This part is a kind of semiconductor called 2SK350.

Function of this product has N-Channel MOSFET Transistor.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc N-Channel MOSFET Transistor isc Product Specification 2SK350 DESCRIPTION ·Drain Current –ID=10A@ TC=25℃ ·Drain Source Voltage- : VDSS= 450V(Min) ·Fast Switching Speed APPLICATIONS ·High speed power Switching ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL ARAMETER VALUE UNIT VDSS Drain-Source Voltage (VGS=0) 450 V VGS Gate-Source Voltage ±20 V ID Drain Current-continuous@ TC=25℃ 10 A Ptot Total Dissipation@TC=25℃ 100 W Tj Max. Operating Junction Temperature 150 ℃ Tstg Storage Temperature Range -55~150 ℃ isc website：www.iscsemi.com 1 isc & iscsemi is registered trademark INCHANGE Semiconductor isc N-Channel Mosfet Transistor isc Product Specification 2SK350 ·ELECTRICAL CHARACTERISTICS (TC=25℃) SYMBOL PARAMETER CONDITIONS V [ ... ]

2SK350 PDF Datasheet Download