List of Valves by Designation with Equivalent Types


NE16
Neon Indicator
991 CV0651 NE18

NE18
Neon Indicator
991 CV0651 NE16

NGT1
B5
1
2
3
4
5
tc
-
g
h
h
k
a
 
Thyratron
Thyratron
Vh
Ah
Va
mAa
4.0
1.75
350
1000
 
CV1141 GDT4C DPQ

NGT121
MO
1
2
3
4
5
6
7
8
h
k
a
nc
g
m
nc
h
 
Thyratron
Thyratron
Vh
Ah
Va
mAa
f.max
4.0
1.5
400
500
0.02
 
T41

NGT128
B5
1
2
3
4
5
a
g
h
h
k
 
Thyratron
Thyratron
Vh
Ah
Va
mAa
4.0
1.35
500
1000
 
GT1C

NGT2
B5
1
2
3
4
5
a
g
h
h
k
 
Thyratron
Thyratron
Vh
Ah
Va
mAa
4.0
1.35
500
1000
 
CV1128 GT1C VGT128

NGT4

Thyratron

CV1143 GT1A


NR15
Triode
Triode
Vh
Ah
Va
ra
gm
4.0
0.075
125
16,000
0.85
 
CV1151 PM3

NR15A
Triode
410LF CV1152 L410 PM4DX

NR16
B4
1
2
3
4
a
g1
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
4.0
0.2
200
0
-
2,150
3.0
6.5
 
CV1153 PM254

NR16A
B4
1
2
3
4
a
g1
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
4.0
0.2
200
0
-
2,150
3.0
6.5
 
CV1154 PM254 PM4DX

NR17
Triode
Triode
Vh
Ah
Va
ra
gm
3.8
0.11
100
35,000
0.2
 
CV1155

NR18
Triode
Triode
Vh
Ah
3.0
0.2
 
CV1156 DEQ

NR22

Tetrode

CV1158 PM14

NR23

Tetrode

CV1159 PM14 S410


NR26
B5
1
2
3
4
5
a
g1
h
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
1.0
250
-8
8.0
8,000
2.5
 
41MLF CV1038 MHL4 VR38

NR27

Triode

104V CV1160

NR27A

Triode

104V CV1161


NR28
B4
1
2
3
4
a
g
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.2
100
-7
4
7000
0.9
 
CV1019 PM2 VR19

NR31
B5
1
2
3
4
5
a
g1
h
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
1.0
250
-4
5.0
11,100
3.6
 
AR17 CV1037 MH4 VR37

NR35

Double Triode

CV1163 PM2BA PD220A

NR37

Tetrode

ACSG


NR38
B5
1
2
3
4
5
tc
g2
g1
h
h
k
a
 
Tetrode
Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
4.0
1.0
200
80
0.0
14.0
3.0
0.45M
2.4
 
VMS4

NR39
B5
1
2
3
4
5
a
g1
f(-)
f(+)
g2
 
Pentode
Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
2.0
0.2
150
150
-4.5
7.5
1.7
2.5
0.5
 
ARP1 CV1118 KT2 VR118 PM22A

NR40

Pentode

PM24D

NR41

Pentode

210VPT ARP13 CV1083 VP21 VR83


NR42
B4
1
2
3
4
a
g
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.2
150
-4.5
10.0
4000
4.0
 
AR5 AR6 CV1166 CV1304 LP2 VR22 P220

NR43
B5
1
2
3
4
5
a
g1
f-
f+
g2
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
4.0
0.275
300
200
-22.5
20
3.5
1.7
 
PM24A

NR44
B4
1
2
3
4
a
g
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
rk
rl
Pout
D
4.0
1.0
300
-50.0
50.0
830
6.0
1000
3500
4.5
4.0
 
CV1168 PX4

NR45
B7
1
2
3
4
5
6
7
tc
m
g1
g3
h
h
k
g2
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
4.0
1.0
250
100
-2.0
8.0
5.0
2.7
 
CV1169 VMP4G

NR46
B5
1
2
3
4
5
a(D1)
a(D2)
h
h
k
 
Double Diode
Diode
Vh
Ah
4.0
0.3
 
CV1170 D41

NR47
B4
1
2
3
4
a
g
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
Pout
D
4.0
2.0
500
-54
82
26
4%
 
CV1040 DO24 PX25 VR40

NR48
IO
1
2
3
4
5
6
7
8
tc
m
h
a
ad(2)
ad(1)
-
h
k
g
 
Double Diode Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.2
250
-5.5
5
15k
2
 
AR21 CV1055 EBC33 OM4 VR55

NR49
IO
1
2
3
4
5
6
7
8
tc
m
h
a
g2
g3
nc
h
k
g1
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.2
250
100
-2
3
0.8
2.5M
1.8
 
CV1056 EF36 OM5 VR56

NR50

Triode

CV1171 HA1 AT4


NR51
B7
1
2
3
4
5
6
7
tc
m
g1
g3
h
h
k
g2
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
4.0
1.0
250
100
-2.0
8.0
5.0
2.7
 
VMP4G

NR52
B5
1
2
3
4
5
a
g1
h
h
k
 
Triode
Triode
Vh
Ah
Va
ra
gm
4.0
0.65
250
11,500
3.5
 
354V CV1173

NR53
B7
1
2
3
4
5
6
7
-
g1
g2
h
h
k
a
 
Beam Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
4.0
1.0
250
250
-16.5
34
5.5
2.5
3.25
 
KT42

NR54

Pentode

CV1175 ZA1 AP4

NR54A

Pentode

AP4

NR55

Triode

4D1 AR7 CV1109 HL1320 VR109


NR56
B4
1
2
3
4
a
g
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
gm
4.0
2.0
500
-144
60
3.85 Pout_45W
 
CV1178 DA30 DO30

NR57
B5
1
2
3
4
5
a
g
h
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
Pout
4.0
1.0
200
-13.5
17
3,700
2.7
0.65W
 
AC/P CV1179 ML4

NR58
B5
1
2
3
4
5
a
g1
h
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
4.0
1.0
200
-5.6
5.5
9,250
2.7
25
 
244V CV1180 V312

NR59
B7
1
2
3
4
5
6
7
-
g1
g2
h
h
k
a,
 
Pentode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
D
4.0
2.0
250
250
-4.4
40
8.5
10.5
4.2W
8%
 
4066A 7A3 ARP25 CV1181 KT41 PenA4

NR60
B7
1
2
3
4
5
6
7
tc
a(d2)
m
a(d1)
h
h
k
a
g1
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
1.0
250
-4
4.0
18,200
2.2
 
CV1182 MHD4 H42

NR61

Pentode

CV1183 W42


NR64
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
8.0
2.7
0.46M
2.9
 
CV1281 KTW62 W281

NR65
B7
1
2
3
4
5
6
7
tc
m
g1
g3
h
h
k
g2
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
4.0
1.0
250
100
-1.75
3.3
1.0
2.4
 
MSP4

NR66
B5
1
2
3
4
5
a(D1)
a(D2)
h
h
k
 
Double Diode
Diode
Vh
Ah
4.0
0.3
 
CV1187 D41

NR67
IO
1
2
3
4
5
6
7
8
tc
m
h
a
g2,g4
g3
-
h
k
g1
 
Heptode
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
150
-6
3.3
8.3
1M
0.35
 
ARH1 CV1280 X64 6L7

NR68

Double Diode Triode

6Q7


NR69
IO
1
2
3
4
5
6
7
8
-
h
a
t
g
-
h
k
 
Tuning Indicator
CRT
Vh
Ah
Va
mAa
6.3
0.3
200
4.5
 
CV1103 VR103 Y63

NR70

Pentode

ARP23 CV1124 MS/Pen VR124

NR71

Pentode

MS/PenT

NR72

Pentode

CV1188 N43


NR73
IO
1
2
3
4
5
6
7
8
m
h
a(2)
g1(2)
g1(1)
a(1)
h
k
 
Double Triode
Triode
Vh
Ah
Va
Vg
mAa
6.3
0.8
300
0
35.0
 
6N7G CV1285 ECC31

NR74
B7
1
2
3
4
5
6
7
tc
-
g1
g2
h
h
k
-
a
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
Pdriv
Pout
freq
f.max
4.0
1.75
310
210
-6.9
63
14
1.0W
73W
20MHz
60MHz
 
AC6/Pen PV1-35

NR75

Pentode

ACP4

NR76

Tetrode

CV1191 KTZ41


NR77
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
nc
h
k
 
Pentode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
6.3
0.9
350
250
-18
54
2.5
33K
5.2
11W
15%
 
6L6G CV1286 EL35

NR78
IO
1
2
3
4
5
6
7
8
m
h
a
nc
g
nc
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-8
8
10K
2
 
6C5

NR78A
IO
1
2
3
4
5
6
7
8
m
h
a
-
g1
-
h
k
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-8
9
7,700
2.6
 
L63

NR79
MO
1
2
3
4
5
6
7
8
tc
h
k
a
g2
g3
m
-
h
g1
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
4.0
0.95
200
200
-1.5
20.0
5.0
9.0
 
ARP20 ARP21 CV1192 CV1336 SP42 Z62

NR80
IO
1
2
3
4
5
6
7
8
tc
tc
-
h
-
-
-
-
h
k
a
g1
 
Triode
Triode
Vh
Ah
Va
mAa
Pdiss
Pout
freq
f.max
6.3
0.2
300
25
3.5W
4.25W
50MHz
300MHz
 
CV1135 DET20 VR135 E1148

NR81
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
6.3
0.3
250
125
-3
10.5
2.6
0.6M
1.65
 
6K7G CV1941 KTW63

NR82
IO
1
2
3
4
5
6
7
8
tc
m
h
a
g2,g4
gt,g3
at
h
k
g1
 
Triode Hexode
Hexode
Vh
Ah
Va
Vs
Vg
mAa
ra
gm
6.3
0.3
250
100
-3
1.75
2.5M
0.225
 
CV1193 VR99 X65

NR83
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
 
ARP16 CV1074 KTZ63 VT74 6J7G

NR84

Triode

20A1 CV1194 X41


NR85
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
-
h
k
 
Pentode
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
6.3
0.7
285
285
-20
38
7
78k
2.55
4.5W
9%
 
6F6G ARP17 CV1186 KT63

NR86

Tetrode

ARP15 CV1195 KTW63

NR87

Double Diode Pentode

AC5PenDD


NR88
B3G
1
2
3
tc
tc
h
k
k
a
g1
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.25
200
-3.3
7.5
11,400
2.9
 
CV1197 EC53

NR89
Klystron
 

NR94

Pentode

ACP4


NR95
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
-
h
k
 
Tetrode
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
D
26
0.3
135
135
-7.6
75
5.0
9.0
3.5
11%
 
CV1502 KT32 VR502

NS1
B5
1
2
3
4
5
a(4)
k
a(2)
a(3)
a(1)
 
Voltage Stabiliser
Stabiliser
Va
mAa
280
70
 
CV1069 STV280/80 VS69

NS3

Barretter

202 CV1200

NS4

 

4713


NS5
Barretter
Stabiliser
mAa
300
 
304 CV1202

NSP1
Strobotron
CV0220

NT18

Triode

DO60


NT19
Triode
CV1207

NT20

 

PM365


NT36
Triode
Triode
Vh
Ah
Va
Vg
mAa
6.0
2.7
1250
-225
300
 
BS100 CV1219 DA100 MZ1-100

NT37
B5
1
2
3
4
5
h
a
g1
c
h
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
6.0
1.4
600
-20
170
1,670
9.0
15
 
4033A CV1220

NT38

Pentode

ATP75 CV1371 PT6 PZ1/75

NT38A

Pentode

ARP75 CV1221 PT6 PZ1-75 SW75Pen

NT39

Triode

ACT36 AT75 CV1222


NT40
Triode
CV1223 DET5

NT46

Triode

CV1227


NT58
B4
1
2
3
4
tc
tc
-
f
f
-
g1
a
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
Pdiss
Pdriv
Pout
freq
f.max
7.5
3.2
1000
-170
100
50w
6w
70W
100 MHz
300 MHz
 
4304CB 834 CV1062 CV1288 DET12 TY1-50 VT62

NT62

Pentode

PM24D

NT62A

Pentode

PM24D

NT65A

Pentode

CV1240 PZ1-35

NT74

Pentode

ATP35 CV1370


NT82
B4
1
2
3
4
a
g1
f
f
 
Triode
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.3
150
-10
19
2150
3.5
 
CV1246 P2 PM202

NT92
Triode
CV1252

NT98

Magnetron

E1189


NT99
Triode
 

NU12
B4
1
2
3
4
a(1)
a(2)
f
f
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
4.0
3.0
500
250
 
45IU AU1 CV1264 FW4-500 U18/20

NU13
Rectifier HW
Rectifier
Vh
Ah
mAa
6.0
-
120
 
CV1265 RZ1-250 U15

NU13A
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
6.0
-
-
120
 
AU12 CV2853 RZ1-250 U15

NU15
B5
1
2
3
4
5
a
-
h
h
k
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
40.0
0.2
250
120
 
U4020

NU16
B4
1
2
3
4
-
-
f
f
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
4.0
2.7
2,220
250
 
AU6 CV1072 GU5 RG1-240A VU72

NU17
B4
1
2
3
4
a(1)
a(2)
f
f
 
Rectifier FW
Rectifier
Vh
Ah
Va
mAa
4.0
2.5
500
120
 
AU3A CV1039 IW4 MU14 R3 VU39 UU5

NU18
B4
1
2
3
4
tc
-
-
f
f
a
 
Rectifier HW
Diode
Vh
Ah
Va
mAa
4.0
1
2500
30
 
AU4 CV1113 U17 VU113

NU20
IO
1
2
3
4
5
6
7
8
-
f
-
a(2)
-
a(1)
-
f
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
5.0
2.0
350
120
 
U50

NU3

Rectifier FW

AU3 CV1064 DW4-500 U12/14 VU64

NU31

Rectifier HW

CV1279 MU2


NU33
B4
1
2
3
4
tc
-
-
hk
h
a
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
2.0
1.5
5000
10
 
CV1120 CV1290 SU2150A VU120

NU33A
B4
1
2
3
4
tc
-
-
h,k
h
a
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
4.0
0.65
6000
3.0
 
HVR2

NU34
B4
1
2
3
4
tc
-
-
h,k
h
a
 
Rectifier HW
Rectifier
Vh
Ah
Va
mAa
4.0
0.65
6000
3.0
 
CV1134 HVR2 VU134

NU5
Rectifier HW
CV1261 RX3-120

NU7
Rectifier MV
CV1262 GU1

NU8
Rectifier MV
 
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