This part is a kind of semiconductor called MBR35100.

Function of this product has 35A SCHOTTKY BARRIER RECTFIER.

Manufacturers : Digitron Semiconductors

Image and pinout :

Some of the text within the PDF file :

MBR3520-MBR35100 High-reliability discrete products and engineering services since 1977 35A SCHOTTKY BARRIER RECTFIER FEATURES  Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.  Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Part Number Maximum recurrent peak reverse voltage MBR3520 20V MBR3530 30V MBR3535 35V MBR3540 40V MBR3545 45V MBR3560 60V MBR3580 80V MBR35100 100V Maximum RMS voltage 14V 21V 24.5V 28V 31.5V 42V 56V 70V Maximum DC blocking voltage 20V 30V 35V 40V 45V 60V 80V 100V ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Parameter Symbol Average forward current Peak forward surge current IF(AV) [ ... ]

MBR35100 PDF Datasheet Download