This part is a kind of semiconductor called MBR35100.

Function of this product has SCHOTTKY DIODES.

Manufacturers : TRANSYS

Image and pinout :

Some of the text within the PDF file :

Transys Electronics LIMITED MBR3520(R) THRU MBR35100(R) SCHOTTKY DIODES STUD TYPE Features High Surge Capability Types up to 100V VRRM Maximum Ratings Operating Temperature: -55 C to +150 Storage Temperature: -55 C to +175 35 A 35Amp Rectifier 20-100 Volts DO-4 B N MC Part Number Maximum Recurrent Peak Reverse Voltage MBR3520( R ) 20V MBR3530( R ) 30V MBR3535( R ) MBR3540( R ) MBR3545( R ) 35V 40V 45V MBR3560( R ) 60V MBR3580( R ) 80V MBR35100( R ) 100V Maximum RMS Voltage 14V 21V 25V 28V 32V 42V 57V 70V Maximum DC Blocking Voltage 20V 30V 35V 40V 45V 60V 80V 100V Electrical Characteristics @ 25 Average Forward Current Peak Forward Surge Current Maximum NOTE (1) Instantaneous Forward Voltage Maximum Instantaneous Reverse Current At Rated DC Blocking Voltage [ ... ]

MBR35100 PDF Datasheet Download