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Valve Types and Equivalents

    
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Single digit 0
Single digit 1
Double digits 10 - 19
Single digit 2
Double digits 20 - 29
Single digit 3
Double digits 30 - 39
Single digit 4
Double digits 40 - 49
Single digit 5
Double digits 50 - 59
Single digit 6
Double digits 60 - 69
Single digit 7
Double digits 70 - 79
Single digit 8
Double digits 80 - 89
Single digit 9
Double digits 90 - 99
 

 

Initial letter A
Initial letter B
Initial letter C
Initial letter D
Initial letter E
Initial letter F
Initial letter G
Initial letter H
Initial letter I
Initial letter K
Initial letter L
Initial letter M
Initial letter N
Initial letter O
Initial letter P
Initial letter Q
Initial letter R
Initial letter S
Initial letter T
Initial letter U
Initial letter V
Initial letter W
Initial letter X
Initial letter Y
Initial letter Z

 

British Army A
British Army Stores Codes
British Navy N
British Air Force V
British GPO POVT

 

American Vacuum Tube VT-
 
 
 
 

 

CV 1 - 499
CV 500 - 999
CV 1000 - 1499
CV 1500 - 1999
CV 2000 - 2499
CV 2500 - 2999
CV 3500 - 3999
CV 4000 - 4099
CV numbers 5000 - end
 
A PDF file of the 1963 CV Register of Electronic Valves can be found here.
Last updated June 30, 2016
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