This part is a kind of semiconductor called 2SK1105-R.
Function of this product has N-Channel Silicon Power MOSFET.
Manufacturers : Fuji Electric
Image and pinout :

Some of the text within the PDF file :
www.DataSheet.co.kr Datasheet pdf - http://www.net/ www.DataSheet.co.kr Datasheet pdf - http://www.net/ www.DataSheet.co.kr Datasheet pdf - http://www.net/ www.DataSheet.co.kr Datasheet pdf - http://www.net/ [ ... ]
2SK1105-R PDF Datasheet Download
