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CV686

Sensibly equivalent to:
0C3 QS1206 VR105/30
    
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The CV686 is a voltage stabiliser. The prototypes were the 0C3 and VR105/3.
Internally pins 3 and 7 are linked. This shorting link is designed to protect the connected equipment from overload, as when the stabiliser is removed the supplied circuit is disconnected.
The reverse carries the Type designations 0C3 and VR105 thus proving a direct equivalence to the CV686.
Construction of this gas filled stabiliser follows the normal pattern of closed cylinder with the second electrode as a central vertical rod.
References: Data-sheet & 1040. Type CV686 was first introduced in 1939.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
-
k
ic
-
a
-
ic
-

 

Absolute Maximum Operating Conditions
Stabiliser
Va
mAa
105
40
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December02, 2019.
shape:classic construction:pinch type:voltage.stabiliser age:1930.1940 base:io pins:8 pin:1.- pin:2.k pin:3.ic pin:4.- pin:5.a pin:6.- pin:7.ic pin:8.-
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