This part is a kind of semiconductor called 2SD1460.
Function of this product has High Current Switching Applications.
Manufacturers : Toshiba
Image and pinout :
Some of the text within the PDF file :
w w a D . w S a t e e h U 4 t m o .c w w .D w t a S a e h U 4 t e .c m o w w w .D a S a t e e h U 4 t m o .c [ ... ]