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CV3797

Sensibly equivalent to:
V944A
    
Extras ▼

 

The CV3797 is a caesium photocell with a common anode rod and twin semi-circular photo cathodes. The bottom cathode is k(1) and the top k(2). The commercial equivalent is the V944A and this is quoted in the specification.
The stacked cathodes are seen side on.
The front view of the photocell.
The wide glass tube envelope is 25 mm in diameter and, excluding the IO base pins, is 76 mm tall.
Reference: Data-sheet. Type CV3797 was first introduced in 1951. See also 1951 adverts.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
k(1)
nc
nc
a
nc
nc
nc
k(2)

 

Absolute Maximum Operating Conditions
Light Control
Va
250
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 04, 2022.
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