Virtual Valve Museum

Virtual Valve Museum

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CV5143 / GC10/D dekatron counter

Size This counter measures 97x30mm overall and has an octal base.

This is a scale of ten counter tube for single pulse operation.

Maximum counting rate, any wave shape 20,000 pps
Maximum total anode current 1.2mA
Minimum total anode current 700µA
Minimum anode supply voltage (normal room illumination) 420V
Maximum potential difference between guides and cathodes 180V
Running voltage at 800µA 215V approx


Pin Function
1 Common cathodes
2 3rd guides
3 1st guides
4 Anode
5 n/c
6 Output cathode
7 Output 3rd guide
8 2nd guides


Top quarter view