This part is a kind of semiconductor called MR750.

Function of this product has (MR750 - MR760) HIGH CURRENT LEAD MOUNTED SILICON RECTIFIERS.

Manufacturers : Motorola

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Some of the text within the PDF file :

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MR750/D Designer's High Current Lead Mounted Rectifiers • Current Capacity Comparable to Chassis Mounted Rectifiers • Very High Surge Capacity • Insulated Case 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 • Shipped 1000 units per plastic bag. Available Tape and Reeled, 800 units per reel by adding a “RL’’ suffix to the part number • Marking: R750, R751, R752, R754, R758, R760 ™ Data Sheet MR750 MR751 MR752 MR754 MR756 MR758 MR760 MR754 and MR760 are Motorola Pref [ ... ]

MR750 PDF Datasheet Download