This part is a kind of semiconductor called DS2002SF.
Function of this product has Rectifier Diode.
Manufacturers : Dynex Semiconductor
Image and pinout :

Some of the text within the PDF file :
DS2002SF DS2002SF Rectifier Diode Replaces September 2001 version, DS4178-5.0 DS4178-5.1 December 2001 APPLICATIONS s Rectification s Freewheel Diode s DC Motor Control s Power Supplies s Welding s Battery Chargers KEY PARAMETERS VRRM 1800V IF(AV) 2996A IFSM 41250A FEATURES s Double Side Cooling s High Surge Capability VOLTAGE RATINGS Type Number Repetitive Peak Reverse Voltage VRRM V Conditions DS2002SF18 1800 DS2002SF17 1700 DS2002SF16 1600 DS2002SF15 1500 DS2002SF14 1400 DS2002SF13 1300 Lower voltage grades available. VRSM = VRRM + 100V Outline type code: F See Package Details for further information. Fig. 1 Package outline ORDERING INFORMATION When ordering, select the required part number shown in the Voltage Ratings selection table, e.g.: DS2002SF16 Note: Please use the comp [ ... ]
DS2002SF PDF Datasheet Download
