cut off Current 20 µA, Collector Emitter Voltage 100 V. Tags: Surface Mount, NPN Transistor. More details for MJD112 can be seen below.