This part is a kind of semiconductor called MBR30100PT.

Function of this product has High Voltage Dual Schottky Rectifier.

Manufacturers : Vishay

Image and pinout :

Some of the text within the PDF file :

MBR3090PT thru MBR30100PT New Product Vishay Semiconductor 0.245 (6.2) 0.225 (5.7) 0.645 (16.4) 0.625 (15.9) 0.840 (21.3) 0.820 (20.8) 123 0.160 (4.1) 0.140 (3.5) 0.795 (20.2) 0.775 (19.6) 0.225 (5.7) 0.205 (5.2) High Voltage Dual Schottky Rectifier Rev. Voltage 90 to 100 V Forward Current 30A TO-247AD 0.323 (8.2) 0.313 (7.9) 0.203 (5.16) 0.193 (4.90) 30 0.170 (4.3) 0.142 (3.6) 0.138 (3.5) 10 TYP. BOTH SIDES 0.086 (2.18) 0.076 (1.93) 0.078 REF (1.98) 10 ° 1 REF. BOTH SIDES Features • Plastic package has Underwriters Laboratory Flammability Classifications 94V-0 • Dual rectifier construction, positive center-tap • Metal silicon junction, majority carrier conduction • Low power loss, high efficiency • High current capability, low forward voltage drop • High surge [ ... ]

MBR30100PT PDF Datasheet Download