This part is a kind of semiconductor called MBR1645CT.

Function of this product has Schottky Barrier Rectifier.

Manufacturers : Inchange Semiconductor

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Some of the text within the PDF file :

INCHANGE Semiconductor Schottky Barrier Rectifier Product Specification MBR1645CT FEATURES ·Low Forward Voltage ·170℃ Operating Junction Temperature ·Guaranteed Reverse Avalanche ·Low Power Loss/High Efficiency ·High Surge Capacity ·Low Stored Charge Majority Carrier Conduction MECHANICAL CHARACTERISTICS ·Case: Epoxy, Molded ·Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable ·Lead Temperature for Soldering Purposes: 260℃ Max. for 10 Seconds ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VRRM DC Blocking Voltage 45 IF(AV) IFSM Average Rectified Forward Current (Rated VR) TC= 100℃ Nonrepetitive Peak Surge Current 8.3ms single half sine-wave superimposed on rated load conditions 16 210 TJ Junction Temperatu [ ... ]

MBR1645CT PDF Datasheet Download