The MJE13003-R from KEC Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 9 V, Base Emitter Saturation Voltage 1 to 1.2 V, Emitter Cut off Current 10 µA, Collector Base Voltage 700 V, Collector Cut off Current 10 µA. Tags: Through Hole, NPN Transistor. More details for MJE13003-R can be seen below.