This part is a kind of semiconductor called 2SK2664.

Function of this product has HVX-2 Series Power MOSFET(900V 3A).

Manufacturers : Shindengen Electric Mfg.Co.Ltd

Image and pinout :

Some of the text within the PDF file :

SHINDENGEN HVX-2 Series Power MOSFET N-Channel Enhancement type 2SK2664 ( F3V90HVX2 ) 900V 3A FEATURES •œ Input capacitance (Ciss) is small. Especially, input capacitance at 0 biass is small. •œ The static Rds(on) is small. •œ The switching time is fast. •œ Avalanche resistance guaranteed. APPLICATION •œ Switching power supply of AC 240V input OUTLINE DIMENSIONS Case : TO-220 (Unit : mm) •œ High voltage power supply •œ Inverter RATINGS •œAbsolute Maximum Ratings • Tc i = 25•Ž•j Item Symbol Conditions Ratings Storage Temperature Tstg -55•`150 Channel Temperature Tch 150 Drain-Source Voltage VDSS 900 Gate-Source Voltage VGSS •}30 Continuous Drain Current• D i C•j D I 3 Continuous Drain Current• P i eak) IDP Pulse width•…10ƒÊs, Duty cycle•� [ ... ]

2SK2664 PDF Datasheet Download