This part is a kind of semiconductor called MR750.

Function of this product has (MR750 - MR760) High Current Lead Mounted Rectifiers.

Manufacturers : ON Semiconductor

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Some of the text within the PDF file :

MR750 SERIES MR754 and MR760 are Preferred Devices High Current Lead Mounted Rectifiers Features • • • • Current Capacity Comparable to Chassis Mounted Rectifiers Very High Surge Capacity Insulated Case Pb−Free Packages are Available* http://onsemi.com Mechanical Characteristics: • Case: Epoxy, Molded • Weight: 2.5 grams (approximately) • Finish: All External Surfaces Corrosion Resistant and Terminal Lead • • is Readily Solderable Lead Temperature for Soldering Purposes: 260°C Max. for 10 Seconds Polarity: Cathode Polarity Band HIGH CURRENT LEAD MOUNTED SILICON RECTIFIERS 50 − 1000 VOLTS DIFFUSED JUNCTION AXIAL LEAD BUTTON CASE 194 STYLE 1 MARKING DIAGRAM MR7xx AYYWWG G MR7 = Device Code xx = 50, 51, 52, 54, 56 or 60 A = Location Code [ ... ]

MR750 PDF Datasheet Download