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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9001
Pentode
1943
B7G
CV1757
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9002
Triode
1943
B7G
CV664
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9003
Pentode
1943
B7G
CV665 VT-203
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9004
Acorn Diode
1943
CV666 CV3675
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9005
Diode
1943
 
CV667
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9006
Diode
1943
CV2769
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
901A
Cathode-Ray Tube
 
 
90EG4 CV1587 E4412/B/9 ECR35
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
902P1
Cathode-Ray Tube
 
 
CV3600
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
904V
Triode
1931
B5
41MTL AC2/HL HLA2 MH41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
905
Cathode-Ray Tube
1945
 
CV736
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
906
Cathode-Ray Tube
 
 
CV737
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
90AG
Photocell
1953
 
CAG29 GA50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
90AV
Photocell
1949
B7G
CMV29 CV2132 VA50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
90C1
Voltage Stabiliser
1956
B7G
CV5173 QS1215
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
90CG
Photocell
1955
B7G
CV2133
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
90CV
Photocell
1955
B7G
CMV29 CV2134 VS50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
90EG4
Cathode-Ray Tube
 
 
901A CV1587 E4412/B/9 ECR35
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
913
Cathode-Ray Tube
1936
IO
CV2691
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
917
Photocell
1945
 
917 CE11V GL917 NU11V R59TAV VS118TA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
919
Photocell
1945
 
NU31V R82AV VS118T
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
920
Photocell
1945
920 GL920 GS149
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
921
Photocell
 
 
GL922
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
922
Photocell
1945
GS23
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
925
Photocell
1943
 
925 CE30V NU30V R61AV R64AV VS16SO
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
927
Photocell
1950
 
3530 CE25 CMG34X GL927 GS47X
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
929
Photocell
1946
 
1P39 929 GL929 VA16SO
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
929
Photocell
1946
 
1P39 IP39
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
930
Photocell
1946
 
CE30 GL930 GS16SO NU30 R61A R64A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
931A
Photomultipliers
1950
27M1 CV337
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
931B
Photomultipliers
1950
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
932
GM Tube?
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
938OS
Triode
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
953
Diode
 
 
CV738
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9531KA
Photomultipliers
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
954
Acorn Pentode
1935
CV1095 CV1579 VR95 ZA2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9549
Camera Tube (Image Orthicon)
 
 
5820A/E
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
95
Acorn Pentode
1935
CV1095 VR95
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
955
Acorn Triode
1935
CV1059 HA2 VT121
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
956
Acorn Pentode
1936
CV649
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9564
Camera Tube (Image Orthicon)
 
 
7295C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9565
Camera Tube (Image Orthicon)
 
 
7389C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
957
Acorn Triode
1944
 
CV2700
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
958
Acorn Triode
1933
 
CV650 VT-212
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
958A
Acorn Triode
1944
CV2701
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
959
Acorn Pentode
1938
CV813 CV1794
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9526B
Photomultipliers
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
95A1
Voltage Stabiliser
1955
 
CV286 QS95/10
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9604
Triode
 
 
ML8533
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9630
Klystron
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
967
Thyratron (Mercury Vapour)
 
 
5557
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9677
Camera Tube (Videcon)
 
8626
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
97
Double Diode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9784B
Photomultipliers
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9812PA
Camera Tube (Videcon)
 
 
P849
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9814PA
Camera Tube (Videcon)
 
 
P831
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9817
Camera Tube (Videcon)
 
 
P860
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
9817PA
Camera Tube (Videcon)
 
 
8626
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
991
Neon Indicator
 
 
CV651 NE16
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
994V
Triode
1933
B5
 
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