This part is a kind of semiconductor called 2SD402A.

Function of this product has (2SD401A / 2SD402A) Color TV Vertical Deflection Output.

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 .D w t a S a e h t e U 4 .c m o w w w .D a S a t e e h U 4 t m o .c [ ... ]

2SD402A PDF Datasheet Download