This part is a kind of semiconductor called 2SC107.

Function of this product has 2SCxxx Transistor.

Manufacturers : ETC

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 w t a .D 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 [ ... ]

2SC107 PDF Datasheet Download