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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
80
Rectifier FW
1936
UX4
4274A CV617 VT-80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8008
Rectifier MV
1942
 
4064B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
801
Triode
1940
 
CV621
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8011
Micropup Triode
1939
VT90
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8012
Triode
1942
8012A CV662 VT-228
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8012A
Triode
1945
 
8012 CV662
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8013A
Rectifier HW
 
UX4
CV716
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8018
Beam Tetrode
1940
UX5
807 CV1060 VT-60
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8019
Triode
 
B4
VT62
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
802
Pentode
1940
UX7
CV622
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8025
Triode
1943
UX4
CV663
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
803
Triode
1937
4069A CV623 CV623 VT-106
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8039
Triode Nuvistor
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
804
Pentode
1940
UX5
CV624
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
805
Triode
1936
331A CV625
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8056
Triode Nuvistor
1965
Twelvar
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8058
Triode Nuvistor
1965
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8068
Beam Tetrode
1961
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
807
Output Beam Tetrode
1938
UX5
5B/250A ATS25A ATS25 CV124 CV1060 CV1364 CV1374 CV1572 QV05-25 RK39 VT-100 VT-100A VT60A VT60
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8072
Beam Tetrode
1962
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8077
Pentode
1961
 
7054
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
807W
Beam Tetrode
 
 
CV3809
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
808
Triode
1938
UX4
CV626
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
809
Triode
1946
UX4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8092A
Camera Tube (Image Orthicon)
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8093A
Camera Tube (Image Orthicon)
1962
 
P874
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8093A/E
Camera Tube (Image Orthicon)
 
 
P874
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8093B
Camera Tube (Image Orthicon)
 
 
P874
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8093A-L
Camera Tube (Image Orthicon)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
80S
Rectifier FW
1935
UX4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
81
Rectifier HW
1927
UX4
CV2546
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
810
Triode
1946
CV627
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
811
Triode
 
UX4
CV628 VT-217
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
811A
Triode
1954
UX4
CV5043
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
812A
Triode
1946
UX4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
813
Beam Tetrode
1954
UX7
5C/100A C143 CV26 QY2-100 TT10 VT-144
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8134
Camera Tube (Videcon)
1972
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8134V1
Camera Tube (Videcon)
1966
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8134VB
Camera Tube (Videcon)
 
 
8134V1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8136
Beam Tetrode
1958
B7G
6DK6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
814
Beam Tetrode
1948
 
CV629 RK47
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
814A
Photocell
 
 
4GC CE2 GS117A NU2 R71A WL737
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
815
Double Beam Tetrode
 
IO
CV2663 QQV04-20 QV04-20 VT-287
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8156
Beam Tetrode
1964
B12C
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
816
Rectifier MV
1957
UX4
CV724 VT-216
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8165/4-65A
Tetrode (Power)
1959
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8167
Tetrode (Power)
1959
 
4CX300A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8168
Tetrode (Power)
1963
 
4CX1000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8169
Tetrode (Power)
1965
 
4CX3000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8170
Tetrode (Power)
1969
 
4CX5000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8171
Tetrode (Power)
1972
 
4CX10000D
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8172
Tetrode (Power)
1959
 
4X150G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8173
Tetrode (Power)
1962
 
4W20000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8177
Tetrode (Power)
1962
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8179
Tetrode (Power)
1962
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8184
Tetrode (Power)
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8187
Tetrode (Pulse)
1968
 
4PR65A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8188
Tetrode (Pulse)
1962
 
4PR400A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8189
Tetrode (Pulse)
1962
 
4PR1000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8198
Travelling Wave Tube
1962
 
EM-778
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
82
Rectifier FW
1932
UX4
282 CV1773 ER82 G-82 NU-82 PH282 PH82
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8203
Nuvistor Power Triode
1964
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8205
Ignitron
1962
 
GL-8205
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8212
Triode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8213
Sub-miniature Triode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8224
High Voltage Rectifier
1965
 
ML-8224
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8233
Special Quality Pentode
1968
 
E55L
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8236
Beam Tetrode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8238
Low μ Power triode
1952
 
3X3000A1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8239
Low μ Power triode
1959
 
3X3000F1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8240
Low μ Power triode
1963
 
3W5000A1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8241
Power Triode
1963
 
3W5000F1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8243
Power Triode
1961
 
3W5000F3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8244
Power Tetrode
1963
 
4CW2000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8245
Power Tetrode
1959
 
4CX250K
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8246
Power Tetrode
1959
 
4CX250M
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8247
Power Tetrode
1962
 
4PR125A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8248
Pulse Tetrode
1962
 
4PR250C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8252W
Pulse Tetrode
1962
 
4PR60C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8258
Travelling Wave Tube
1964
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8254
Triode
1962
 
EC1000
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8255
Triode SQ 6DL4
 
B9A
8562 E88C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
825BU
Rectifier FW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
826
Power Triode
1941
 
CV630
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8268
Power Triode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8270
Thyratron
1962
 
ZT1000
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
828
Transmitting Pentode
1939
 
5B/502A 5B/503A 5B/700A CV631 D177 VT154
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8281
Transmitting tetrode
1973
 
4CX15000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8283
Power Triode
1963
 
3CX1000A7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
829
Double Beam Tetrode
1943
 
3E29 829B CV632
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8298A
Beam Tetrode
1964
IO
6146B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
829A
Double Beam Tetrode
 
 
CV633 CV3599
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
829B
Double Beam Tetrode
 
B7A
3E29 829 C144 CV632 CV2666 QQV07-40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
83
Rectifier (MV)
1932
UX4
CV618
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8301
Hydrogen Thyratron
1963
 
KU-275
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
830B
Triode
 
 
CV702
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
831
Oscillator Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
832
Double Beam Tetrode
1938
B7A
CV634 CV1088 VT-118 VT88
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8329
Thyratron (Hydrogen)
 
 
8503
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
832A
Double Beam Tetrode
1943
B7A
C180 CV788 FU-32 QQE04-20 QQV04-15
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
833
Triode
1938
 
CV2667 ES833
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
833A
Triode
 
CV635 TY4-350
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
834
Triode
1936
UX4
304A 3T50 4304CA BW11 CV1062 DET12 NT58 TY1-50 UH50 VT62
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8349
Tetrode (Power)
1963
 
4CX35000C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
835
Power Triode
1942
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8350
Power Tetrode
1962
 
4CW50000C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8352
Power Tetrode
1964
 
4CX1000K
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8353
Bi-directional Decade Counter
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8354
Hydrogen Thyratron
1964
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8356
Magnetron (X-Band Pulse)
 
 
M559
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
836
Rectifier HW
1938
UX4
CV636
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8360
Ignitron
1962
 
GL-8360
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
837
Pentode
1939
UX7
CV637 RK44
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8370
Thyratron (Hydrogen)
1962
 
FX2517
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
838
Pentode
 
 
CV638 HF130 RK58
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
838.
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8380
Power Tetrode
1964
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8382
Power Triode
1964
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8393
Triode
1965
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
83A1
Voltage Reference
1960
 
7980
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
83V
Rectifier FW
1936
UX4
CV2547
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
84
Rectifier FW
1937
UX5
6Z4 CV619 CV2548 VT-84
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
841
Triode
1938
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8413
Disc-Seal Triode
1963
 
RH7C YD1070
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8414
Pentode
1962
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8415
Power Triode
1962
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8416
Double Triode
1965
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8417
Pentode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
842
Triode
1933
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8420
Ignitron
1963
 
GL-8420
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8424
Thyratron (Hydrogen)
1963
 
8503 CV6022
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8425
Pentode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8425A
Pentode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8426A
Pentode
1958
B7G
6AU6A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
843
Triode
1938
 
CV639
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8431
Double Triode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8432
Pentode
1963
 
PL-8432
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8433
Decade Counting Tube
1961
 
Z504S
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8434
Hydrogen Diode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8435
Hydrogen Diode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8437
Power Tetrode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8438
Tetrode (Power)
1970
 
4-400A C1136
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8441
Triode
1964
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8443
Storage Cathode-Ray Tube
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8444
Pentode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8445
Triode Pentode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8446
Triode Pentode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8447
Double Diode Triode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8448
Pentode
1963
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
845
Triode
1932
38145 C845 CV735 VT-43
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8480
Camera Tube (Videcon)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8484
Camera Tube (Videcon)
 
 
P860
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8488
Thyratron (Hydrogen)
 
 
6587
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
85
Double Diode Triode
1936
UX6
CV2549
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
85-255V0.08A
Barretter
1939
B4
H85-255/80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
850
Beam Tetrode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8503
Thyratron (Hydrogen)
 
 
CV6022
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8507
Camera Tube (Videcon)
 
 
8507A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8507A
Camera Tube (Videcon)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8541
Camera Tube (Videcon)
 
 
8541A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8541A
Camera Tube (Videcon)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8463
Pentode
1964
 
YL1000
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8532
Triode
1964
B7G
6J4 CV1763 CV5029 CV5311
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8533
Triode
1971
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8553
Thyratron (Hydrogen)
 
 
FX2507
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8566
Camera Tube (Videcon)
 
 
8626
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8572
Camera Tube (Videcon)
 
 
8572A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8572A
Camera Tube (Videcon)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
857B
Rectifier MV
 
 
AH205/857B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8580
Double Beam Tetrode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8590
Beam Tetrode
1970
 
4CPX250K
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
85A1
Voltage Stabiliser
1948
B8B
CV431
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
85A2
Voltage Stabiliser
1950
B7G
0G3 CV449 CV4048 QS1209 QS83/3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
85A3
Voltage Stabiliser
 
5783 5783WA CV3933 CV3960 M8190
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
85D
Pentode
 
 
XFY10
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
860
Power Tetrode
 
CV640 VT-17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8604
Camera Tube (Videcon)
 
 
P844
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8608
Beam Tetrode
1965
B9A
EL5070
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8613
Thyratron (Hydrogen)
1969
FX2507
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8625
Camera Tube (Videcon)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8626
Camera Tube (Videcon)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8627
Triode Nuvistor
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
866
Rectifier HW
1938
UX4
2V/400A 866A CV2677 DQ2 ESU866 VT-46
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8660
Tetrode (Power)
 
 
4CX1500B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
866A
Rectifier HW
1938
UX4
2V/400A 3B28 AH201 CV32 CV32 DQ2 ESU866 GU12 RG3-250A VT-46A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
866JR
Rectifier HW
 
CV2679
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
868
Photocell
 
 
3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU.1 PJ23 R59A WL735
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8684
Magnetron
 
 
BM25L
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
869B
Rectifier MV
 
 
4078A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
872
Rectifier MV
 
 
4064B 872A AH217 CV642 ESU872
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
872A
Rectifier MV
1938
4064B 872 AH217 CE-872A CV642 ESU872 GL872A RK872A VT-42A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
874
Voltage Stabiliser
 
UX4
CV643
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
878
Rectifier HW
1936
 
CV2683
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
878A
Rectifier HW
1936
UX4
CV2683
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
879
Rectifier EHT
1939
 
2B21 2X2A 2X2 CV597 VT-119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8803
Thyratron (Hydrogen)
 
 
CV1787 CV5247 FX2505
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
884
Thyratron
1938
IO
6Q5G CV647 VT-222
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
8844
Camera Tube (Videcon)
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
885
Thyratron
1935
UX5
2B4 CV648
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
889
Triode
 
 
ESW5000
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
889R
Triode
 
 
EHA5000
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
892R
Triode (Power)
 
 
BR175 ESA892
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
89
Pentode
1936
UX6
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
89J
Cathode-Ray Tube
1950
 
CV2750
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