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Valve Types and Equivalents

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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R 2
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R.
Triode
1916

TM

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R Type
Triode
1916
B4
R. TM

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R-3
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R-32
Triode
1925
UV The Shaw Base

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R-72
Rectifier HW
1943
UX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R-DY87
Solid State DY87 Rectifier HW

B9A
DY87

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R1
Rectifier FW
1932

1821 CV1443 DW2 U10 UU5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R10
Rectifier HW

2T/270K 6305 CV261 HR1 HR2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R11
Rectifier HW

19G/12 AU5 CV1111 U27 V1907 VU111

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R12
Rectifier HW
1952
6X2 CV426 EY51 SU61 U151 U43

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R13A
Rectifier FW

IO
6X5G EZ35 U147

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R14
Rectifier 2 x HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R1548-L2 910/FV
Cathode-Ray Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R16
Rectifier EHT

1T2 U37

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R17
Rectifier HW

B9A
CV2218

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R18
Rectifier HW

B9A
CV2235 EY84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R19
Rectifier EHT

B9A
1X2B CV5427

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R1AD4
Pentode

CV2237 DF62 XFR1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R2
Rectifier FW
1932
B4
1867 43IU 442BU A11B A11D CV3759 DW3 DW4/350 IW4-350 MU12 MU14 R42 R42 U14 UU3 UU4 UU5 UU60/250 UU60/250

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R2/10

CV97

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R2/38

CV98

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R20
Rectifier EHT

B9A
2J2 KY80 U26 U49

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R2018
Triode
1932
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R3
Rectifier FW

1561 1867 43IU 441U 460BU A11C APV4 AU4A CV1039 CV1569 DW4-500 DW4/350 IW4 IW4-350 IW4-500 MU14 NU17 R42 U12 U14 UU120/500 UU5 VU39A VU39

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R3/10
Bolometer

CV95

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R3/16

CV96

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R3C
Barretter

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R.4
Triode
1917

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R4
Rectifier FW
1933
B4
1561 CV1796 DW4/350 RV120/350 S11D U14 UU120/350

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R42
Rectifier FW

1867 43IU A11B A11C A11D APV4 BVA211 BVA214 BVA215 BVA216 DW4/350 IW4-350 IW4-500 MU14 R2 R3 U14 UU120/350 UU3 UU4 UU5 UU60/250

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R43
Rectifier FW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R453
Photomultiplier

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R4A
Rectifier FW

R3 UU5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R5
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R51A
Photocell

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R51AV
Photocell

CE25V CMV33X NU25V VS44X

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R52
Rectifier FW

IO
5Z4G CV1863 GZ30

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R5222A
Klystron

CV2346

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R58A
Photocell

CE4 G12 GS116AM

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R58AV
Photocell

CE4V VS116AM

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R59A
Photocell

3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU.1 PJ23 R59A WL735

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R59AV
Photocell

CE1V R59AV VS118 WL734

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R59TA
Photocell

CE11 GS118TA

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R59TAV
Photocell

917 CE11V GL917 NU11V R59TAV VS118TA

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R5V
Triode
1922

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R61A
Photocell

930 CE30 GL930 GS16SO NU30 R64A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R61AV
Photocell

925 CE30V NU30V R64AV VS16SO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R6241
Thyratron
1958
B7D
3D22 CV2851

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R64A
Photocell

930 CE30 GL930 GS16SO NU30 R61A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R64AV
Photocell

925 CE30V NU30V R61AV VS16SO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R71A
Photocell

4GC 814A CE2 GS117A NU2 WL737

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R71AV
Photocell

CE2V VS117A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R71BV
Photocell

VA117A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R71TA
Photocell

CE13 GS117ATA NU13

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R71TAV
Photocell

CE13V NU13V VS117ATA

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R71TBV
Photocell

VA117ATA

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R82AV
Photocell

919 NU31V VS118T

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R9518
Klystron

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R9729
Klystron

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

R9559
Klystron

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Radion
Triode
1924
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Radiotron
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC
Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC Special
Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC2
RCC Triode
1926
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC210
RCC Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC4
RCC Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC407
RCC Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC6
RCC Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RC607
RCC Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RD12Ta
Triode
1939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RD4
Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RE16
Triode
1917

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Rectifier
Refctifier

UV The Shaw Base

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Red Top
Triode

UX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

REL42
Triode

CV90 E1368

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

REL7
Micropup Triode

4C27 CV92

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Resistron Bivolt
Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Resistron Forvolt
Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RF30
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RFP15
Pentode
1936
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG1-125
Rectifier MV
1938

CV1263 CV1623

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG1-150
Rectifier FW
1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG1-240
Rectifier MV
1938

CV1626 CV2738

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG1-240A
Rectifier MV
1938
B4
2V/301A AU6 CV1072 CV1626 ESU101 GU50 GU51 NU16 VU72

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG1-250
Rectifier HW
1934

2V/400A 866A CV1262 GU12A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG1-75
Rectifier FW
1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG12D60
Rectifier FW
1940
De6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG250/1000
Rectifier MV
1937

GU50

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG250/2000
Rectifier MV
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG250/3000
Rectifier MV

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG3-250
Rectifier MV
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG3-250A
Rectifier MV
1938
UX4
2V/400A 3B28 866A AH201 CV32 ESU866 GU12

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG3-1250
Rectifier MV
1957

CV1629 POVT197

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG4-1000
Rectifier MV
1953

CV3670

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG4-1250
Rectifier MV
1956

2V/474C AH221 CV5 CV152 CV1629 ESU200 GU18 GU21

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG4-250
Rectifier HW

CV3667

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RG4-3000
Rectifier MV
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RGQZ1.4/0.4D
Rectifier HW
1935
B4
RGQZ1.4/0.4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RJW
Triode
1917
EVE173

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK-1851
Pentode
1938
IO
1851 CV599

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK-25
Pentode

UX7
CV3671

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK-4D32
Beam Tetrode
1959
B7A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK-707B
Reflex Klystron

IO
707B QK26

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK-715
Tetrode

B4A
715C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK20
Pentode
1935

4052A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK20A
Pentode
1938

CV704

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK23
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK25
Klystron
1962
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK28
Pentode
1938

4069A CV3672

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK28A
Pentode

CV3673

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK33
Double Triode
1938

1642 2C21 CV875

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK34
Double Triode
1943

2C34 4074A CV18 CV1061 DET19 VT-224 VT61

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK38
Triode
1938

CV2591

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK39
Beam Tetrode

UX5
807

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK44
Pentode
1938

837 CV637

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK45
Pentode
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK46
Pentode
1938
UX5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK47
Beam Tetrode
1938

814 CV629 CV3677

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK48
Pentode
1938

CV690

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK48A
Pentode

CV690

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK49
Beam Tetrode
1938

CV3679

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK58
Pentode

838 CV638 HF130

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK6112
Reflex Klystron
1954

CV2116 RK6112A VX5029

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RK72
Rectifier HW

72 CV709

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL-16
Barretter

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL12P35
Beam Tetrode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL12P50
Pentode
1941

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL12T1
Triode
1937
De6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL12T2
Triode
1945
De6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL16
Triode
1946

CV1137 EC52 VR137

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL18
Triode
1946
B3G
CV1197 EC53

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL2.4T1
Triode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL2T2
Triode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL2P3
Pentode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL37
Triode
1946

CV66 EC54

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RL7
Pentode
1941
B9G
EF54 VR136

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RPL16
Photocell

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RPL8
Photocell

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RR3-1250
Rectifier HW
1957

4B32 CV2518

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RR3-1250A
Rectifier HW
1957

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RR3-250
Rectifier HW

UX4
2G/402A 3B28 CV1835 GXU1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RS1003
Pentode
1961
F3a SRS551

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RS237
Triode

211 UV-211A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RS241
Triode
1931
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RS242
Triode
1935

RS242X

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RS242X
Triode
1935
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RS282
Triode
1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RT323
Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RT55/100
Voltage Stabiliser

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV120/350
Rectifier FW
1938
B4
DW4/350 R4 U14

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV120/500
Rectifier FW
1938

1561 DW4-500 U14

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV12P
Pentode

De6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV12P2000
Pentode
1937
De6
PV1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV12P2001
Pentode
1939
De6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV12P3000
Pentode
1943

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV12P4000
Pentode
1935

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV2.4P700
Pentode
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV2.4P701
Pentode
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV200/600
Rectifier FW
1938
B4
FW4-500 U18/20

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV258
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RV2P800
Pentode
1935

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RW2
Travelling Wave Tube
1963

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RW3
Travelling Wave Tube
1962

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RW4
Travelling Wave Tube
1962

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RW6
Travelling Wave Tube
1963

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RWO40
Backward Wave Oscillator
1962

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RX-233A
Thyratron
1943
IO
2C33 CV793

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RX3-120
Rectifier HW

CV1261 NU5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RY12-100
Rectifier HW
1958

CV2967

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RYG-10
Counter/Indicator

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RZ
Rectifier HW

40SUA C10B ID5 U4020 UR1C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RZ1-150
Rectifier FW
1934
L4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

RZ1-250
Rectifier HW

AU12 CV1266 CV2853 NU13A NU13 U15

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Red Ring
Triode

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