This part is a kind of semiconductor called 2SK2490.

Function of this product has VZ Series Power MOSFET(180V 10A).

Manufacturers : Shindengen Electric Mfg.Co.Ltd

Image and pinout :

Some of the text within the PDF file :

SHINDENGEN VZ Series Power MOSFET N-Channel Enhancement type 2SK2490 ( F10F18VZ ) 180V 10A 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. APPLICATION •œ DC/DC converters OUTLINE DIMENSIONS Case : FTO-220 (Unit : mm) •œ Power supplies of DC 12-24V input •œ Product related to Integrated Service Digital Network RATINGS •œAbsolute Maximum Ratings • Tc i = 25•Ž•j Item Symbol Conditions Ratings Storage Temperature Tstg -55•`150 Channel Temperature Tch 150 DSS Drain-Source Voltage V 180 Gate-Source Voltage VGSS •}30 Continuous Drain Current• DC•j i ID 10 Continuous Drain Current• Peak) i IDP 20 Continuous Source Current• DC•j i IS 10 PT 40 [ ... ]

2SK2490 PDF Datasheet Download