This part is a kind of semiconductor called 2SD2061.

Function of this product has Power Transistor(120V/ 7A).

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

Transistors 2SD1957 2SD2061 (94L-919–D301) (94L-1016-D304) 315 [ ... ]

2SD2061 PDF Datasheet Download