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Valve Types and Equivalents

    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D
Triode
1914
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D.06
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D.06HF
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D024
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D026
Triode
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D030
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D051
Triode
 
 
CV1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D-1
Triode
1920
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D1
Diode
1937
B3G
ARD2 CV1078 T4D VR78
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D12F
Pentode
 
 
D1F
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D13/611GH
Cathode-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D1300
Double Diode
1935
Ct5
2D13 DD620
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D15
Barretter
 
IO
CV1539
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D152
Double Diode
 
 
6AL5 6D2 6D2 D77 EAA91 EB91
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D1F
Pentode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D210SW
Triode
1936
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D296
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D2F
Pentode
 
 
D12F
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D.3
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D3-130GH
Cathode-Ray Tube
1976
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D3a
Pentode
1958
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D3F
Pentode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D4
Triode
1933
B5
354V 41MHL AC/HL AR17 CV399 CV1037 HL4 MH4 NR31 VR37
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D41
Double Diode
1935
B5
CV1170 CV1187 NR46 NR66
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D42
Diode
1936
 
ARD4 CV557 CV1302 CV2394
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D4-New-Power
Triode
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D5-100W
Cathode-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D5-192
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D5-194GH
Cathode-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D43
Diode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D61
Diode
 
 
CV1092 EA50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D63
Double Diode
1937
 
6H6G ARDD3 CV554 CV1301 CV1929 EB34
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D7/200GH
Cathode-Ray Tube
1969
B13B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D7/201GH
Cathode-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
D77
Double Diode
1949
B7G
6AL5 6D2 CV140 D152 DD6 EAA91 EB91
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA
Triode
1935
 
4DI C30B CV1109 HL1320 HL13C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA1
Triode
1936
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA100
Triode
1933
 
BS100 CV1219 MZ1-100 NT36
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA2
Triode
1936
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA3
Triode
1936
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA30
Triode
1935
 
CV563 CV1178 DO30 NR56 V503 VT111
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA41
Triode
1939
UX4
CV1076 TZ40 VT76
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA42
Triode
1956
UX4
3B/402A CV2394 ES1101
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA60
Triode
1929
L4
660T BS60 CV527 CV1206 DO60 ES60 MZ05-60
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DA90
Diode
 
 
1A3 1D13 CV753
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DAC1
Diode Triode
1939
Ct8
CV2887
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DAC32
Diode Triode
 
IO
1H5 1H5GT CV1820 HD14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DAF70
Diode Pentode
 
 
CV2104
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DAF91
Diode Pentode
1946
B7G
1FD9 1S5 CV784 ZD17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DAF96
Diode Pentode
1953
B7G
1AH5 1AM5 1FD1 ZD25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DB4-1
Cathode-Ray Tube
1953
B9G
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DB4-2
Cathode-Ray Tube
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DC/P
Triode
1931
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DC/SG
Tetrode
1931
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DC2/Pen
Pentode
1931
B5
DC/2Pen
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DC2/SGVM
Tetrode
1932
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DC70
Triode
 
B8D & B8D/F
CV2275
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DC762A
Rectifier HW
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DC80
Triode
 
 
CV2172
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DCC90
Double Triode
1950
B7G
3A5 CV808
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DCH11
Triode Hexode
1941
Footless
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD101
Double Diode
1938
MO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD13
Double Diode
 
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD207
Double Diode
1937
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD4
Double Diode
1934
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD41
Double Diode
1938
MO
CV1403
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD6
Double Diode
1936
 
6AL5 6D2 CV140 D77 EB91
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD620
Double Diode
1934
B5
ZD
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DD818
Double Diode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDA/13
Double Diode
1935
 
2D13C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDA/13L
Double Diode
1935
Ct5
2D13A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDL4
Double Diode
1937
B5
2D4A A20B CV1119 D41 V914 VR119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDPP4M
Double Diode Pentode
 
 
CV519 Pen4DD
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDR2
Pentode
 
 
CV173 EF55
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDT
Double Diode Triode
1933
B7
11A2 A23A AC/HL/DD HD4 MHD4 TDD4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDT215
Double Diode Triode
1937
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DDT4
Double Diode Triode
1936
 
11A2 A23A AC/HL/DD HD4 MHD4 TDD4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE06LF?
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE11
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE25HF
Triode
1926
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE2HF
Triode
1925
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE2LF
Triode
1925
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE2
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE3
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE4
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE5
Triode
1924
B4
CV2891
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE5A
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE5B
Triode
1924
B4
CV2892
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DE6
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DEH612
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DEL410
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DEM2
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DEP215
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DEP240
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DEQ
Triode
1923
CV1156 NR18
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DER
Triode
1921
B4
POVT33
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DES1
Thermal Delay Switch
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET1
Triode
1924
L4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET1SW
Triode
 
 
161D CV2895
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET10
Triode
 
 
CV2900
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET12
Triode
 
B4
4304CB 834 CV1062 CV1288 NT58 TY1-50 VT62
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET16
Triode
 
 
CV1363
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET18
Triode
 
 
3-50AG 35T CV419 CV668
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET19
Double Triode
1938
UX7
2C34 4074A CV18 CV1061 RK34 VT61
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET1SW
Triode
 
 
CV2895
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET2
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET20
Triode
 
IO
CV6 CV1135 NR80 VR135
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET22
Triode
 
CV273 CV315 CV5956 ME1001 TD03-10
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET23
Triode
 
CV354 TD03-5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET24
Triode
 
CV397 TD04-20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET25
Triode
 
L4
AT35 CV1025 VT25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET28
Triode
 
B9G
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET29
Triode
1959
CV2397
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET3
Triode
 
7886 CV1034 VT34
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET5
Triode
 
 
CV384 CV1223 NT40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET8
Triode
 
 
CV2898
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DET9
Triode
 
 
CV2899
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF.ORA
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF1
Pentode
1939
Ct8
CV2907
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF11
Pentode
1940
Footless
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF33
Pentode
1939
IO
1N5GT CV1823 Z14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF61
Pentode
 
 
CV2371
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF62
Pentode
 
 
CV2237 R1AD4 XFR1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF64
Pentode
1953
CV2260
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF66
Pentode
1951
CV2107
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF70
Pentode
1955
 
CK505AX CV386 CV443
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF72
Pentode
 
 
CV2101
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF73
Pentode
 
 
CV2103
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF75
Pentode
 
 
CV2102
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF91
Pentode
1947
B7G
1F3 1T4 CV785 W17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF92
Pentode
1949
 
1F2 1L4 CV1758
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF96
Pentode
1953
B7G
1AJ4 1F1 W25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DF97
Pentode
1954
B7G
1AN5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA0
Triode
1924
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA1
Triode
1924
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA2
Triode
1924
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA3
Triode
1925
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA4
Triode
1925
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA5
Triode
1926
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA6
Triode
1926
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA7
Triode
1926
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA8
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DFA9
Triode
1928
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DeForest
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG12C
Indicator
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG13-2
Cathode-Ray Tube
 
 
CV2191
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG2
Bi-grid
1931
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG407
Bi-grid
1932
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG4-1
Cathode-Ray Tube
1953
B9G
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG7-5
Cathode-Ray Tube
1950
B9G
CV2175
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG7-31
Cathode-Ray Tube
1957
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG7-32
Cathode-Ray Tube
1955
CV2431
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DG7-36
Cathode-Ray Tube
1955
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH
Triode
1931
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH101
Double Diode Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH107
Double Diode Triode
1951
B7G
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH109
Triple Diode Triode
 
 
10LD12 UABC80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH118
Double Diode Triode
 
 
10LD3 14L7 UBC41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH119
Double Diode Triode
 
 
10LD13 14L7 UBC81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH142
Double Diode Triode
 
 
10LD3 141DDT 14L7 DH18 UBC41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH147
Double Diode Triode
 
 
6R7G DL63
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH149
Double Diode Triode
 
B8B
7C6 CV887
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH150
Double Diode Triode
1948
B8A
62DDT 6CV7 6LD3 DH718 EBC41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH18
Double Diode Triode
 
 
10LD3 141DDT 14L7 DH141 UBC41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH2
Double Diode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH3-91
Cathode-Ray Tube
1953
B8B
1CP1 CV2302
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH30
Double Diode Triode
1934
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH42
Double Diode Triode
1936
 
11A2 AC/HL/DD DDT4 DDT H4D MHD4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH63
Double Diode Triode
1937
IO
6Q7G CV587 W1526
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH63M
Double Diode Triode
1937
IO
6Q7G CV587 W1526
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH7-91
Cathode-Ray Tube
1960
B9G
24D 3AFP31
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH718
Double Diode Triode
1955
 
6CV7 6LD3 EBC41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH719
Triple Diode Triode
1955
B9A
6AK8 6LD12 EABC80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH76
Triode
1947
IO
12Q7GT DL74 DL74M
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH77
Double Diode Triode
1950
B7G
6AT6 CV452 EBC90
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DH81
Pentode
1947
B8B
6Q7GT 7B6 CV882
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DK1
Heptode
1939
Ct8
CV2910
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DK32
Heptode
1945
IO
1A7G 1A7GT CV1802 X14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DK40
Heptode
1948
 
MDK40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DK91
Heptode
1947
B7G
1C1 1H33 1R5 CV782 X17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DK92
Heptode
1951
B7G
1AC6 1C2 CV5172 X18 X20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DK96
Heptode
1953
B7G
1AB6 1C3 X25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL1
Pentode
1939
Ct8
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL145
Double Diode Triode
 
 
10LD11
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL2
Pentode
1939
Ct8
CV2911
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL33
Pentode
1946
IO
3Q5GT CV819 N16
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL35
Beam Tetrode
1946
IO
1C5G 1C5GT CV1803 N14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL37
Pentode
 
 
CV2299
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL620
Pentode
 
B5A
CV2238 XFY14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL63
Double Diode Triode
1939
IO
6R7G CV2912 DH147 OM4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL64
Pentode
 
B5A
CV2331
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL66
Pentode
 
B5A
CV2106 CV2288
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL67
Pentode
1950
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL68
Pentode
 
B5A
3B4 CV2240
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL69
Pentode
 
CV2361
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL70
Pentode
 
B8D & B8D/F
CV2105
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL71
Pentode
 
B8D & B8D/F
CK502AX CV385
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL72
Pentode
 
B8D & B8D/F
CK506 CV387
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL73
Pentode
1957
B8D & B8D/F
CV2299 VX8092
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL74M
Pentode
1940
 
12Q7GT DH76
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL75
Pentode
 
B8D & B8D/F
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL82
Double Diode Triode
1947
B8B
7B6 DH81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL91
Pentode
1948
 
1S4 CV783
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL92
Pentode
1947
B7G
1P10 2P2 3S4 CV820 CV2370 N17 VT-174
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL93
Pentode
1950
 
3A4 CV807 CV2390 E1485
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL94
Pentode
1950
B7G
1P11 3V4 CV2983 N19
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL95
Pentode
1950
 
3Q4 CV818 N18
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL96
Pentode
1953
B7G
1P1 3C4 N25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DL98
Pentode
1957
 
3B4 CV2259
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DLS1
Thermal Delay Switch
 
CV2913
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DLS10
Thermal Delay Switch
 
B4
AD1 CV190 CV1314
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DLS15
Thermal Delay Switch
1949
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DLS16
Thermal Delay Switch
1949
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DLS19
Thermal Delay Switch
1946
 
CV342 SH342 VLS631
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DM160
Fluorescent Column
1957
CV5412
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DM70
Tuning Indicator
1952
B8D & B8D/F
1M1 1M3 CV2980 Y25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DM71
Tuning Indicator
1952
1M1 1M3 Y25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DN143
Double Diode Pentode
1947
B8B
EBL21
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DN41
Double Diode Pentode
1935
 
AC2/Pen/DD DDPP4B PT4D
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DO24
Triode
1931
B4
CV1040 NR47 P27-500 PP5/400 PX25 VR40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DO25
Triode
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DO26
Triode
1933
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DO30
Triode
1937
 
CV1178 CV563 DA30 NR56
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DO60
Triode
1930
 
BS60 CV1206 DA60
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DP-Pen
Pentode
1933
B7
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DP4-1
Cathode-Ray Tube
1953
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DP61
Pentode
 
 
6AK5 EF95 PM05
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DPT
Pentode
1931
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DR2000
Indicator
1968
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DS103
 
 
 
CV94
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DS310
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DS311
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DS320
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DT215
Double Diode Triode
1936
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DT41
Double Diode Triode
1937
B7
TDD4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DU1
Rectifier HW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DU10
Rectifier HW
1929
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DU15
Rectifier HW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DU2
Rectifier FW
1928
DU/2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DU3
Rectifier HW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DU4
Rectifier HW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DU5
Rectifier FW
1926
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DV-2
Triode
 
UV
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DV-3
Triode
1925
UV
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DV-5
Triode
1925
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DV55
Heil Tube
 
 
CV230 V230C/1D
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW1
Rectifier FW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW15
Rectifier FW
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW2
Rectifier FW
1930
B4
1821 500BU CV1443 R1 UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW2X
Rectifier FW
 
 
1821 500BU CV1443 R1 UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW3
Rectifier FW
1931
B4
DW4-350 R2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW30
Rectifier FW
1929
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW4
Rectifier FW
1931
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW4/350
Rectifier FW
1936
B4
1561 442BU 460BU BVA216 CV1796 DW3 R2 R3 R4 R42 RV120/350 U12/14 UU120/350 UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW4/500
Rectifier FW
1939
 
1561 460BU AU4 CV1064 NU3 R3 R4 RV120/500 S11D U12/14 UU5 VU64
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW5
Rectifier HW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW6
Rectifier FW
1931
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW7
Rectifier HW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW7X
Rectifier HW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DW8
Rectifier FW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DY51
Rectifier HW
1965
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DY70
Rectifier HW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DY802
Rectifier HW
1965
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DY86
Rectifier EHT
1955
B9A
1S2 1S2A DY87
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DY86/87
Rectifier EHT
1955
B9A
152A 1S2 1S2A DY86
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DY87
Rectifier EHT
1955
B9A
152A 1S2 1S2A DY86
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
DeForest
Triode
 
 
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