This part is a kind of semiconductor called 1N5402.
Function of this product has STANDARD RECOVERY RECTIFIERS 50-1000 VOLTS 3.0 AMPERE.
Manufacturers : Motorola Inc
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Some of the text within the PDF file :
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by 1N5400/D Axial-Lead Standard Recovery Rectifiers Lead mounted standard recovery rectifiers are designed for use in power supplies and other applications having need of a device with the following features: • • • • • High Current to Small Size High Surge Current Capability Low Forward Voltage Drop Void–Free Economical Plastic Package Available in Volume Quantities 1N5400 thru 1N5408 1N5404 and 1N5406 are Motorola Preferred Devices Mechanical Characteristics • Case: Epoxy, Molded • Weight: 1.1 gram (approximately) • Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable • Lead and Mounting Surface Temperature for Soldering Purposes: 220°C Max. for 10 Seconds, 1/16″ fr [ ... ]