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Valve Types and Equivalents

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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3
AF Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3-250A
Power Triode
1946

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3-25D3
Triode (Power)
1945

3C24

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/105B
Triode

CV809

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/108A
Triode
1947
CV1653

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/141A
Triode
1946

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/144AY
Triode
1940
UV The Shaw Base
4104D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/146J
Triode
1947
CV16 CV53

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/147J
Triode

CV82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/148J
Triode

3A/145J CV88

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/154M
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A/167M
Triode

B8B
437A CV5112 EC20

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A3
Rectifier EHT
1954
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A4
Pentode
1945
B7G
CV807 CV2390 DL93 E1485

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A5
Double Triode
1942
B7G
CV808 DCC90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3A8GT
Diode Triode Pentode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3AFP31
Cathode-Ray Tube
1960
B9G
24D DH7-91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3AL5
Double Diode
1955
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3AP1
Cathode-Ray Tube

CV602

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3AV6
Double Diode Triode
1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3AZP31
Cathode-Ray Tube
1963
CV8108 DHM9-11

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/102B
Triode

4033A CV84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/151A
Triode
1937

4205E CV1648 M4205E

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/200B
Triode

CV1047 T20G TZ05-20 VT47

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/24W
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/240M
Triode

B8B
CV2214

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/241M
Triode

CV5116

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/29
Rectifier HW

3B24W

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/401J
Triode

CV127 DV34 S30A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B/501A
Triode

CV49

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B2
Diode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B21
Rectifier FW

38401 CV2959 EL302.5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B22
Rectifier FW
1953
UX4
CV3815 EL1C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B24
Rectifier HW

UX4
732A CV709 CV812

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B24W
Rectifier HW

UX4
CV2858

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B24WA
Rectifier HW

UX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B26
Rectifier HW
1959

CV3575

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B28
Rectifier HW
1952
UX4
2V/400A 3885A 866A AH201 CV32 CV1835 ESU866 RG3-250A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B4
Pentode
1948
B7G
CV2240 DL98 HD30

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3B7
Double Triode
1949
B8B
1291 VT-182

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3BP1
Cathode-Ray Tube
1944
B14A
CV814

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C22
Triode

CV999

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C23
Thyratron
1945
UX4
GL3C23

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C24
Triode
1945
UX4
25T 3-25D3 B1109 CV789 HK24G PE130A VT-204

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C33
Double Triode
1946
B7A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C34
Triode

25T CV941 HK24

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C4
Pentode
1953

1P1 DL96 N25

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C45
Thyratron (Hydrogen)

UX4
BT79 CV372 FX227 XH3-045

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C45/6130
Thyratron (Hydrogen)

FX227

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C45/PL345
Thyratron (Hydrogen)

FX227

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3CP1-S1
Cathode-Ray Tube
1942
1808-P1 VT-248

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3C800E
Triode (Power)

B1153

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3CX100A5
Triode (Power)

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3CX3000A7
Triode (Power)

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3D
Magnetron
1940
CV1255 E1189

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3D6
Output Beam Tetrode
1942

1299A 1299 3D6/1299 CV815 DL29 VT-185

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3D6/1299
Pentode
1942

3D6 CV815

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3D22
Thyratron
1958
B7D
3870A 4G/401A CV2851 R6241

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3DP1
Cathode-Ray Tube
1942
CV816

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3DT6
Pentode
1957
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3E29
Double Beam Tetrode

B7A
829 829B CV632

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3EG1
Cathode-Ray Tube
1958

CV1526

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3F10TA
Triode (Power)

BW179

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3F10TR
Triode (Power)

BR179

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3F15TR
Triode (Power)

BR161

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3G15
Thyratron (Xenon)

AFX203

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3GK5
Triode
1961
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3J/121E
Triode (Power)

ACT9 CV28

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3J/192E
Triode (Power)

BR1165

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3J/202E
Triode (Power)

BR1162

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3K3000LQ
Klystron ( CW Amplifier)

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3K50000LF
Klystron ( CW Amplifier)

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3KM3000LA
Klystron ( CW Amplifier)

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3L5T
Triode (Power)

BR1162

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3NF
Triple Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3NP4
Cathode-Ray Tube

CV1737 MW6/2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3Q4
Pentode
1950
B7G
CV818 DL95 N18

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3Q5
Output Beam Tetrode

IO
CV819 DL33 N16

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3Q5GT
Pentode
1938
IO
CV819 DL33 N16

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3RP1A
Cathode-Ray Tube
1955
B12A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3S4
Output Beam Tetrode
1941
B7G
1P10 CV484 CV820 DL92 N17

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3S4/DL92
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3V/340B
Thyratron (Mercury Vapour)

BT19

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3V/390B
Thyratron (Mercury Vapour)

BT5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3V4
Pentode
1946
B7G
1P11 CV1633 DL94 N19

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3V4/DL94
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3V/490A
Thyratron (Mercury Vapour)

BT17

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3V/500A
Thyratron (Mercury Vapour)

BT95

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3V5T
Triode (Power)

BW1162

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

3X2500A3
Power Triode
1946

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