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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z14
Pentode
1940
IO
1N5GT 1N5G DF33
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z1545
Pentode
 
 
10F1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z152
Pentode
1950
B9A
6BW7 6BX6 6F28 8D6 CV1376 EF80 Z719
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z21
Tetrode
1937
B4
215SG CV1018 CV3835 CV3837 KTZ21 VR18
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z21Met
Tetrode
 
 
215SG 220SG CV3836 PM12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z211/1G
Klystron
1963
 
CV5314 VX7154
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z22
Pentode
1938
B7
2201PT ARP14 CV1333 CV1469
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z22Met
Pentode
 
 
210SPT SP2 STP2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z300T
Thyratron
1957
 
1267 G240/2D
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z303C
Counter/Indicator
1952
IO
CV2271 GC10B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z309
Pentode
1953
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z319
Pentode
1954
B9A
CV2276 VX5038
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z329
Pentode
 
B9A
30F5 7ED7 PF818
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z359
Pentode
1955
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z502S
Decade Selector Tube
1961
 
CV2325 GS10C/S GS10C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z504S
Counter/Indicator
1961
B13B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z520M
Counter/Indicator
1961
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z62
Pentode
1939
IO
ARP21 CV1192 CV3838 NR79
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z63
Pentode
1937
IO
6J7G KTZ63
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z66
Triode
1948
IO
CV3839
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z700U
Thyratron
1960
 
CCT6 CV6016
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z700W
Thyratron
1961
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z701U
Thyratron
1960
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z719
Pentode
1953
B9A
6BW7 6BX6 6F28 8D6 CV1376 EF80 Z152
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z729
Pentode
1959
 
6267 CV2901 CV4086 EF86
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z749
Pentode
1959
B9A
6EL7 6F23 EF812
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z759
Pentode
1955
B9A
CV5060
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z77
Pentode
1947
B7G
6AM6 6F12 8D3 CV138 CV4014 EF91 HP6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z800U
Cold Cathode Trigger Tube
1954
 
CV2236 VX8107
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z801U
Cold Cathode Trigger Tube
1954
 
CV2255 VX8086
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z803U
Thyratron
1955
B9A
CV2434
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z804U
Thyratron
1957
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z805U
Thyratron
1960
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z806W
Thyratron
 
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z8152
Triode
1929
B5
MH4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z8216
Triode
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z90
Pentode
1939
B9G
63SPT ARP35 CV1091 CV1578 EF50 VR91
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Z900T
Thyratron
 
B7G
CV5122 PL5823
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZA1
Acorn Pentode
1937
 
CV1175 NR54
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZA2
Pentode
1939
 
954 CV1095 CV1579
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZA5307
Triode Hexode
1938
 
6K8G CV1944
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZD
Double Diode
1936
B5
ARDD1 C20C CV1300
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZD152
Diode Pentode
 
 
6N8 EFB80 WD709
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZD17
Diode Pentode
1953
B7G
1FD9 1S5 CV784 DAF91
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZD2
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZD25
Diode Pentode
1953
 
1AH5 1FD1 DAF96
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZM1020
Numerical Indicator
 
CV5278 Z520M
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZM1022
Numerical Indicator
 
GN-4A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZM1041
Numerical Indicator
1969
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZM1080
Numerical Indicator
1970
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZM1175
Numerical Indicator
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZP1470
Geiger-Muller Tube
 
 
MX123
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ZT1011
Thyratron
1961
UX4
8063 CV5234 XR1-1600A
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