This part is a kind of semiconductor called ETG81-050A.

Function of this product has POWER TRANSISTOR MODULE.

Manufacturers : Fuji Electric

Image and pinout :

Some of the text within the PDF file :

Fuji Semiconductor, Inc. - P.O. Box 702708 - Dallas, TX 75370 - 972-733-1700 - www.fujisemiconductor.com [ ... ]

ETG81-050A PDF Datasheet Download