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12J5 Pinout
basing pinout


12J5 Substitutes
Close or identical 12J5GT, CV534, CV535, VT135, VT135A
Different filament voltage 6J5

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.


12J5 Ratings
Vh Ih VaMax PaMax Cgk Cak Cga
12.6 0.15 300 2.5 3.4 3.6 3.4


12J5 Application Data
Class Va Vg1 Ia Ra S
A 90 0.0 10.0 6,700 3.0
A 250 8.0 9.0 7,700 2.6


12J5 Data sheet links
National Valve Museum 6J5: html  6J5G: html2, html3
oldradio.qrz.ru 12J5: MK buizen handboek  6J5: Brans Vademecum
Frank Philipse 12J5: .gif file, 093/1/12J5.pdf  12J5GT: 121/6/6J7GT.pdf  6J5: 082/6/6J5.pdf, 093/6/6J5.pdf, 121/6/6J5.pdf  6J5GT: 121/1/1A5GT.pdf
Virtual Valve Museum CV1067: HTML page
WPS 12J5: html page


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