This part is a kind of semiconductor called 2SC2075.
Function of this product has Silicon NPN Epitaxial Type.
Manufacturers : Toshiba
Image and pinout :

Some of the text within the PDF file :
DataShee DataSheet 4 U .com etcom DataShee DataSheet 4 U .com etcom DataShee DataSheet 4 U .com etcom DataSheet 4 U .com [ ... ]
2SC2075 PDF Datasheet Download
