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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR85
Cathode-Ray Tube
 
 
CV1085
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR87
Cathode-Ray Tube
 
 
CV1087
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR97
Cathode-Ray Tube
 
 
CV269 CV1097 E4504/B/16 ECR60
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR112
Cathode-Ray Tube
 
 
CV1112
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR131
Cathode-Ray Tube
 
 
CV1131
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR138
Cathode-Ray Tube
1940
B12D
901A CV1138 E4412/B/9 ECR35
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR138A
Cathode-Ray Tube
1940
 
30B1 90EG4 CV1587 ECR35
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR139
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR139A
Cathode-Ray Tube
 
B12B
CV1588 E4205/B/7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR140
Cathode-Ray Tube
 
 
CV1140
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR140A
Cathode-Ray Tube
 
 
CV1546
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR511
Cathode-Ray Tube
 
 
CV1511
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR511A
Cathode-Ray Tube
 
 
CV1511 CV1590
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR511B
Cathode-Ray Tube
 
 
CV1511 CV1589
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR514
Cathode-Ray Tube
 
 
CV1514
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR515
Cathode-Ray Tube
 
 
CV1515
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR517
Cathode-Ray Tube
 
 
CV1517
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR517A
Cathode-Ray Tube
 
 
CV1591
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR517B
Cathode-Ray Tube
 
 
CV1592
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR517C
Cathode-Ray Tube
 
 
CV1593
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR517D
Cathode-Ray Tube
 
 
CV1594
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR517E
Cathode-Ray Tube
 
 
CV1595
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR518A
Cathode-Ray Tube
 
 
CV1596
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR519
Cathode-Ray Tube
 
 
CV1519
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR520
Cathode-Ray Tube
 
 
CV1520
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR522
Cathode-Ray Tube
1938
B9
CV1522
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR522A
Cathode-Ray Tube
1938
 
CV1522 CV1597
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR524
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR524A
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR525
Cathode-Ray Tube
 
 
CV1525
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR526
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR528
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR529
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VCR530
Cathode-Ray Tube
 
 
CV1530
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VGT121
Thyratron
1940
MO
CV1121 T41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VGT128
Thyratron
1937
B5
CV1128 GT1C NGT2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VI77
Tuning Indicator
 
IO
AW6 CV1077 EM31
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VI103
Tuning Indicator
1937
IO
CV1103 Y63
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VI132
Neon Indicator
 
CV1132
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VI507
Spark Gap
 
CV1507
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR12F
Triode
 
B4
CV1560
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR17
Triode
1925
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR18
Tetrode
1935
B4
215SG CV1018 Z21
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR19
Triode
 
B4
CV1019 NR28 PM2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR21
Triode
1929
B4
210LF AR9 CV1021 CV1307 L21 L2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR22
Triode
1935
B4
220PA AR5 AR6 CV1022 CV1166 CV1304 LP2 NR42
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR27
Triode
 
B4
210LF CV1027 L210
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR28
Tetrode
1931
B4
220VSG CV1028 S215VM
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR32
Double Triode
 
B7
220B AR16 CV1032
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR35
Double Pentode
1934
B7
CV1035 QP21
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR37
Triode
 
 
AR17 CV1037 MH4 NR31
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR38
Triode
 
B5
41MLF CV1038 MHL4 NR26 POVT91
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR40
Triode
 
B4
10E/9601 CV1040 DO24 NR47 PX25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR41
Tetrode
1933
 
CV1041 PM12M
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR43
Heptode
 
 
210PG CV1043 VHT2A X22
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR44
Double Diode Triode
 
 
210DDT CV1044 HL21/DD
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR45
Triode
 
 
X56
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR46
Pentode
 
 
CV1046 PT25H
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR47
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR49
Pentode
 
 
210SPT CV1049 SP210
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR53
Pentode
1940
IO
ARP34 CV1053 EF39 OM6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR54
Double Diode
1941
IO
1638 ARDD5 CV1054 EB34 OM3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR55
Double Diode Triode
1938
IO
AR21 CV1055 EBC33 NR48 OM4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR56
Pentode
 
IO
CV1056 EF36 NR49 OM5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR57
Octode
1940
IO
CV1057 EK32
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR57A
Octode
1940
 
CV1057 CV1570 EK32
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR58
Triode
 
 
CV1058 CV1571
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR58A
Triode
 
 
CV1058 CV1571
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR59
Triode
 
955 CV1059
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR65
Pentode
1941
MO
10E/11446 ARP36 CV118 CV1065 SP61
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR65A
Pentode
1938
MO
ARP19 CV1335 CV1574 SP41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR66
Triode
1941
MO
CV1066 P61
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR67
Triode
 
IO
6J5G CV1067 L63 POVT154
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR71
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR75/30
Voltage Stabiliser
1943
IO
0A3 CV3798 G75/1D G75/2D GL-75/30 KD21 QS1205 VT-260 WS75/40 WTT141
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR78
Diode
1937
B3G
ARD2 CV1078 D1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR82
Triode Heptode
 
B7
220TH CV1082
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR83
Pentode
 
B7
210VPT ARP13 CV1083 NR41 VP21
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR90
Voltage Stabiliser
 
 
0B3 CV3799 VR90/30 VT-184
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR90/30
Voltage Stabiliser
 
 
0B3 CV3799 VR90 VT-184
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR91
Pentode
1938
B9G
ARP35 CV1091 EF50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR91A
Pentode
 
B9G
EF50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR92
Diode
1939
B3G
CV1092 EA50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR95
Pentode
 
954 CV1095
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR95A
Pentode
 
 
954
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR99
Triode Hexode
1940
IO
CV1099 CV1193 NR82 X65 X66
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR99A
Triode Hexode
1940
IO
10E/757 CV1581 ECH35
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR100
Tetrode
 
IO
CV1100 KTW61 KTW62 NR64 POVT193
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR101
Double Diode Triode
1939
IO
CV1101 DL63 MHLD6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR102
Double Diode
1939
IO
BL63 CV1102
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR105
Voltage Stabiliser
1939
 
0C3 CV686 G105/1D GL-105/30 KD24 QS1206 W-269
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR104
Beam Tetrode
 
 
CV1104 PT15
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR105
Voltage Stabiliser
1939
 
0C3 CV686 G105/1D GL-105/30 KD24 QS1206 W-269
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR105/30
Voltage Stabiliser
1939
IO
0C3 CV686 G105/1D GL-105/30 KD24 QS1206 W-269
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR106
Pentode
1934
B7
12VPA 9D2 ARP3 CV1106 CV1321
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR106A
Pentode
1934
 
12VPA 9D2 ARP3 CV1106 CV1598
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR107
Heptode
 
B7
15D2 CV1107
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR108
Pentode
1934
B7
8D2 CV1108
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR108A
Pentode
1934
 
CV1599
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR109
Triode
1934
B7
4D1 AR7 CV1000 CV1109 HL1320 NR55
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR109A
Triode
 
 
4D1 CV1000 CV1109 HL1320 NR55
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR116
Pentode
 
MO
6.F.32 CV1116 V872
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR117
Triode
 
 
41MTL CV1117
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR117A
Triode
 
 
41MTL
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR118
Pentode
 
 
ARP1 CV1118 KT2 NR39 POVT136
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR119
Double Diode
 
B5
CV1119 DDL4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR122
Pentode
 
 
41MXP CV1122
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR123
Pentode
1938
Ct8
CV1123 EF8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR124
Pentode
 
B7
8A1 ARP23 CV1124 MS/Pen NR70
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR125
Pentode
 
 
MS/PenB
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR126
Hexode
 
 
4SH CV1126
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR129
Pentode
 
 
CV1129 MS/PenT NR71
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR130
Triode
 
MO
CV1130 HL23
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR135
Triode
 
IO
CV1135 DET20 E1148 NR80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR136
Pentode
 
B9G
CV1136 EF54 RL7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR137
Triode
1946
B9G
CV1137 EC52 RL16
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR150
Voltage Stabiliser
 
IO
0D3 150C3 CV216 CV685 G150/3D G180/2D GD150A/S GL150/30 KD25 QS150/40 VT-139 WT-294
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR150/30
Voltage Stabiliser
1939
IO
0D3 150C3 CV216 CV685 G150/3D G180/2D GD150A/S GL150/30 KD25 QS150/40 VT-139 WT-294
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR150MT
Voltage Stabiliser
1954
B7G
0A2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR502
Tetrode
 
 
CV1502 KT32 NR95
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR503
Tetrode
1938
IO
CV1503 KT33C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VR505
Triode
1933
B5
CV1505 MH41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VRB150/60
Voltage Stabiliser
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VS110
Voltage Stabiliser
 
B4
AW3 CV1110 S130
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VS110A
Voltage Stabiliser
 
B4
CV1582
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VS2
Rectifier HW
 
B4
CV1319
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VS24
Tetrode
 
B4
ARS7 CV1318
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VS68
Voltage Stabiliser
 
B5
A2235 AW4 CV1068 STV280/40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VS69
Voltage Stabiliser
 
 
CV1069 NS1 STV280/80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VS70
Voltage Stabiliser
 
B4
7475 AW2 CV1070
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT.1A
Triode
1919
B4
Type A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT103
Triode
 
 
803
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT104
Beam Tetrode
 
B5
CV1104 PT15
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT105
Triode
 
B4
CV1105 ML6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT107
Pentode
1936
B7
N43 POVT107
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT111
Triode
 
 
DA30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT114
Tetrode
 
 
CV1114
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT120
Acorn Pentode
 
 
7642 954 ZA2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT121
Acorn Triode
 
955 CV1059 D7271
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT127
Beam Tetrode
1940
MO
CV1127 Pen46 V1111
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT13C
Transmitting Triode
 
L4
CV1562
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT134
Beam Tetrode
 
 
12A6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT139
Triode
 
 
MH4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT141
Double Diode
1934
B5
220DD
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT154
Triode
 
 
L63
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT158
Triode
 
 
2AHL
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT168A
Beam Tetrode
193
 
6Y6G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT17
Tetrode
 
 
CV640 GC860
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT180
Pentode
1939
 
EF39
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT195
Rectifier FW
 
 
5Z4G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT198A
Pentode
 
 
CV1926
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT20
Triode
1929
B4
220P CV1020
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT206
Rectifier EHT
 
 
VU120
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT208
Pentode
 
 
12SG7 CV694
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT211
Pentode
 
 
6SG7 CV1978
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT214
Double Diode
 
 
12H6 CV916
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT217
Triode
 
 
811
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT23
Triode
 
 
230XP CV1023
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT23A
Triode
 
 
230XP
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT233
Double Diode Triode
 
 
6SR7 CV867
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT238
Pentode
 
 
956
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT25
Triode
 
L4
AT35 CV1025 DET25 E1175
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT269
Pentode
 
 
717A CV3594
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT26A
Triode
 
L4
CV1568
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT27
Rectifier
 
 
CV1601
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT30
Triode
 
CV1030
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT31
Tetrode
 
ATS250 CV1031 SG250
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT34
Triode
 
 
7886 DET3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT37C
Triode
 
 
CV1644
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT38
Triode
 
 
CV1645
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT45
Triode
 
B4
CV1045 X56
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT46
Pentode
1934
B5
CV1046 PT25H
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT47
Triode
 
 
3B/200B CV1047 T20G TZ05-20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT4B
Triode
 
 
CV1553
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT4C
Triode
 
 
211 CV2576
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT5B
Triode
 
 
CV1154 PM254 PM4DX
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT50
Triode
1934
B4
CV1050 HL2K
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT501
Beam Tetrode
 
IO
CV1501 E1192 TT11
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT501A
Beam Tetrode
 
IO
E1192
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT51
Pentode
1933
B5
220PT CV1051 Pen220A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT510
Beam Tetrode
1947
B9G
CV1510 QV04-7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT52
Pentode
1940
IO
CV1052 EL32 OM9 POVT181
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT58
Triode
1936
 
CAT15
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT60
Beam Tetrode
 
UX5
5B/250A 8018 807 CV1060
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT60A
Beam Tetrode
 
UX5
5B/250A 807 ATS25A ATS25 CV1364 CV1374 CV1572
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT61
Double Triode
1938
UX7
4074A CV1061 DET19 RK34 VT-224
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT61A
Double Triode
 
B5
4074B CV1573 TV03-10
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT62
Triode
 
B4
4304CB 834 CV1062 CV1288 DET12 NT58 POVT121A TY1-50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT65
Triode
 
 
6C5 CV582 VT-65
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT68
Triode
 
B4
POVT68
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT73
Triode
 
 
6F5G CV1073 H63
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT74
Pentode
 
IO
6J7G ARP16 CV1074 KTZ63 NR83
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT75
Beam Tetrode
1939
IO
75 CV1075 KT66
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT75A
Beam Tetrode
1939
B7
CV1576 KT44
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT75B
Pentode
1939
B7
CV1577 KT44
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT76
Triode
 
 
CV1076 DA41 TZ40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT79
Beam Tetrode
 
B5
CV1079 KT807 KT8C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT80
 
 
 
4307A CV1080
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT81
Pentode
 
 
4052A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT88
Double Tetrode
 
 
832
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT90
Micropup Triode
1939
8011 CV1090 E1046
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT93
Double Diode Pentode
 
 
6B8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT94
Triode
 
L4
CV1094
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT96
Pentode
 
 
5B/502A CV1096
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT98
Triode
1939
 
CV1580
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT98A
Triode
1939
 
CV1580
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT506
Pentode
1947
 
5C/450A CV1506
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU111
Rectifier HW
 
B4
19G/12 AU5 CV1111 R11 U27 V1907
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU113
Rectifier HW
1936
B4
AU4 CV1113 NU18 U17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU120
Rectifier EHT
 
B4
CV1120 CV1290 NU33 SU2150A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU120A
Rectifier EHT
 
B4
CV1290 NU33 SU2150A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU133
Rectifier HW
 
B4
CV1133 SU41 V960
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU134
Rectifier HW
1937
B4
CV1134 HVR2 NU34
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU29
Rectifier HW
 
 
CV1029 ESU150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU33
Signal Diode
1935
B4
CV1033
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU39
Rectifier FW
 
B4
AU4 CV1039 IW4 MU12/14 NU17 R3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU39A
Rectifier FW
 
B4
CV1569 R3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU504
 
 
 
V1901
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU508
Rectifier HW
 
B4
CV187 U19 V1913
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU508
Rectifier HW
 
B4
CV1508 U19 V1913
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU64
Rectifier FW
 
 
AU4 CV1064 DW4-500 NU3 U12/14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU71
Rectifier FW
1938
IO
CV1071 U52
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU71A
Rectifier FW
 
 
U52
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VU72
Rectifier HW
1940
B4
AU6 CV1072 GU5 NU16 RG1-240A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VW36
Triode
 
 
220PA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VW42
Triode
 
 
210LF
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VW48
 
 
 
2155G
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