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PenA4 Pinout


PenA4 Substitutes
Close or identical ARP10, CV1329, CV3638

Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application.


PenA4 Ratings

No information available

PenA4 Application Data

No information available

PenA4 Data sheet links
Andy Cowley PenA4: pdf Mullard 1937
National Valve Museum PENA4: html


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Please report any issues with the site through the forum. Some images courtesy of the Great Notley Photography Club.

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