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Radio Valve Data: 1915-1960

Keith R Thrower OBE, The Valve Museum, April, 2022.
    
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Help information: Abbreviations - Explanations - Notes.

Post-1925 amplifying valves, frequency changers
and signal diodes

Type
Description
Filament
Anode
Auxillary Grid
Grid
ra
gm/go
RL
Po
Rk
Base (1)Pin-out details for non-exhibits can be found with the base details.
Year
 
 
Volts
Amps
Volts
mA
Volts
mA
-V
mA/V
Watts
Ω
Type
Ref
 

Clarion

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless
ACD
Double diode
4.0
1.00
200
0.8
-
-
-
B5
2
1936
ACG
GP or output triode
4.0
1.00
200
8.0
-
-
7.5
6.0
2.70
12.0
0.20
B5
1
1933
ACHF
RF triode
4.0
1.00
200
3.0
-
-
3.0
14.0
2.50
B5
1
1932
ACHP
RF pentode
4.0
1.00
200
4.5
100
1.3
2.50
B7+tc
6
1934
ACL
AF or output triode (IH)
4.0
1.00
200
18.0
-
-
12.0
3.0
3.00
7.0
0.50
B5
1
1933
APNDH
Output pentode
4.0*
1.00
250
18.0
200
7.0
10.0
8.0
1.0
B5
6
1936
ACP
Output triode
4.0*
1.00
200
19.0
-
-
21.0
2.0
3.00
4.5
0.70
B4
1
1932
ACPN
Output pentode
4.0
1.00
250
22.0
200
8.0
12.0
9.0
2.0
B5
6
1933
ACPP
Output triode
4.0*
2.00
400
50.0
-
-
25.0
1.8
5.00
4.0
5.0
B4
1
1936
ACSG
RF tetrode
4.0
1.00
200
3.0
85
1.0
350.0
1.40
B5+tc
2
1932
ACVHP
VM RF pentode
4.0
1.00
200
4.5
100
1.5
2.20
B7+tc
6
1934
ACVS
VM RF tetrode
4.0
1.00
200
7.0
90
1.5
2.00
B5+tc
2
1933
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others
ADG
Output triode
20.0
0.18
200
10.0
-
-
10.0
5.7
3.50
10.0
0.27
B5
1
1934
ADHF
Triode
20.0
0.18
200
5.0
-
-
3.0
10.0
3.50
B5
1
1934
ADHP
RF pentode
20.0
0.18
200
5.0
100
2.0
2.80
B7+tc
6
1934
ADL
Output triode
20.0
0.18
200
20.0
-
-
13.0
2.7
3.00
5.0
0.55
B5
1
1934
ADPN
Output pentode
20.0
0.18
250
22.0
200
8.0
15.0
9.0
2.2
B5
6
1933
ADVHP
VM RF pentode
20.0
0.18
200
5.5
100
2.3
2.50
B7+tc
6
1934
B22
Class B double triode
2.0*
0.22
150
5.0
-
-
0
13.0
1.2
B7
10
1933
B24
Class B double triode
2.0*
0.44
150
7.0
-
-
0
9.0
2.0
B7
10
1933
DD13
Double diode
13.0
0.20
200
0.8
-
-
B5
3
1936
DDT4
Double diode triode
4.0
1.00
200
3.0
-
-
3.0
14.0
2.50
B7+tc
7
1936
DDT13
Double diode triode
13.0
0.20
200
3.0
-
-
3.0
14.0
2.50
B7+tc
7
1936
FC4
Heptode FC
4.0
1.00
250
1.8
70
4.0
1.0
1.5M
0.60⅄
B7+tc
2
1936
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others
FC13
Heptode FC
13.0
0.20
200
1.8
70
4.0
1.0
1.5M
0.60⅄
B7+tc
2
1936
H2
RF or detector triode
2.0*
0.10
150
2.5
-
-
1.5
20.0
1.00
B4
1
1932
HF13
Triode
13.0
0.20
200
3.0
-
-
3.0
14.0
2.50
B5
1
1936
HL2
AF or detector triode
2.0*
0.11
150
4.0
-
-
4.0
12.5
1.20
B4
1
1932
LP2
Output triode
2.0*
0.11
150
8.0
-
-
9.0
5.5
1.10
12.0
0.075
B4
1
1932
P2
Output triode
2.0*
0.22
150
12.0
-
-
18.0
2.8
1.40
7.5
0.20
B4
1
1932
PN2
Output pentode
2.0*
0.22
150
6.0
150
0.75
7.5
18.0
0.50
B5
6
1933
PX2
Output triode
2.0*
0.22
150
22.0
-
-
22.0
1.8
1.50
5.0
0.40
B4
1
1932
SG2
RF tetrode
2.0*
0.11
150
2.5
80
0.75
300.0
1.00
B4+tc
2
1932
VHP2
VM RF pentode
2.0*
0.15
150
3.5
60
0.75
1.00
B7+tc
4
1934
VHP13
VM RF pentode
13.0
0.20
200
4.0
100
1.5
1.5
2.00
B7+tc
6
1936
VS2
VM RF tetrode
2.0*
0.11
150
4.5
80
1.2
1.20
B4+tc
2
1933
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others

Rectifiers

Type
Class
Cathode
Va
DC Ia
PIV
DC Vo
Base
Year
 
 
Type
Volts
Amps
Max RMS
mA
Volts
Volts
Type
Ref
Year

 Clarion

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless
UDH
HW
IH
20.0
0.18
250
60
B5
8
1936
UF4
FW
DH
4.0
1.00
250
60
B4
5
1932
UF41
FW
IH
4.0
2.00
350
100
B4
5
1936
UH4
HW
DH
4.0
1.00
250
40
B4
4
1932

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