This part is a kind of semiconductor called USR120PP6A.

Function of this product has Custom snubber module.

Manufacturers : Origin

Image and pinout :

Some of the text within the PDF file :

CAT.NO.D-1001 P.1/5 Free Datasheet http:// CAT.NO.D-1001 P.2/5 / Free Datasheet http:// CAT.NO.D-1001 P.3/5 Free Datasheet http:// CAT.NO.D-1001 P.4/5 Free Datasheet http:// CAT.NO.D-1001 P.5/5 IP VP V IP A s s VP V V V 061027 TA5 Free Datasheet http:// [ ... ]

USR120PP6A PDF Datasheet Download