This part is a kind of semiconductor called MBR30100PT.

Function of this product has 30 Amp Schottky Barrier Rectifier.

Manufacturers : MCC

Image and pinout :

Some of the text within the PDF file :

MCC Micro Commercial Components TM
  omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# MBR30100PT








Features • • • • Metal of siliconrectifier , majonty carrier conduction Guard ring for transient protection Low power loss high efficiency High surge capacity , High current capability 30 Amp Schottky Barrier Rectifier 100Volts TO-247 B Maximum Ratings • • Operating J unction Temperature : 150 °C Storage Temperature: - 5 0°C to +150°C MCC Catalog Number MBR 30100PT Maximum Recurrent Peak Reverse Voltage 100 V Maximum RMS Voltage 70V Maximum DC Blocking Voltage 100 V 1 C E A PIN 2 3 Q P F V D K J Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forwar [ ... ]

MBR30100PT PDF Datasheet Download