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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10
Triode
1937

CV603 EX610+D3661

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

100/60Z
Voltage Stabiliser
1957

STV100/60Z

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

100E1
Voltage Stabiliser
1955
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

100MD1
Monitor Diode

BS510

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

100MD4
Monitor Diode

BS510

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

100T
Triode

CV2550

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

100TH
Triode

UX4
CV2551 CV2552

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

101KXX90WB
Cathode-Ray Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1018
Rectifier MV
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

104AC
Tetrode
1931

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

104V
Triode
1929
B5
CV1160 CV1161 NR27 NR27A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10667B
Camera Tube (Videcon)

7735B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10667F
Camera Tube (Videcon)

7038

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10667G
Camera Tube (Videcon)

P810

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

108C1
Voltage Stabiliser

B7G
0B2 CV1833 G108/1K QS1208

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10AC/425
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10AF/537

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10C1
Triode Heptode
1947
B8A
X118 X145

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10C14
Triode Hexode

19D8 UCH81 X119

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10C2
Triode Pentode
1952
B8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10CV1180243
Cathode-Ray Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10D1
Double Diode
1936
B5
2D13C ARDD1 CV1300 CV1418 DD13 ZD

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10D2
Diode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10DR7
Double Triode
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10E/45
Rectifier MV

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10F1
Pentode
1948
B8A
Z145

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10F18
Pentode

13EC7 W119

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10F3
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10F9
Pentode
1947
B8A
W118 W145

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10FD12
Double Diode Pentode

19FL8 UBF89 WD119

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10L1
Triode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10L14
Double Triode

26AQ8 B109 UCC85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10LD11
Double Diode Triode
1947
B8A
DL145

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10LD12
Triple Diode Triode

28AK8 DH109 UABC80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10LD13
Double Diode Triode

DH119 UBC81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10LD3
Double Diode Triode
1953
B8A
141DDT 14L7 B109 DH118 DH142 UBC41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10M1
Tuning Indicator

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10M2
Tuning Indicator
1955
IO
UM35

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10P13
Beam Tetrode
1948
B8A
N118 N145

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10P14
Beam Tetrode
1947
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10P18
Pentode
1958

45B5 N119 UL84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

10PL12
Triode Pentode

50BM8 LN119 UCL82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

110
Beam Tetrode

CV276

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1100
Beam Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11000
Tetrode

CV73

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

110D
Cathode-Ray Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

110E/274A
Heptode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

110E/302
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1129
Fectifier FW
1954
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1130
Barretter

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1163

68506

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

116Pen
Pentode

ARP22 CV1337

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

117L7GT
Rectifier (HW) Beam Tetrode
1940

CV2556

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

117M7GT
Rectifier (HW) Beam Tetrode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

117N7GT
Diode Tetrode
1940

CV2557

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

117P7GT
Rectifier (HW) Beam Tetrode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

117Z3
Rectifier HW
1948
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

117Z6G
Rectifier FW
1940

117Z6GT

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

117Z6GT
Rectifier FW
1940
IO
CV2558

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

118-0243
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11A1
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11A2
Double Diode Triode
1933

AC/HL/DD DDT4 DDT DH42 H4D MHD4 TDD4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11AR11
Double Pentode
1967

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11D3
Double Diode Triode
1934
B7
13DHA CV1419 HAD HL/DD/1320 TDD13C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11D5
Double Diode Triode
1939
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11E13
Tetrode (Power)

55B/100K 6360 CV2798 CV8066 QQV03-10 TT24

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11E14
Pentode
1958

5B/102D CV5830 EL360

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11E15
Tetrode (Power)

C1134

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11E16
Tetrode (Power)

C178A/5894

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11E2
Tetrode

IO
5A/204D CV276

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11E3
Beam Tetrode

CV1577 KT44 VT75B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11LT8
Double Diode Pentode
1965

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

11TA31
Voltage Stabiliser

0A2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1210
Voltage Stabiliser

0A2WA CV4020 M8223

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

121VP
Pentode
1947

12AC5 UF41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

123.
Discharge

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

123
Tetrode
1929

UY224

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

124
Tetrode
1927
UY
G-24 UY-224 UY224

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1255FIM
Camera Tube (Videcon)

7038

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1255IND
Camera Tube (Videcon)

P810

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1255N
Camera Tube (Videcon)

P864

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1255NOR
Camera Tube (Videcon)

7038

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1258
Thyratron

B7G
CV3957

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1267
Thyratron
1949
IO
CV2174 G240/2D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1291
Double Triode
1949

3B7 VT-182

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1299
Pentode
1942
B8B
1299A 3D6 CV815 DL29

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1299A
Pentode
1949
B8B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12A5
Pentode
1940
UX7
CV908

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12A6
Pentode
1942
IO
12A6Y CV525 VT-134

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12A6GT
Pentode
1946

CV526

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12A6Y
Pentode

IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12A7
Pentode Rectifier HW
1937
UX7
CV909

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12A8
Heptode
1939
IO
CV910

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12A8GT
Heptode
1939
IO
CV910

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AC5
Pentode
1947

121VP UF41 W142

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AC6
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AD6
Heptode
1956
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AE6
Double Diode Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AF6
Pentode
1955
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AH7GT
Double Triode
1941
IO
CV529 VT-207

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AH8
Triode Heptode
1953
B9A
20D3 CV5317

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AL5
Double Diode
1947
B7G
HAA91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AT6
Double Diode Triode
1946
B7G
HBC90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AT7
Double Triode
1947
B9A
6060 B152 B309 CV455 E2157 ECC81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AT7WA
Double Triode
1961
B9A
6060 6201 CV4024 E81CC M8162

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AU6
Pentode
1947
B7G
CV1961 HF94

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AU7
Double Triode
1951
B9A
6067 B329 CV491 E2163 ECC82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AU7A
Double Triode
1956
B9A
7030 CV4003 M8136

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AW6
Pentode
1947
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AV6
Double Diode Triode
1948
B7G
HBC91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AV7
Double Triode
1949
B9A
6BK7B CV10175

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AX7
Double Triode
1947
B9A
12DT7 6057 6L13 B339 CV492 E2162 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AX7B
Double Triode

B9A
12DT7 6057 6L13 B339 CV492 E2162 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AX7EH
Double Triode

B9A
12DT7 6057 6L13 B339 CV492 E2162 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AX7WA
Double Triode

B9A
7025 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AX7WC
Double Triode

B9A
12DT7 6057 6L13 B339 CV492 E2162 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AY7
Double Triode
1949
B9A
6072A CV3650

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AY7EH
Double Triode

B9A
6072A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12AZ7A
Double Triode
1958
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12B4
Triode
1955

12B4A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12B4A
Triode
1955
B9A
12B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12B7
Pentode
1940
B8B
14A7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12B8GT
Triode Pentode
1940

CV911

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12BA6
Pentode
1946
B7G
CV1928 HF93

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12BA7
Heptode
1948
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12BE6
Heptode
1946
B7G
HK90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12BH7
Double Triode
1950
B9A
CV5042

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12BH7A
Double Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12BW4
Rectifier FW
1955

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12BY7A
Pentode
1955
B9A
12BV7 12DQ7 7733

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12C8
Double Diode Pentode
1939

12C8GT CV531 VT-169

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12C8GT
Double Diode Pentode
1939

12C8 CV531 CV3827

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12CA5
Pentode
1955
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12CN5
Pentode
1958
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12CS7GT
Double Triode

CV3938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12DE8
Diode Pentode
1957
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12DQ6A
Beam Tetrode
1956

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12DT7
Double Triode

12AX7 6L13 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12E1
Beam Tetrode
1952
IO
5B/351D CV345 CV8025

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12E12
Tetrode (Pulse Amplifier)

C1150/1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12E14
Beam Tetrode

5B/354D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12E1C
Beam Tetrode

5B/355D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12E1R
Beam Tetrode

IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12EA6
Pentode
1957
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12TFK2

K3032

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12H6
Double Diode
1940
IO
CV916 VT-214

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12HG7
Pentode
1965
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12HL7
Pentode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12J5
Triode

CV534

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12J5GT
Triode

IO
CV535 VT-135

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12J7GT
Pentode

IO
CV917

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12K5
Pentode
1956
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12K7GT
Pentode

IO
CV918 KTW74M W76

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12K8
Triode Hexode

IO
CV703

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12K8GT
Triode Hexode

IO
CV3927 X71M X76M

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12Q7GT
Double Diode Triode
1947
IO
DH76 DL74 DL74M

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12S7
Diode Pentode

UAF42 WD142

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12S7WGT
Double Triode

CV3983

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SA7
Heptode
1939
IO
CV537

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SA7GT
Heptode
1939
IO
CV538

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SC7
Double Triode
1939
IO
CV540

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SF5
Triode
1939
IO
CV919

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SF5GT
Triode
1940

CV920

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SF7
Diode Pentode
1940
IO
CV921

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SF7GT
Diode Pentode
1946

CV170

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SG7
Pentode
1940
IO
CV694 VT-209

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SH7
Pentode
1945
IO
CV922 VT-288

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SH7GT
Pentode
1945

CV3651

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SJ7
Pentode
1939
IO
CV697 VT-162

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SJ7GT
Pentode
1940

CV698 CV923

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SK7
Pentode
1939
IO
CV543 VT-131

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SK7GT
Pentode
1940
IO
CV544

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SL7GT
Double Triode

IO
CV924

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SN7
Double Triode

B36

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SN7GT
Double Triode
1940
IO
B36 CV925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SQ7
Double Diode Triode
1939
IO
CV546 VT-104

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SQ7GT
Double Diode Triode
1940

CV547

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SQ7GT/G
Double Diode Triode
1939
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SR7
Double Diode Triode
1940
IO
CV700 VT-133

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SR7GT
Double Diode Triode

CV3980

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SW7
Double Diode Triode

CV3666

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SX7GT
Double Triode

CV3697

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12SY7
Heptode

CV3668

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12U5
Tuning Indicator

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12VPA
Pentode
1934

9D2 ARP3 CV1321 VR106

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12X4
Rectifier FW

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12X825

68510

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12Y4
Double Diode
1944
B5
CV523

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12Z3
Rectifier FW
1933
UX4
CV927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

12Z5
Rectifier FW
1937

6Z5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

130
Beam Tetrode

7972 CV6045

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

130L
Beam Tetrode
1959

7534

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13201A
Voltage Stabiliser

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13202X
Voltage Stabiliser
1942
Ct5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13CW4
Nuvistor Triode
1964

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13D1
Double Triode
1937

25SN7 6042 CV423

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13D2
Double Triode
1941
IO
6SN7 6SN7GT B65 ECC32 VT-231

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13D3
Double Triode

B9A
CV2212

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13D5
Double Triode

12AU7 ECC82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13D7
Double Triode

ECC807

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13D8
Double Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13D9
Double Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13DHA
Double Diode Triode
1934
B7
11D3 202DDT H4D HL/DD/1320 TDD13C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13DR7
Double Triode
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13E1
Beam Tetrode
1955
B7A
5B/351D 7972 C1158 CV2377 CV6045 CV8025

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13E12
Beam Tetrode
1964

5B/901A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13E4
Beam Tetrode

7D11 CV5220 KT88

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13SPA
Pentode
1934
B7
8D2 CV929 SP13C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

13VPA
Pentode
1935
B7
9D2 C50N CV1106 VP1322

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

141DDT
Double Diode Triode
1953

10LD3 14L7 DH142 DH18 UBC41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

141TH
Triode Heptode

14K7 UCH42 X142

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

142BT
Beam Tetrode

IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1478K
Cathode-Ray Tube

CV6229

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14A7
Pentode
1940
B8B
12B7 CV3935

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14A7/12B7
Pentode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14D12
Triode (Power)
1961

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14D13
Triode (Power)
1961

V1505

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14F6G
Pentode
1946
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14GW8
Triode Pentode

PCL86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14H7
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14K7
Triode Heptode

B8A
141TH UCH42 X142

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14L7
Double Diode Triode

10LD3 141DDT DH118 DH142 UBC41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14R7
Double Diode Pentode

CV3937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14S7
Triode Heptode
1948
B8B
CV3936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14Y4
Rectifier FW
1952
B8B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

14Z3
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15
RF Pentode
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150/40Z
Voltage Stabiliser
1941
LK199 Ln28729

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150A
Barretter

Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150A2
Voltage Stabiliser

CV286 QS95/10

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150B2
Voltage Stabiliser

B7G
0A2 CV2225 G150/4K M8163 M8208 QS1200

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150B3
Voltage Stabiliser

CV287 GTR150M/S QS150/15

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150C1
Voltage Stabiliser
1939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150C1K
Voltage Stabiliser
1939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150C1P
Voltage Stabiliser
1939
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150C2
Voltage Stabiliser
1954
B7G
0A2 CV1832 G150/4K GD150M QS1207 STV150-30

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150C3
Voltage Stabiliser
1939
IO
0D3 CV216 QS150/40 VR150/30

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

150C4
Voltage Stabiliser

B7G
0A2 CV1832 G150/4K QS1207

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

154V
Triode
1929
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1561
Rectifier FW

CV1064 UU5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15A2
Heptode
1934

41MPG CV3576 FC4 MH4105 MX40 VHT4 X42

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15A5
Pentode

41MPG A80 A80A FC4 FCH MX40 UHT4 X42

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15A6
Pentode

N153 N309 PL83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15CW5
Pentode

30P18 N379 PL84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15D1
Heptode
1934
B7
CV2956

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15D12
Triode (Power)
1961

B1153

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15D2
Heptode

CV1107 VR107

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15DQ8
Triode Pentode

PCL84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15E
Triode
1940
3-15A3 4C30 8033 CV933

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

15R
Rectifier HW
1940
4B30 CV934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1603
Pentode

CV652

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

160AB22
Colour TV Picture Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

161D
Triode

L4
CV2895 DET1SW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1611
Triode

CV653

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1612
Heptode

CV654

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1613
Pentode
1943
IO
CV655 VT-175

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1616
Rectifier HW

CV656

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1619
Pentode
1938
IO
CV723

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1620
Pentode

CV657

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1622
Pentode
1943
IO
CV658

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1624
Beam Tetrode

VT-165

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1625
Beam Tetrode
1944
CV659 VT-136

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1626
Triode
1941
IO
CV1755 VT-137

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1628
Triode

VT-140

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1629
Tuning Indicator
1942
IO
CV1756

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1636
Beam Deflection Mixer
1943
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1637
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1638
Double Diode
1941
IO
VR54

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1642
Double Triode

2C21 CV875 RK33

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1645A
Photocell
1952

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

164V
Triode
1929
B5
SS4DetAC

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1650
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

165R4
Barretter
1935
165R4G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

16A
Pentode
1949

6AM5 6P17 EL91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

16A5
Pentode

B9A
30P16 N154 N329 PL82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

16A8
Triode Pentode
1955
B9A
30PL12 PCL82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

16LU8
Triode Pentode
1968

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

16LU8A
Triode Pentode
1968
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17
Rectifier MV

5557

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1788
Rectifier MV

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17BF11
Double Pentode
1964
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17C9
Double Tetrode
1961

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17DW4A
Rectifier HW

B9D
17BS3A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17GT5
Beam Tetrode
1963
B9D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17JN6
Beam Tetrode
1964
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17KW6
Pentode

PL508

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17DQ6A
Beam Tetrode
1956

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

17Z3
Rectifier HW

B9A
PY81 U153 U329

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

171DDP
Double Diode Pentode

UBF80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

18
Pentode
1937
UX6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

18042
Pentode
1952
B9A
6086 TS53

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

18045
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

18046
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

18049

2000 68506

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1807
Rectifier FW
1932
B4
442BU DW30 DW3 R3 U12 UU120/350

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1821
Rectifier FW
1930
B4
CV1443 UU5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

183/483
Triode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1846
Camera Tube (Iconoscope)
1941
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1848
Camera Tube (Iconoscope)

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1850A
Camera Tube (Iconoscope)
1945
UX6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1851
Pentode

CV599

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1852
Pentode

IO
6AC7 CV660 CV1876 VT-112

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1853
Pentode
1941

6AB7 CV661

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

185BT
Tetrode
1949
IO
CV1980

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

185BTA
Tetrode

IO
CV1980

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1867
Rectifier FW

UU5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

18D3
Triode Pentode

ECF804

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

18GV8
Triode Pentode

PCL85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19
Double Triode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1900

CV265

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1904
Barretter
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1907
Thyratron (Hydrogen)

CX1140

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1909
Barretter

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1909A
Barretter

B4
CV2291

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1909H
Barretter

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1910
Barretter

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1913
Barretter

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1928
Barretter
1932
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

1950-0004
Reflex Klystron

QKK1315

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

199
Triode
1922

CT-199

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19AQ5
Beam Tetrode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19BG6G
Beam Tetrode
1949
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19BR5
Tuning Indicator
1954

UM80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19CG3
Rectifier HW
1967
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19D8
Triode Heptode

UCH81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19D8
Triode Heptode

10C14 UCH81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19DR7
Double Triode
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19EA8
Triode Pentode
1960

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19EA8A
Triode Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19FL8
Double Diode Pentode
1956

10FD12 UBF89

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19G/12
Rectifier HW

CV1111

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19G3
Rectifier HW
1948
IO
2T/240D CV277

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19G6
Rectifier HW
1949

2S/280K CV371 CV8027 SU45

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19H1
Rectifier HW

2S/306B CV121

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19H4
Rectifier HW
1948
IO
2T/350D CV2180

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19H5
Rectifier HW
1954
2S/550C CV490

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19PF1
Double Pentode
1964

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19SU
Rectifier HW

PY82 U192

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19T8
Triple Diode Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19X3
Rectifier HW

PY80 U152 U309

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19X8
Triode Pentode
1952

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

19Y3
Rectifier HW
1952
B9A
PY82 U154 U319

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