This part is a kind of semiconductor called 2SD2167.

Function of this product has Power Transistor.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

Transistors 2SD2167 2SD2394 / 2SD2576 (92S-358–D310) (94L-1098-D348) 314 [ ... ]

2SD2167 PDF Datasheet Download