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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B
Triode
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B109
Double Triode
1954
 
10L14 26AQ8 UCC85
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B11
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B1109
Triode
1945
 
3C24 CV789 HK24G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B1152
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B1153
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B152
Double Triode
 
 
12AT7 B309 ECC81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B2
Triode
1923
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B20
Double Triode
1924
 
CV2865
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B21
Double Triode (Class B)
1933
 
CV2864
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B23
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B23/S280
Bolometer
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B3
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B30
Double Triode
 
 
CV2865
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B309
Double Triode
1953
B9A
12AT7 CV455 E2151 ECC81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B319
Double Triode
1954
B9A
30L1 7AN7 CV5192 PCC84
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B329
Double Triode
 
B9A
12AU7 CV491 E2163 ECC82
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B339
Double Triode
 
 
12AX7 6L13 CV492 ECC83
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B349
Double Triode
1960
B9A
30L15 7EK7 PCC805
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B36
Double Triode
1948
IO
12SN7GT CV925
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B4
Triode
1923
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B406
Triode
 
 
AR13
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B409
Triode
1931
 
L414
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B442
Tetrode
1927
B5
DZ2 H410D R81 TB42
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B5
Triode
1923
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B5C5T
Cathode-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B6
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B65
Double Triode
1948
IO
13D2 6SN7GT CV1988 ECC32 VT-231
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B6HA
Geiger-Muller Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B719
Double Triode
 
 
6AQ8 6L12 ECC85
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B729
Double Triode
1958
B9A
6/30L2 6GA8 ECC804
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BA2
Double Triode (Class B)
1933
B7
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BA9-20
Backward Wave Oscillator
 
 
N1010
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BA9-20M
Backward Wave Oscillator
 
 
N1010
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BD10
Rectifier MV
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BD12
Rectifier MV
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BD9
Triode
1929
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Beam Valve
Triode
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BIC/1E
Barretter
 
 
CV433
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Bi-Grid
Bi Grid
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Bi-Grille
Bi Grid
1925
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Bi-Volt
Triode
1926
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Bi150/30/50
X-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
B-H
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK
Triode
1925
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK146
Ignitron
 
 
BK146/5553B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK146/5553B
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK168
Ignitron
 
 
BK168/5822A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK168/5822A
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK178
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK24
Ignitron
 
 
CV2124
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK416
Ignitron
 
 
7703
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK416/7703
Ignitron
 
 
7703
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK42
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK428
Ignitron
 
 
BK472
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK44
Ignitron
 
 
BK44/5554
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK44/5554
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK442
Ignitron
 
 
BK442/7669
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK442/7669
Ignitron
 
 
BK442/7669
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK444
Ignitron
 
 
BK444/7671
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK444/7671
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK46
Ignitron
 
 
BK46/5555
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK46/5555
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK472
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK474
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK476
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK542/1081
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK66
Ignitron
 
 
BK66/5550
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BK66/5550
Ignitron
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BL63
Double Diode
1939
IO
CV1102 VR102
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1001
Magnetron (S-Band Pulse)
 
 
M5015
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1001A
Magnetron (S-Band Pulse)
 
 
M5015
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1002
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1003
Magnetron (S-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1004
Magnetron (S-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1005
Magnetron (S-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1006
Magnetron (S-Band Pulse)
 
 
CV2319
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1026
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1027
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1028
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1029
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1030
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1031
Magnetron (X-Band Pulse)
 
 
CV2186
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1032
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1033
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1034
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1035
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1036
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1037
Magnetron (X-Band Pulse)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1038
Magnetron (X-Band Pulse)
 
 
CV2261
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1039
Magnetron (X-Band Pulse)
 
 
CV2262
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM1040
Magnetron (X-Band Pulse)
 
 
CV5167
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM25LB
Magnetron (CW)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM25LC
Magnetron (CW)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM25LD
Magnetron (CW)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BM313
 
 
 
CV108
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BPM04
Pentode
 
 
6AQ5 EL90 N727
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR1102
Triode
1955
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR1103
Triode
1955
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR1122
Triode
 
 
CV10368
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR1160
Triode
 
 
CV8730
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR1161
Triode
 
 
CV9343
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR1162
Triode
 
 
CV5239
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR1165
Triode
 
 
CV3926
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR140
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR153
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR155
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR161
Triode (Power)
 
 
CV2322
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR175
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR179
Triode (Power)
 
 
CV2323
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR189
Triode (Power)
 
CV5218
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR191B
Triode (Power)
 
 
5762 ACT30 CV2383 CV5289 TY6-5000A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BR194
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BS100
Triode
 
 
CV1219 DA100 MZ1-100 NT36
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BS4
 
 
 
CV189
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BS60
Triode
 
 
CV1206 DA60 DO60
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT111
Thyratron
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT17
Thyratron (Mercury Vapour)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT29
Thyratron (Mercury Vapour)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT45
 
 
CV22
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT49
Thyratron (Mercury Vapour)
1941
 
CV12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT5
Thyratron (Mercury Vapour)
 
 
CV1147
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT5B
Thyratron (Mercury Vapour)
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT69
Thyratron (Mercury Vapour)
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT89
Thyratron (Mercury Vapour)
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT95
Thyratron (Mercury Vapour)
 
 
CV5141
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BT9B
Thyratron (Xenon)
 
 
CV2109
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BTH
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BU28/4
Barretter
 
IO
CV5003
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BU6
Rectifier FW
1928
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA132
Double Diode Triode
1938
MO
HL23DD
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA142
Pentode
1938
 
VP23
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA162
Pentode
1938
 
Pen25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA172
Triode Pentode
1938
MO
TP25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA216
Rectifier FW
1936
B4
DW4/350
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA246
Pentode
1939
IO
EF39
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA266
Pentode
1938
 
EL33
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BVA276
Triode Hexode
1940
IO
ECH35
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BW1102
Triode
1955
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BW1103
Triode
1955
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BW1124
Rectifier HW
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BW1143
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BW161
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BW189
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BW602
Triode
1931
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BY189
Triode (Power)
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
BY2020
Triode
1931
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Big-CRT
Cathode-Ray Tube
 
 
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