This part is a kind of semiconductor called 4N35.

Function of this product has STANDARD THRU HOLE CASE 730A-04.

Manufacturers : Motorola Inc

Image and pinout :

Some of the text within the PDF file :

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by 4N35/D GlobalOptoisolator™ 6-Pin DIP Optoisolators Transistor Output The 4N35, 4N36 and 4N37 devices consist of a gallium arsenide infrared emitting diode optically coupled to a monolithic silicon phototransistor detector. • Current Transfer Ratio 100% Minimum @ Specified Conditions • Guaranteed Switching Speeds • Meets or Exceeds all JEDEC Registered Specifications • To order devices that are tested and marked per VDE 0884 requirements, the suffix ”V” must be included at end of part number. VDE 0884 is a test option. Applications • General Purpose Switching Circuits • Interfacing and coupling systems of different potentials and impedances • Regulation Feedback Circuits • Monitor & Detection Circuits [ ... ]

4N35 PDF Datasheet Download