Ten silicon zener diodes: Mullard OA204 (c.1957);

Ten silicon zener diodes: Mullard OA204 (c.1957); GEC SX82 (c.1957); Ferranti KS53 (c. 1960); International Rect. 1N1798 (c.1965); Texas IS5100 symetrical (c.1965); Texas 3.9 in DO7 case; GEC SX68 (c.1957); Three other unknown


Electronic Components
Object Number:
Helsdon, P.

Cite this page


We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero

Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data


Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.