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6C4 Pinout
basing pinout


6C4 Substitutes
Close or identical CV133, CV852, EC90, L77

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.


6C4 Ratings
Vh Ih Cgk Cak Cga
6.3 0.15 1.8 1.3 1.6


6C4 Application Data
Va Vg1 Ia Ra S
250 -8.5 10.5 7,700 2.2


6C4 Data sheet links
Peter Millett 6C4: Acrobat PDF 254K
National Valve Museum 6C4: html, html2, html3
oldradio.qrz.ru 6C4: MK buizen handboek
Frank Philipse 6C4: .gif file, Acrobat PDF  L77: 126/l/L77.pdf
TubeZone 6C4: pdf
Virtual Valve Museum CV133: HTML page
WPS 6C4: html page


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