This part is a kind of semiconductor called AC2.

Function of this product has Triode 1935.

Manufacturers : Philips

Image and pinout :

Some of the text within the PDF file :

page 1 2 3 4 AC2 sheet 26 27 28 FP date 1935 1935 1935 2000.01.30 [ ... ]

AC2 PDF Datasheet Download