This part is a kind of semiconductor called BDW93C.

Function of this product has NPN SILICON POWER DARLINGTONS.

Manufacturers : Power Innovations Limited

Image and pinout :

Some of the text within the PDF file :

BDW93, BDW93A, BDW93B, BDW93C NPN SILICON POWER DARLINGTONS Copyright © 1997, Power Innovations Limited, UK SEPTEMBER 1993 - REVISED MARCH 1997 q Designed for Complementary Use with BDW94, BDW94A, BDW94B and BDW94C 80 W at 25°C Case Temperature 12 A Continuous Collector Current Minimum hFE of 750 at 3 V, 5 A B C E q q q TO-220 PACKAGE (TOP VIEW) 1 2 3 Pin 2 is in electrical contact with the mounting base. MDTRACA absolute maximum ratings at 25°C case temperature (unless otherwise noted) RATING BDW93 Collector-base voltage (IE = 0) BDW93A BDW93B BDW93C BDW93 Collector-emitter voltage (IB = 0) BDW93A BDW93B BDW93C Emitter-base voltage Continuous collector current Continuous base current Continuous device dissipation at (or below) 25°C case temperature (see Note 1) Continuous devic [ ... ]

BDW93C PDF Datasheet Download