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VS10G

Sensibly equivalent to:
Fu107
    
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The VS10G is a high speed counting tube and was developed in about 1950.
By using a beam of electrons that were controlled by a powerful static magnetic field and dynamic electric fields, speeds of 1 MHz or more were possible. The magnets are located under the plastic rings. The dome is cosmetic.
Trochotron was a trade name and it is possible that this was made by Ericsson and badged Hivac.
These valves are very sensitive to distortions in their internal magnetic fields and this warning was typical of all Beam-X tubes.
The envelope is 41 mm in diameter, and excluding the B26A base pins is 79 mm tall.
Reference: Data-sheet. Type VS10G was first introduced in 1950.

 

Pin Connections
B26A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
19
20
21
22
23
24
25
26
27
S0
T9
T8
G(odd)
T7
S7
T6
T5
S5
T4
ic
T3
T2
S2
T1
G(even)
T0
S9
S8
h
S6
S4
S3
H
S1
K

 

Absolute Maximum Operating Conditions
Indicator
Vh
Ah
6.3
0.5
PDF scanned from an original document held by the museum
Updated June 18, 2021.
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