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List of Valves by Designation with Equivalent Types

 
10
1937
Triode
CV0603

100/60Z
 
Voltage Stabiliser
 
100MD1
 
Monitor Diode
BS510
100MD4
 
Monitor Diode
BS510
100T
 
Triode
CV2550
100TH
 
Triode
CV2551 CV2552

101KXX90WB
 
Cathode-Ray Tube
 
104AC
1931
Tetrode
 
104V
1929
Triode
CV1160 CV1161 NR27 NR27A
10667B
 
Camera Tube (Videcon)
7735B
10667F
 
Camera Tube (Videcon)
7038
10667G
 
Camera Tube (Videcon)
P810

108C1
 
B7G
1
2
3
4
5
6
7
a
k
ic
k
a
ic
k
 
Voltage Stabiliser
Stabiliser
Va
mAa
108
30
 
0B2 CV1833 QS1208 G108/1K

10AC/425
 
Triode
 

10C1
1947
B8A
1
2
3
4
5
6
7
8
h
a
a(t)
g1(t),g3
g2,g4
g1
k
h
 
Triode Heptode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
28
0.1
175
100
-2.5
3.0
6.0
2.2M
0.65
 
X118 X145

10C14
 
B9A
1
2
3
4
5
6
7
8
9
g2,g4
g1
k,g5,s
h
h
a
g3
a(t)
g1(t)
 
Triode Hexode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
19.0
0.1
200
120
-2.6
3.7
8.1
1.0M
0.78
 
UCH81 X119 19D8

10C2
 
B8A
1
2
3
4
5
6
7
8
h
a
a(t)
g1(t)
g2
g1
k,s
h
 
Triode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
28
0.1
150
150
0
4.7
1.3
-
2.1
 
 

10CV1180243
 
Cathode-Ray Tube
 

10D1
1936
B5
1
2
3
4
5
a(1)
a(2)
h
h
k
 
Double Diode
Diode
Vh
Ah
Va
mAa
13.0
0.2
50
8.0
 
2D13C ARDD1 CV1300 CV1418 DD13 ZD
10D2
 
Diode
 
10E/45
 
Rectifier MV
 

10F1
1948
B8A
1
2
3
4
5
6
7
8
h
a
g3,s
g2
k
g1
k
h
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
22
0.1
200
200
-1.8
10
2.6
0.9M
9
 
Z145
10F18
 
Pentode
13EC7 W119
10F3
 
Pentode
 

10F9
1947
B8A
1
2
3
4
5
6
7
8
h
a
s
g3
g2
g1
k
h
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
13.0
0.1
175
100
-2.5
7.0
2.0
1M
2.3
 
W118 W145

10FD12
 
B9A
1
2
3
4
5
6
7
8
9
g2
g1
k,s
h
h
a
a(d1)
a(d2)
g3
 
Double Diode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
μ
19
0.1
200
100
-0
11.0
3.3
0.3M
3.5
20
 
19FL8 UBF89 WD119
10L1
 
Triode
 

10L14
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
s
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
gm
26
0.1
200
-2.1
10
6.2
 
B109 UCC85

10LD11
1947
B8A
1
2
3
4
5
6
7
8
h
a
g1
s
a(d2)
a(d1)
k
h
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
15.0
0.1
250
-5.9
5.0
13,500
2.3
 
DL145

10LD12
 
B9A
1
2
3
4
5
6
7
8
9
a(d3)
a(d2)
k(d2)
h
h
a(d1)
k,k(d1),k(d3)
g1
a
 
Triple Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
28
0.1
200
-2.3
1
50k
1.4
 
DH109 UABC80 28AK8

10LD13
 
B9A
1
2
3
4
5
6
7
8
9
a
g1
k
h
h
a(d1)
s
a(d2)
ic
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
gm
μ
14
0.1
250
-1.5
5.0
1.65
70
 
DH119 UBC81

10LD3
 
B8A
1
2
3
4
5
6
7
8
h
a
g1
s
a(d2)
a(d1)
k
h
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
13.0
0.1
100
-0.7
0.8
54k
1.4
 
141DDT 14L7 DH142 DH118 UBC41 B109
10M1
 
Tuning Indicator
 

10M2
 
IO
1
2
3
4
5
6
7
8
h
ic
a(2)
t
g1
a(1)
k
h
 
Tuning Indicator
CRT
Vh
Ah
Va
Vg
mAa
12.6
0.1
200
-
0.4
 
UM35

10P13
1948
B8A
1
2
3
4
5
6
7
8
h
a
ic
ic
g2
g1
k
h
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
D
40
0.1
180
150
-6.3
29
5.8
7.5
2.6W
10%
 
N145 N118

10P14
1947
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
-
h
k
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
D
40.0
0.1
195
210
-11.5
51.0
12.7
7.4
4.4W
7%
 
 

10P18
 
B9A
1
2
3
4
5
6
7
8
9
ic
g1
k,g3
h
h
ic
a
ic
g2
 
Pentode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pdiss
Pout
D
45
0.1
170
170
-12.5
70
5
230k
10
12.0W
5.2
10%
 
45B5 N119 UL84

10PL12
 
B9A
1
2
3
4
5
6
7
8
9
g1(t)
k,g3,S
g1
h
h
a
g2
k(t)
a(t)
 
Triode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pdiss
Pout
D
50
0.1
250
250
-22.5
28
5.5
25,000
5.0
7.0W
3.4W
10%
 
50BM8 LN119 UCL82

110
 
IO
1
2
3
4
5
6
7
8
tc
-
h
-
g2
g1
-
h
k
a
 
Beam Tetrode
Beam Tetrode
Vh
Ah
gm
6.3
0.9
4.4
 
CV0276
1100
 
Beam Tetrode
 

11000
 
B7
1
2
3
4
5
6
7
tc
-
g1
s
h
h
k
g2
a
 
Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
D
4.0
2.0
250
250
-25
85
20
6.3
7.5
9%
 
CV0073

110D
 
Cathode-Ray Tube
 

110E/302
 
Triode
 

1163
 
GES
1
2
tc
f
f
a
 
 
Rectifier
Vh
Ah
Va
mAa
2.3
18.0
75
6,000
 
68506
116Pen
 
Pentode
ARP22 CV1337
117L7GT
1940
Rectifier (HW) Beam Tetrode
CV2556
117M7GT
1940
Rectifier (HW) Beam Tetrode
 
117N7GT
1940
Diode Tetrode
CV2557
117P7GT
1940
Rectifier (HW) Beam Tetrode
 

117Z3
1948
B7G
1
2
3
4
5
6
7
ic
nc
h
h
a
k
nc
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
117
0.04
117
90
 
 

117Z6GT
1940
Rectifier FW
CV2558

118-0243
 
Triode
Triode
Vh
Ah
Va
Vg
gm
μ
6.3
0.4
350
0
7.0
70
 
 
11A1
 
Triode
3B/152K A2293

11A2
1933
B7
1
2
3
4
5
6
7
tc
a(d2)
m
a(d1)
h
h
k
a
g1
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
1.0
250
-4
4.0
18,200
2.2
 
AC/HL/DD DDT MHD4 DDT4 DH42 H4D TDD4

11D3
1934
B7
1
2
3
4
5
6
7
tc
a(d2)
m
a(d1)
h
h
k
a
g1
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
13.0
0.2
250
-1.5
1.0
83,300
1.5
 
CV1419 HL/DD/1320 13DHA HAD TDD13C
11D5
 
Triode
 

11E13
 
B9A
1
2
3
4
5
6
7
8
9
g1(1)
k,s
g1(2)
h
h
a(1)
g2,g2
a(2)
hct
 
Tetrode (Power)
Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
Pdriv
Pout
Pdiss
freq
6.3
0.83
300
175
-40
76
3
0.5W
14
10W
225
 
55B/100K TT24 CV2798 6360 CV8066 QQV03-10
11E14
 
Pentode
5B/102D EL360 CV5830
11E15
 
Tetrode (Power)
C1134
11E16
 
Tetrode (Power)
C178A/5894

11E2
 
IO
1
2
3
4
5
6
7
8
tc
-
h
-
g2
g1
-
h
k
a
 
Tetrode
Beam Tetrode
Vh
Ah
gm
6.3
0.9
4.4
 
CV0345

11E3
 
B7
1
2
3
4
5
6
7
tc
-
g1
s
h
h
k
g2
a
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
D
4.0
2.0
250
250
-25
85
20
6.3
7.5
9%
 
KT44

11TA31
 
B7G
1
2
3
4
5
6
7
a
k
ic
k
a
ic
k
 
Voltage Stabiliser
Stabiliser
Va
mAa
150
5-30
 
0A2

1210
 
B7G
1
2
3
4
5
6
7
a
k
ic
k
a
ic
k
 
Voltage Stabiliser
Stabiliser
Va
mAa
150
30
 
0A2WA CV4020 M8223

121VP
 
B8A
1
2
3
4
5
6
7
8
h
a
ic
ic
g2
g1
k
h
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.1
170
100
-2.5
6.0
1.75
0.9M
2.3
 
12AC5 UF41
1255FIM
 
Camera Tube (Videcon)
7038
1255IND
 
Camera Tube (Videcon)
P810
1255N
 
Camera Tube (Videcon)
P864
1255NOR
 
Camera Tube (Videcon)
7038

12A5
1940
UX7
1
2
3
4
5
6
7
h
a
g2
g1
k
hct
h
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
6.3
0.6
180
180
-25
48
14
35,000
2.4
3.4W
11%
 
CV0908

12A6
1942
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
-
h
k
 
Pentode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
12.6
0.15
250
250
-12.5
30
3.5
70k
3.0
2.4
 
CV0525 VT-134
12A6GT
 
Pentode
CV0526
12A7
1937
Diode Triode
CV0909

12A8GT
 
IO
1
2
3
4
5
6
7
8
tc
s
h
a
g3,g5
g1
g2
h
k
g4
 
Heptode
Heptode
Vh
Ah
Va
Vs
12.6
0.15
300
300
 
CV0910

12AC5
 
B8A
1
2
3
4
5
6
7
8
h
a
ic
ic
g2
g1
k
h
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.1
170
100
-2.5
6.0
1.75
0.9M
2.3
 
UF41 W142 121VP
12AC6
 
Pentode
 
12AD6
 
Heptode
 
12AE6
 
Double Diode Triode
 

12AF6
1955
B7G
1
2
3
4
5
6
7
g1
g3,s
h
h
a
g2
k
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
16.0
16.0
-0
-
-
0.3M
1.15
 
 
12AH7GT
 
Double Triode
CV0529
12AH8
 
Triode Heptode
20D3 CV5317

12AT6
1946
B7G
1
2
3
4
5
6
7
g1
k
h
h
a(d2)
a(d1)
a
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
12.6
0.15
250
-3
1
58k
1.2
 
HBC90

12AT7
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.6
250
2.0
10.0
10,000
5.5
 
B309 CV0455 ECC81 E2157 B152

12AT7WA
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a
g1
k
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
170
-1
8.5
11k
5.9
 
6060 CV4024 M8162 QA2406
12AU6
 
Pentode
CV1961 HF94

12AU7
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
gm
6.3
0.3
250
-8.5
10.5
2.2
 
B329 CV0491 ECC82 E2163

12AU7A
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
gm
6.3
0.3
250
-8.5
10.5
2.2
 
CV4003 M8136

12AW6
1947
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
g2
g3
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
300
150
-8
7.0
2.0
0.3M
5.0
 
 

12AV6
1955
B7G
1
2
3
4
5
6
7
g1
k
h
h
a(d2)
a(d1)
a
 
Double Diode Triode
Triode
Vh
Ah
12.6
0.15
 
HBC91

12AV7
 
B9A
1
2
3
4
5
6
7
8
9
a(1)
g1(1)
k(1)
h
h
a(2)
g1(2)
k(2)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
6.3
0.45
300
-12
 
6BK7B CV10175

12AX7
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-2
1.2
62.5K
1.6
 
6L13 B339 CV0492 ECC83 E2162 12DT7
12AY7
 
Double Triode
CV3650

12B7
1940
B8B
1
2
3
4
5
6
7
8
h
a
g2
g3
s
g1
k
h
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
100
-3
9.2
2.6
0.8M
2
 
14A7
12B8GT
1940
Triode Pentode
CV0911

12BA6
 
B7G
1
2
3
4
5
6
7
g1
g3,s
h
h
a
g2
k
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
gm
6.3
0.3
250
100
-1
11
4.4
 
CV1928 HF93

12BE6
1950
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
g2,g4
g3
 
Heptode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Vosc
12.6
0.15
250
100
-1.5
3
7.1
1M
0.475
10
 
HK90

12BH7
1953
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.6
250
-10.5
11.5
5500
3.1
 
CV5042

12BY7A
1955
B9A
1
2
3
4
5
6
7
8
9
k
g1
g3
h
h
hct
a
g2
g3
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.6
250
150
-68
25
6
110k
12
 
12BV7 12DQ7 7733

12C8
 
IO
1
2
3
4
5
6
7
8
tc
m
h
a
a(d2)
a(d1)
g2
h
k
g1
 
Double Diode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
125
-3
9
2.3
0.6M
1.12
 
12C8GT CV0531

12C8GT
 
IO
1
2
3
4
5
6
7
8
tc
m
h
a
a(d2)
a(d1)
g2
h
k
g1
 
Double Diode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
125
-3
9
2.3
0.6M
1.12
 
12C8 CV0531 CV3827

12CA5
 
B7G
1
2
3
4
5
6
7
k,g3
g1
h
h
g1
g2
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pdiss
Pout
D
12.6
0.6
130
130
-1
32.0
-
16,000
8.1
5W
1.1W
5%
 
 

12CN5
 
B7G
1
2
3
4
5
6
7
k,g3
g1
h
h
g1
g2
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.45
16.0
16.0
-0
4.5
0.35
40,000
3.8
 
 
12CS7GT
 
Double Triode
CV3938

12DE8
1957
B9A
1
2
3
4
5
6
7
8
9
g1
k(d)
a(d)
h
h
a
g3
g2
k
 
Diode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.2
30.0
30.0
-1
20.0
-
0.3M
1.5
 
 

12DT7
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-2
1.2
62.5K
1.6
 
12AX7 6L13 ECC83

12E1
1952
IO
1
2
3
4
5
6
7
8
tc
-
h
-
g2
g1
-
h
k
a
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
6.3
1.6
800
300
 
CV0345 CV8025 5B/351D
12E12
 
Tetrode (Pulse Amplifier)
C1150/1
12E14
 
Beam Tetrode
5B/354D
12E1C
 
Beam Tetrode
5B/355D

12E1R
 
IO
1
2
3
4
5
6
7
8
tc
-
h
-
g2
g1
-
h
k
a
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
6.3
1.6
800
300
 
 

12EA6
1957
B7G
1
2
3
4
5
6
7
g1
g3
h
h
a
g2
k
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.175
16.0
16.0
-3.4
3.2
1.4
32,000
3.8
 
 
12TFK2
 
 
K3032

12H6
1940
IO
1
2
3
4
5
6
7
8
m
h
a(2)
k(2)
a(1)
-
h
k(1)
 
Double Diode
Diode
Vh
Ah
Va
mAa
12.6
0.10
117
8
 
CV0916 VT-214

12HG7
1965
B9A
1
2
3
4
5
6
7
8
9
k
g1
g3
h
h
hct
a
g2
g3
 
Pentode
Pentode
Vh
Ah
Va
Vs
mAa
mAs
ra
gm
μ
6.3
0.52
300
135
31.0
4.8
60,000
32
1920
 
 
12J5
 
Triode
CV0534
12J5GT
 
Triode
CV0535

12J7GT
 
IO
1
2
3
4
5
6
7
8
tc
m
h
a
g2
g3
-
h
k
g1
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
100
-3
2.0
0.5
1.5M
1.25
 
CV0917
12K5
 
Pentode
 

12K7GT
 
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g3
nc
h
k
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
125
-3
10.5
2.6
0.6M
1.65
 
CV0918 KTW74M W76
12K8
 
Triode Hexode
CV0703

12K8GT
 
IO
1
2
3
4
5
6
7
8
tc
m
h
a
g2,g4
g1(t),g1
a(t)
h
k
g3
 
Triode Hexode
Hexode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
100
-3
2.5
6
0.6M
0.36
 
CV3927 X76M X71M

12Q7GT
1947
IO
1
2
3
4
5
6
7
8
tc
m
h
a
a(d2)
a(d1)
nc
h
k
g1
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
12.6
0.15
250
-3
1
58k
1.2
 
DH76 DL74M DL74

12S7
 
B8A
1
2
3
4
5
6
7
8
h
a
a(d)
g3
g2
g1
k,s
h
 
Diode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.1
200
85
-2.0
5.0
1.5
1.0M
2.0
 
UAF42 WD142
12S7WGT
 
Double Triode
CV3983

12SA7
 
IO
1
2
3
4
5
6
7
8
g5
h
a
g2,g4
g1
k
h
g3
 
Heptode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
ra
12.6
0.15
300
100
-0
14.0
1.0M
 
CV0537
12SA7GT
1940
Heptode
CV0538
12SC7
 
Double Triode
CV0540

12SF5
 
IO
1
2
3
4
5
6
7
8
m
k
g1
-
a
-
h
h
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
12.6
0.15
200
-2
0.9
66,000
1.15
100
 
CV0919
12SF5GT
1940
Triode
CV0920
12SF7
1940
Diode Pentode
CV0921
12SF7GT
 
Diode Pentode
CV0170

12SG7
1940
IO
1
2
3
4
5
6
7
8
m
h
k
g1
k
g2
h
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
ra
gm
12.6
0.15
250
150
-2.5
9.2
1M
4
 
CV0694 VT-209
12SH7
 
Pentode
CV0922
12SH7GT
 
Pentode
CV3651

12SJ7
 
IO
1
2
3
4
5
6
7
8
m
h
g3
g1
k
g2
h
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
100
-3
3
0.8
1M
1.65
 
CV0697
12SJ7GT
1940
Pentode
CV0698 CV0923

12SK7
 
IO
1
2
3
4
5
6
7
8
m
h
g3
g1
k
g2
h
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
100
-3
9.2
2.6
0.8M
2.0,
 
CV0543
12SK7GT
1940
Pentode
CV0544
12SL7GT
 
Double Triode
CV0924

12SN7
 
IO
1
2
3
4
5
6
7
8
g1(2)
a(2)
k(2)
g1(1)
a(1)
k(1)
h
h
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
12.6
0.3
250
-8
9.0
7,700
2.6
 
B36

12SN7GT
1940
IO
1
2
3
4
5
6
7
8
g1(2)
a(2)
k(2)
g1(1)
a(1)
k(1)
h
h
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
12.6
0.3
250
-8
9.0
7,700
2.6
 
B36 CV0925
12SQ7
 
Double Diode Triode
CV0546
12SQ7GT
1940
Double Diode Triode
CV0547

12SQ7GT/G
 
IO
1
2
3
4
5
6
7
8
m
g1
k
a(d2)
a(d1)
a
h
h
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
12.6
0.15
250
-2.0
0.9
91,000
1.1
 
 

12SR7
1940
IO
1
2
3
4
5
6
7
8
m
g1
k
a(d2)
a(d1)
a
h
h
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
12.6
0.15
250
-2
0.9
91K
1.9
 
CV0700
12SR7GT
 
Double Diode Triode
CV3980
12SW7
 
Double Diode Triode
CV3666
12SX7GT
 
Double Triode
CV3697
12SY7
 
Heptode
CV3668
12U5
 
Tuning Indicator
 

12VPA
 
B7
1
2
3
4
5
6
7
tc
-
a
g3
h
h
k
g2
g1
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
μ
13
0.2
250
125
-1
10.0
3.5
0.6M
1.65
1,000
 
9D2 ARP3 CV1321 VR106

12X4
 
B7G
1
2
3
4
5
6
7
a(2)
-
h
h
-
a(1)
k
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
12.6
0.15
325
70
 
 
12X825
 
 
68510

12Z3
1933
UX4
1
2
3
4
h
a
k
h
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
12.6
0.3
350
55
 
CV0927

12Z5
1937
UX6
1
2
3
4
5
6
hct
h
a(1)
k
a(2)
h
 
Rectifier FW
Pentode
Vh
Ah
Va
mAa
6.3
0.8
230
60
 
6Z5

130
 
B7A
1
2
3
4
5
6
7
h
hct
g1
k
g2
a
h
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
mAa
gm
Pdiss
13.0
2.6
800
300
300
35.0
90W
 
7972 CV6045
13201A
 
Voltage Stabiliser
 
13D1
 
Double Triode
CV0423 25SN7

13D2
 
IO
1
2
3
4
5
6
7
8
g1(2)
a(2)
k(2)
g1(1)
a(1)
k(1)
h
h
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.8
250
-8
10
7.7k
1.6
 
6SN7GT ECC32 B65 6SN7

13D3
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.65
250
-4.6
6.0
14,000
2.3
 
CV2212

13D5
 
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
gm
6.3
0.3
250
-8.5
10.5
2.2
 
12AU7 ECC82
13D7
 
Double Triode
ECC807
13D8
 
Double Triode
 

13DHA
1934
B7
1
2
3
4
5
6
7
tc
a(d2)
m
a(d1)
h
h
k
a
g1
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
13.0
0.2
250
-1.5
1.0
83,300
1.5
 
11D3 202DDT H4D HL/DD/1320 TDD13C

13E1
1946
B7A
1
2
3
4
5
6
7
h
hct
g1
k
g2
a
h
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
mAa
gm
Pdiss
13.0
2.6
800
300
300
35.0
90W
 
C1158 5B/900A CV2377 CV6045 CV8061 7972
13E12
 
Beam Tetrode
5B/901A

13E4
 
IO
1
2
3
4
5
6
7
8
-
h
a
g2
g1
-
h
k,bp
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
6.3
1.8
300
300
-20
130
13.5
12
12.5W
 
7D11 CV5220 KT88

13SPA
1934
B7
1
2
3
4
5
6
7
tc
m
a
g3
h
h
k
g2
g1
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
13.0
0.2
200
200
-2.2
2.5
0.9
2.5M
2.8
 
CV0929 SP13C 8D2

13VPA
1935
B7
1
2
3
4
5
6
7
tc
-
a
g3
h
h
k
g2
g1
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
μ
13
0.2
250
125
-1
10.0
3.5
0.6M
1.65
1,000
 
9D2 CV1106 VP1322 C50N

141DDT
 
B8A
1
2
3
4
5
6
7
8
h
a
g1
s
a(d2)
a(d1)
k
h
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
13.0
0.1
100
-0.7
0.8
54k
1.4
 
10LD3 14L7 DH142 DH18 UBC41

141TH
 
B8A
1
2
3
4
5
6
7
8
h
a
a(t)
g(t),g3
g2,g4
g1
k
h
 
Triode Heptode
Hexode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
14
0.1
200
85
-2
3
3
1M
0.75
 
14K7 UCH42 X142

142BT
 
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
-
h
k
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
14.0
0.2
180
180
-8.5
29.0
3.0
58,000
3.7
 
 

1478K
 
Cathode-Ray Tube
CRT
Vh
Ah
Va
6.3
0.3
17,500
 
CV6229

14A7
1940
B8B
1
2
3
4
5
6
7
8
h
a
g2
g3
s
g1
k
h
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
100
-3
9.2
2.6
0.8M
2
 
12B7 CV3935
14A7/12B7
1940
Pentode
 

14GW8
 
B9A
1
2
3
4
5
6
7
8
9
g1(t)
k(t)
g2
h
h
a
k,g3,s
g1
a(t)
 
Triode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
13.3
0.3
230
230
-5.7
41
10.5
45,000
10.5
4.1W
10%
 
PCL86
14H7
 
Pentode
 

14K7
 
B8A
1
2
3
4
5
6
7
8
h
a
a(t)
g(t),g3
g2,g4
g1
k
h
 
Triode Heptode
Hexode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
14
0.1
200
85
-2
3
3
1M
0.75
 
UCH42 X142 141TH

14L7
 
B8A
1
2
3
4
5
6
7
8
h
a
g1
s
a(d2)
a(d1)
k
h
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
13.0
0.1
100
-0.7
0.8
54k
1.4
 
10LD3 UBC41 DH142 141DDT DH118
14R7
 
Double Diode Pentode
CV3937

14S7
 
B8B
1
2
3
4
5
6
7
8
h
a
a(t)
g1(t),g3
g2,g4
g1
k,s
h
 
Triode Heptode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
gm
12.6
0.15
250
100
-2
1.8
0.53
 
CV3936

14Y4
1952
B8B
1
2
3
4
5
6
7
8
h
-
a(2)
-
-
a(1)
k
h
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
12.6
0.25
325
70
 
 
14Z3
 
Rectifier HW
 
15
1937
RF Pentode
 

150A2
 
B7G
1
2
3
4
5
6
7
k
k
k
-
a
a
a
 
Voltage Stabiliser
Stabiliser
Va
mAa
95
10
 
CV0286 QS95/10

150B2
 
B7G
1
2
3
4
5
6
7
a
k
ic
ic
ic
ic
ic
 
Voltage Stabiliser
Stabiliser
Va
mAa
150
5-30
 
M8163 M8208 QS1200 CV2225 0A2 G150/4K

150B3
 
B7G
1
2
3
4
5
6
7
-
k
-
pa
-
a
-
 
Voltage Stabiliser
Stabiliser
Va
mAa
150
2-10
 
CV0287 GTR150M/S QS150/15

150C2
1954
B7G
1
2
3
4
5
6
7
a
k
ic
k
a
ic
k
 
Voltage Stabiliser
Stabiliser
Va
mAa
150
5-30
 
0A2 CV1832 GD150M QS1207 STV150-30 G150/4K

150C3
 
IO
1
2
3
4
5
6
7
8
nc
k
7
nc
a
nc
3
nc
 
Voltage Stabiliser
Stabiliser
Va
Vstab
mAa
180
150
5-40
 
0D3 CV0216 QS150/40 VR150/30

150C4
 
B7G
1
2
3
4
5
6
7
a
k
ic
k
a
ic
k
 
Voltage Stabiliser
Stabiliser
Va
mAa
150
5-30
 
0A2 G150/4K QS1207 CV1832

154V
1929
Triode
Triode
Vh
Ah
Va
ra
gm
μ
4
0.65
200
7,500
2.0
15
 
 

1561
 
B4
1
2
3
4
a(1)
a(2)
f
f
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
4.0
2.3
500
120
 
CV1064 UU5

15A2
1934
B7
1
2
3
4
5
6
7
tc
g2
g1
g3,g5
h
h
m,k
a
g4
 
Heptode
Octode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
4.0
0.65
250
70
-1.5
1.6
3.8
0.6
 
41MPG CV3576 FC4 MH4105 MX40 V04 VHT4 X42

15A5
 
B7
1
2
3
4
5
6
7
tc
g2
g1
g3,g5
h
h
m,k
a
g4
 
Pentode
Heptode
Vh
Ah
Va
Vs
Vg
gm
4.0
1.0
250
80
-3
0.5
 
FCH 41MPG A80A MX40 FC4 UHT4 X42 A80

15A6
 
B9A
1
2
3
4
5
6
7
8
9
g2
g1
k
h
h
g3
a
s
-
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
15
0.3
170
170
-2.3
36.0
5.0
0.1M
10.0
 
PL83 N153 N309

15CW5
 
B9A
1
2
3
4
5
6
7
8
9
ic
g1
k
h
h
ic
a
ic
g2
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
15
0.3
170
170
-12.5
70
5.0
20,000
6.4
3.5W
10%
 
30P18 PL84 N379
15D1
1934
Heptode
CV2956
15D12
 
Triode (Power)
B1153
15D2
 
Heptode
CV1107 VR107

15DQ8
 
B9A
1
2
3
4
5
6
7
8
9
g1(t)
a(t)
k(t)
h
h
a
k,g3,s
g1
g2
 
Triode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pdiss
15
0.3
220
220
-3.3
18
3.2
0.15M
9.5
4.0W
 
PCL84

15E
1940
Triode
CV0933

15R
1940
1
2
tc
f
f
a
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
5.0
4.0
20,000
30
 
 
1603
 
Pentode
CV0652
1611
 
Triode
CV0653
1612
 
Heptode
CV0654
1613
 
Pentode
CV0655
1616
 
Rectifier HW
CV0656

1619
1938
IO
1
2
3
4
5
6
7
8
M
f
a
g2
g1
-
f
bp
 
Pentode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
2.5
2.0
400
300
-125
75
5.0
 
CV0723
1620
 
Pentode
CV0657
1622
 
Tetrode
CV0658

1625
1944
UX7
1
2
3
4
5
6
7
tc
h
nc
g2
g1
nc
k,g3
h
a
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
12.6
0.45
300
250
-14
83
8
20k
6.5
6.7W
 
CV0659

1626
1940
IO
1
2
3
4
5
6
7
8
-
h
a
-
g1
-
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
Pdiss
Pout
μ
12.6
0.5
250
-150
25
5W
4W
5
 
CV1755

1628
 
Triode
 

1629
 
IO
1
2
3
4
5
6
7
8
-
h
a
t
g1
-
h
k
 
Tuning Indicator
CRT
Vh
Ah
Va
mAa
12.6
0.15
250
0.25
 
CV1756

1637
 
Pentode
 

1638
1941
IO
1
2
3
4
5
6
7
8
m
h
a(2)
k(2)
a(1)
-
h
k(1)
 
Double Diode
Diode
Vh
Ah
Va
mAa
6.3
0.2
200
0.8
 
VR54
1642
 
Double Triode
2C21 CV0875 RK33

160AB22
 
Colour TV Picture Tube
 

164V
1929
B5
1
2
3
4
5
a
g1
h
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
1.0
200
-9.0
12.0
4,700
3.4
 
SS4DetAC

16A
 
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
ic
g2
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
6.3
0.2
250
250
-13.8
16
2.4
130k
2.6
1.4W
 
6AM5 6P17 EL91

16A5
 
B9A
1
2
3
4
5
6
7
8
9
-
g1
k,g3
h
h
ic
a
ic
g2
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
16.5
0.3
170
170
-10.4
53
10
20,000
9.0
4W
10%
 
30P16 PL82 N154 N329

16A8
1955
B9A
1
2
3
4
5
6
7
8
9
g1(t)
k,g3,s
g1
h
h
a
g2
k(t)
a(t)
 
Triode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
16
0.3
170
170
-11.5
41
7.5
16k
7.5
3.3
10%
 
30PL12 PCL82
17
 
Rectifier MV
5557

17KW6
 
B9D
1
2
3
4
5
6
7
8
9
g1
ic
g2
h
h
a
k,g3
g1
ic
 
Pentode
Pentode
Vh
Ah
Va
Vs
mAa
mAs
Pdiss
ra
17
0.3
190
190
60.0
5.0
12W
10,000
 
PL508

17Z3
 
B9A
1
2
3
4
5
6
7
8
9
tc
ic
ic
ic
h
h
ic
ic
ic
a
k
 
Rectifier HW
Rectifier
Vh
Ah
Vg
mAa
17
0.3
-1
150
 
PY81 U153 U329

171DDP
 
B9A
1
2
3
4
5
6
7
8
9
g2
g1
k,s
h
h
a
a(d1)
a(d2)
g3
 
Double Diode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
17.0
0.1
170
85
-2.0
5.0
1.75
1M
2.2
 
UBF80
18
1937
Pentode
 

18042
1968
B9A
1
2
3
4
5
6
7
8
9
g2
g1
k
h
h
a
ic
ic
g3,s
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
18
0.1
210
120
-1
10.0
2.1
0.5M
9.0
 
 
18045
 
Pentode
 
18046
 
Pentode
 

18049
 
GES
1
2
tc
f
f
a
 
 
Rectifier
Vh
Ah
Va
mAa
2.3
18.0
75
6,000
 
2000 68506

1821
 
B4
1
2
3
4
a(1)
a(2)
f
f
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
4.0
1.0
250
60
 
CV1443 UU5
183/483
1940
Triode
 

1846
1941
IO
1
2
3
4
5
6
7
8
-
g2
-
a1
g1
k
h
h
 
Camera Tube (Iconoscope)
 
1848
 
Camera Tube (Iconoscope)
 
1851
 
Pentode
CV0599

1852
 
IO
1
2
3
4
5
6
7
8
m
h
g3
g1
k
g2
7
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
rk
ra
gm
6.3
0.45
300
150
-2
10
2.5
160
1M
9
 
6AC7 CV0660 CV1876
1853
 
Pentode
6AB7 CV0661

185BT
 
IO
1
2
3
4
5
6
7
8
tc
-
h
-
g2
g1
-
h
k
a
 
Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
18.0
0.45
180
180
-
 
CV1980
185BTA
 
Tetrode
 

1867
 
B4
1
2
3
4
a(1)
a(2)
f
f
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
4.0
2.3
500
120
 
UU5
18D3
 
Triode Pentode
ECF804

18GV8
 
B9A
1
2
3
4
5
6
7
8
9
a(t)
g1(t)
k(t)
h
h
a
g2
k,s,g3
g1
 
Triode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
18.0
0.3
170
170
-15
41
2.7
25,000
7.25
 
PCL85
19
1936
Double Triode
 
1900
 
 
CV0265
1907
 
Thyratron (Hydrogen)
CX1140

1950-0004
 
Backward Wave Osc.
 
19AQ5
 
Beam Tetrode
 
19BG6
 
Beam Tetrode
 

19BR5
 
B9A
1
2
3
4
5
6
7
8
9
g1
k,g
ic
h
h
ic
a
ic
t
 
Tuning Indicator
CRT
Vh
Ah
Va
mAa
19.0
0.1
200
7.0
 
UM80

19D8
 
B9A
1
2
3
4
5
6
7
8
9
g2,g4
g1
k,g5,s
h
h
a
g3
a(t)
g1(t)
 
Triode Heptode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
19.0
0.1
200
120
-2.6
3.7
8.1
1.0M
0.78
 
UCH81

19D8
 
B9A
1
2
3
4
5
6
7
8
9
g2,g4
g1
k,g5,s
h
h
a
g3
a(t)
g1(t)
 
Triode Heptode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
19.0
0.1
200
120
-2.6
3.7
8.1
1.0M
0.78
 
10C14 UCH81

19FL8
 
B9A
1
2
3
4
5
6
7
8
9
g2
g1
k,s
h
h
a
a(d1)
a(d2)
g3
 
Double Diode Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
μ
19
0.1
200
100
-0
11.0
3.3
0.3M
3.5
20
 
10FD12 UBF89
19G3
 
Rectifier HW
CV0277 2T/240D

19G6
1949
B7G
1
2
3
4
5
6
7
tc
k
-
h
h
-
-
-
a
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
4.0
0.5
2500
30
 
CV0371 SU45 CV8027 2S/280K

19H1
 
B4
1
2
3
4
tc
-
-
f
f
a
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
4.0
2.0
5800
75
 
2S/306B CV0121
19H4
 
Rectifier HW
CV2180 2T/350D

19H5
 
Rectifier HW
Rectifier
Vh
Ah
4.0
4.0
 
CV0490 2S/550C

19SU
 
B9A
1
2
3
4
5
6
7
8
9
ic
ic
k
h
h
ic
ic
ic
a
 
Rectifier HW
Pentode
Vh
Ah
Va
mAa
19.0
0.3
200
180
 
PY82 U192
19T8
 
Triple Diode Triode
 

19X3
 
B9A
1
2
3
4
5
6
7
8
9
ic
ic
k
h
h
ic
ic
ic
a
 
Rectifier HW
Rectifier
Vh
Ah
mAa
19
0.3
180
 
PY80 U152 U309

19Y3
1952
B9A
1
2
3
4
5
6
7
8
9
ic
ic
k
h
h
ic
ic
ic
a
 
Rectifier HW
Pentode
Vh
Ah
Va
mAa
19.0
0.3
200
180
 
PY82 U154 U319
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