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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6005
Beam Tetrode
 
B7G
CV4019 M8245
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6021
Double Triode
 
CV3986 ECC70
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6027
Magnetron (X-band Pulse)
1956
 
CV5135
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6027H
Magnetron (X-band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
603
Thermal Delay Switch
1952
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6032
Image Converter
1958
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6042
Double Triode
1951
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6057
Double Triode SQ ECC83
1951
 
CV4004 M8137
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6058
Double Diode
1951
B7G
CV4025 M8079 QA2404 QS1211
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6059
Pentode
1951
B9A
CV4006
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6060
Double Triode SQ ECC81
1951
B9A
12AT7WA CV4024 M8162 QA2406
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6061
Beam Tetrode SQ 6BW6
1951
B9A
CV4043
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6062
Beam Tetrode
1951
B9A
5763 CV2129 CV4039 M8096
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6063
Rectifier FW
1951
B7G
CV4005 QA2407 U78
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6064
Pentode SQ EF91
1951
B7G
CV4014 M8083 S6F12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6065
Pentode
1951
 
CV4015 M8161 QA2400
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6066
Double Diode Triode
1951
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6067
Double Triode SQ ECC82
1951
B9A
CV4003 M8136
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6072A
Double Triode SQ
 
 
12AY7EH 12AY7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6073
Voltage Stabiliser
1951
B7G
0A2WA CV2903 CV4020 CV4100 CV8168
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6074
Voltage Stabiliser
1951
 
0B2 CV1833 CV8162
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6080
Double Triode
1951
IO
11D12 CV2984 CV5008 ECC230
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6080WA
Double Triode
1961
IO
6080 CV5008
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6080WB
Double Triode
1961
 
6080
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6080WC
Double Triode
1961
IO
6080
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6084
Pentode
1951
B9A
CV2729 E80F
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6087
Rectifier FW
 
IO
5Y3WGTB CV4027
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6097
Double Diode
1952
B7G
5726 6AL5W CV4007 E91AA M8212
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6097B
Photomultipliers
 
CV2316
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
610RC
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6100
Triode
1956
B7G
6C4WA CV4058
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6101
Double Triode
1963
B7G
6J6WA CV4031 M8081
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6101/6J6WA
Double Triode
1963
 
CV4031 M8081
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6111
Double Triode
1957
 
CV3961
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6112
Double Triode
1957
CV5007
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
612BU
Rectifier FW
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6130
Thyratron (Hydrogen)
1962
 
CV372 CV3629 FX227
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6132
Beam Tetrode
 
B9A
CV4055
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6135
Triode
1952
 
CV4022
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6136
Pentode
1957
 
6AU6WA CV2990
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6146
Beam Tetrode
1952
IO
6146A 6146B CV3523 QV06-20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6146A
Beam Tetrode
 
IO
CV9839
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6146B
Beam Tetrode
 
IO
8298A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6155
Tetrode (Power)
1957
 
C1108 CV2130 QY3-125
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6156
Tetrode (Power)
1957
 
C1112 CV2131 QY4-250
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6158
Double Triode
 
 
CV4068
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6159
Tetrode (Power)
1952
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6161
Power Triode
1952
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6166
Tetrode (Power)
1957
 
6166A CR192
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6181
Tetrode (Power)
1952
 
CR1101
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6186
Pentode
1960
 
6AG5 EF96
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6189
Double Triode
1957
B9A
CV4003 E82CC M8136
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6197
Pentode
1954
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6198
Camera Tube (Videcon)
1952
 
P810
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
61BT
Pentode
 
IO
CV1979
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
61SPT
Pentode
 
IO
CV5081
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
61SV
Photocell
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6201
Double Triode
1957
 
CV3508
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6203
Rectifier FW
1953
 
CV5009
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6205
RF Pentode SQ
1958
 
5840 CV3929 EF732
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6211
Double Triode SQ
1960
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6217
Photomultipliers
1952
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6227
Pentode
1968
 
E80L
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6252
Tetrode (Power)
 
 
C1134 CV2799
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6267
Pentode
 
B9A
6BK8 6F22 CV2901 CV4086 EF86 Z729
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6268
Thyratron
1953
 
AX-9911
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6268/4C35
Thyratron (Hydrogen)
 
 
CV1787 CV5247 FX2505
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6279
Thyratron
1953
 
AX-9912
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6279/5C22
Thyratron (Hydrogen)
 
 
8503 CV6022
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6289
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
62-TH
Triode Hexode
1950
B8A
6C10 ECH42 X150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
62-VP
Pentode
1950
B8A
6F15 EF41 W150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
62BT
Pentode
 
IO
CV1745
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
62BTR
Beam Tetrode
 
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
62DDT
Double Diode Triode
1948
 
6LD3 DH150 EBC41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
624BU
Rectifier FW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
62VP
Pentode
1950
B8A
6F15 EF41 W150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6305
Rectifier EHT
1953
 
2T/270K CV261 HR1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
631
Thyratron (Mercury Vapour)
 
 
BT5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
631-P1
Strobotron
 
 
CV220
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6326
Camera Tube (Videcon)
1958
 
7038
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6336A
Double Triode
1958
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6346
Ignitron
 
 
BK42/5551A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6347
Ignitron
 
 
BK24/5552A CV2124
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6348
Ignitron
 
 
BK146/5553B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6350
Double Triode
1957
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6354
Voltage Reference Tube
1960
 
QS1200
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
632B
Thyratron (Mercury Vapour)
 
 
BT5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6397
Subminiature Power Amplifier
 
 
XR4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
63ME
Tuning Indicator
 
IO
6G5G 6H5 6M1 6U5G VT-98 Y61 Y63
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
63SPT
Pentode
1938
B9G
ARP35 CV1091 CV1578 EF50 POVT207 VR91 VT-250 Z90
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
63TH
Triode Heptode
 
 
6C10 6CU7 ECH42
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
63TP
Triode Pentode
1950
 
6AB8 ECL80 LN152
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6414
Double Triode
1958
 
CK6414
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6421
Triode (Power)
1962
 
BR1124
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6442
Triode
1964
CV3988 ML6442
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6443
Pentode
1954
 
CV4045
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6463
Double Triode
1958
B9A
CC86E CV5304
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6481
Triode
1967
RT434
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6499
Storage Cathode-Ray Tube
1956
B14A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
64ME
Tuning Indicator
1946
IO
6CD7 6M2 EM34
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
651
Ignitron
 
 
BK24/5552A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6511
Ignitron
1954
 
BK168/5822A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6512
Ignitron
1954
 
BK44/5554 CV1742
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6513
Ignitron
1954
 
BK46/5555
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6514
Ignitron
1954
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6515
Ignitron
1954
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6516
Pentode
 
B7G
CV4063 M8082
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
652
Ignitron
 
 
BK42/5551A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6522
Thyratron (Hydrogen)
 
 
8503
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6574
Thyratron (Hydrogen)
 
IO
EN32
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6587
Thyratron (Hydrogen)
1964
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
656
Ignitron
 
 
BK24/5552A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
657
Ignitron
 
 
BK42/5551A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
65EX5
Rectifier
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
65K
Cathode-Ray Tube
1938
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
65ME
Tuning Indicator
1954
 
EM81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
65W4
Rectifier HW
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
660SU
Rectifier HW
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6626
Voltage Stabiliser
1954
 
0A2WA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6627
Voltage Stabiliser
1959
 
0A2WA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6661
Pentode
 
B7G
6BH6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6688
Pentode
 
B9A
5A/170K CV3998 E180F
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6693
Rectifier (MV)
1957
 
AH2511
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6696
Triode (Power)
1967
 
BW194
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
66KU
Rectifier FW
1954
B8A
EZ40 U150 UU9
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6700
Trochotron
1955
CV5277 ET51
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6703
Trochotron
1961
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
676
Thyratron (Mercury Vapour)
1946
 
BT17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6777
Thyratron (Hydrogen)
1960
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6786
Thyratron
1957
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
67PT
Pentode
1950
 
6CK5 EL41 N150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6807
Thyratron
 
XR1-6400
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6829
Double Triode
1960
B9A
CV9842
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
680SU
Rectifier HW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
68504
Tungar Rectifier FW
1951
GES
CV2774
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
68506
Tungar Rectifier HW
1948
GES
18049 2000
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
68508
Tungar Rectifier HW
1956
 
18049 2000
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
68510
Tungar Rectifier HW
1948
 
12X825
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
68530
Tungar Rectifier FW
1960
CV3756 U600
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
68530X
Tungar Rectifier FW
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
68532
Tungar Rectifier FW
1957
 
U235
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6861
Travelling Wave Tube
1958
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6866
Storage Cathode-Ray Tube
1956
 
CV5987 E702B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6870
Pentode
1959
B9A
CV5121
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6883B
Beam Tetrode
1964
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6922
Double Triode
1958
B9A
CV2492 Cca E88CC
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6927
Double Beam Tetrode
1955
B9A
CV2798 QQV03-10
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6928
Pentode
1955
 
6AQ5L
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6929
Image Converter
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6953
Photocell
1961
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6960
Triode (Power)
1963
 
BW1162
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6961
Triode (Power)
 
 
BR1162 CV5239
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6972
Magnetron (X-band Pulse)
1960
 
M575
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6973
Beam Tetrode
1957
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6975
Klystron (Oscillator)
1960
 
K3078
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
6977
Indicator
1957
CV5412 DM160
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