Virtual Valve Museum

Virtual Valve Museum
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CV405 / 907 photocell

Size This cell measures 60x15mm overall and has a 3 pin base.

 

The prototype of this valve is GS47 or CE25. The cathode is caesium on silver (or an approved alternative).

Working voltage 80 to 110V
Max voltage Working voltage +10V
Min sensitivity 75µA/lumen

 

Pin Function
1 Anode
2 Cathode
3 n/c
CV405