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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.

 

Rectifiers

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

 Philips

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless
328
FW
DH
1.85
2.80
2x28
1.3A
B4
5
1930
367 (gas-filled) for battery charging
FW/MV
DH
1.8
8.00
2x45
6A
B4
5
1928
373
HW
DH
4.0
1.00
220
40
B4
4
1928
451
FW
DH
1.85
2.80
2x16
1.3A
B4
5
1930
505
HW
DH
4.0
1.00
400
60
B4
4
1929
506
FW
DH
4.0
1.00
300
75
B4
5
1928
506K
FW
DH
4.0
1.00
300
75
B4
5
1930
1002
HW
DH
1.8
2.80
160
100
B4
4
1930
1110 (gas-filled) for battery charging
FW
HW
DH
1.8
3.50
2x85
160
2A max
250.
B4
5
1560
FW
DH
5.0
2.00
400
120
B4
5
1930
1561
FW
DH
4.0
2.00
500
120
B4
5
1930
1562
FW
DH
4.0
2.00
500
120
USM4
3
1930
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others
1801
FW
DH
4.0
0.60
250
30
B4
5
1930
1807
FW
DH
4.0
2.00
350
120
B4
5
1931
1815
FW
DH
4.0
0.30
250
25
B4
5
1821
FW
DH
4.0
1.00
250
60
B4
5
1930
1832
HW
DH
4.0
1.20
800
100
B4
4
1861
FW
IH
4.0
2.40
500
120
B4
14
1932
1867
FW
IH
4.0
2.40
350
120
B4
14
1932
1881
FW
IH
4.0
1.20
250
60
B4
14
1932
1881A
FW
IH
4.0
2.40
250
60
B4
14
1932
CY1
HW
IH
20.0
0.20
250
120
Ct8,
5
1938
CY1C
HW
IH
20.0
0.20
250
120
B5
8
CY2
2xHW
IH
30.0
0.20
250
120
Ct8
6
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others

 

Barretters

Type
Current
Voltage
Base
Year
 
Amps
Min-Max
Type
Ref
Year

 Philips

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless
1904
0.10
30-80
B4
13
1933
0.10
60-170
B4
13
1916
0.18
35-70
B4
13
1926
0.18
8-26
B4
13
1927
0.18
40-140
B4
13
1928
0.18
90-230
B4
13
C2
C2C
0.20
40-100
Ct8
B4
8
13
C3
0.20
40-70
B4
13
1938
C4
0.20
35-100
Ct8
8
C6
0.20
70-140
Ct8
8
C7
0.20
35-100
Ct8
8
C8
0.20
85-200
Ct8
8
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others
C9
0.20
35-100
Ct8
8
C10
0.20
35-100
Ct8
8
C12
0.20
35-100
80-200
Ct8
8
C12s
0.20
25-120
Ct8
88
1920
0.25
30-75
B4
13
1934
0.25
80-180
B4
13
1941
0.30
120-240
B4
13
1949
0.30
30-90
B4
13

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