This part is a kind of semiconductor called MJE13005.

Function of this product has NPN SILICON POWER TRANSISTOR.

Manufacturers : ON

Image and pinout :

Some of the text within the PDF file :

MJE13005 Preferred Device SWITCHMODEt Series NPN Silicon Power Transistors These devices are designed for high−voltage, high−speed power switching inductive circuits where fall time is critical. They are particularly suited for 115 and 220 V SWITCHMODE applications such as Switching Regulator’s, Inverters, Motor Controls, Solenoid/Relay drivers and Deflection circuits. Features http://onsemi.com • VCEO(sus) 400 V • Reverse Bias SOA with Inductive Loads @ TC = 100_C • Inductive Switching Matrix 2 to 4 A, 25 and 100_C tc @ 3A, • 700 V Blocking Capability • SOA and Switching Applications Information • Pb−Free Package is Available* MAXIMUM RATINGS Rating Collector−Emitter Voltage Collector−Emitter Voltage Emitter−Base Voltage Collector Current B [ ... ]

MJE13005 PDF Datasheet Download