▼ Menu

Radio Valve Data: 1915-1960

Keith R Thrower OBE, The Valve Museum, April, 2022.
    
Extras ▼

PDF

 

Help information: Abbreviations - Explanations - Notes.

 

Thyratrons

Type
Heater
Anode
Control
fmax
Gas
Base
Year
 
Volts
Amps
Pk Volts
Pk mA
Ratio
KHz
 
Type
Ref
Year

 English Electric

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless
3D22A
6.3
2.60
650
8A
USM7
18
6D4
6.3
0.25
350
110
B7G
24
AFX203
2.5*
5.00
170
7A
USM4
24
AFX234
6.3
0.49
350
1.2A
B7G
24

 

Voltage Stabilisers

Type
AV Stab
Striking
Current mA
Regulation
Base
 
Volts
Voltage
Min
Max
Volts
Type
Ref

 English Electric

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless
OA2 (QS1207)
150
185
5
30
6.0
B7G
28
OA2WA (QS1210) (SQ)
150
165
5
30
5.0
B7G
28
OA3 (QS1205)
75
105
5
40
6.5
IO
74
OB2 (QS1208)
108
133
5
30
3.5
B7G
28
OB2WA (QS1211) (SQ)
108
133
5
30
3.0
B7G
28
OC2
75
115
5
30
4.5
B7G
28
OC3 (QS1206)
108
133
5
40
4.0
IO
74
OD3 (QS150/40)
150
180
5
40
5.5
IO
74
QS75/20
75
110
2
20
6.0
B7G
70
QS75/60
75
117
6
60
5.0
B8G
64
QS83/3
83
115
1
8
1.5
B7G
28
QS92/10
92
140
1
10
5.0
B4
12
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others
QS95/10
95
110
2
10
5.0
B7G
40
QS108/45
108
120
5
45
5.0
B8G
55
QS150/15
150
170
2
15
5.0
B7G
40
QS150/45
150
170
5
45
5.0
B8G
55
QS1200
150
180
5
15
5.0
B7G
55
QS1201 (SQ)
75
110
2
15
4.5
B7G*
28
QS1202 (SQ)
108
133
2
15
3.0
B7G*
28
QS1203 (SQ)
150
180
2
15
4.5
B7G*
28
QS1204
108
133
5
25
3.0
B7G
28
QS1209/5651
85
115
1
10
4.0
B7G
28
QS1212 (SQ)
85
115
1
10
4.0
B7G
28
QS1213 (SQ)
85
115
1
10
4.0
B7G*
28
Click for pin-out: B4 - UX4 - B5 - Ct5 - UX5 - UX6 - B7 - B7G - UX7 - B8A - B8B - MO - IO - Ct8 - Footless - B9 - B9A - B9G - B10B - Others
QS1215
90
115
1
40
10.0
B7G
28
STV280/40*
280
420
5
35
4.0**
B5
15
STV280/80*
280
420
10
70
4.0**
B5
15

** Multi-gap types

Use browser back button to return.
rvd-099