Virtual Valve Museum

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CV161 photocell

Size This photocell measures 120x35mm overall and has a 4 pin base.

The cathode of this photocell is a silver-oxygen-caesium coating on the inside of part of the glass envelope.

Min sensitivity at Va=100V 20µA/lumen
Min sensitivity at Va=20V 10µA/lumen
Frequency for peak sensitivity 7500 to 8500 Ångstroms

 

Pin Function
1 Anode
2 n/c
3 n/c
4 n/c
TC Cathode
CV161