Virtual Valve Museum

Virtual Valve Museum

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CV1731 neon filled voltage stabiliser

Size This valve measures 118x53mm overall and has a 4 pin base.

The prototype of this valve is S130.

Nominal striking voltage 160V
Nominal voltage drop (Ia=50mA) 119V
Max anode current 75mA
Min anode current to maintain ionisation 6mA


Pin Function
1 Anode
2 Cathode
3 n/c
4 n/c
Top quarter view