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CV233

Sensibly equivalent to:
BS5
    
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The CV233 is gas filled protective spark gap with a maximum breakdown voltage of 5.5 kV. The prototype was the BS5.
The KB/SL identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the SL identifies the maker as AEI, Leicester.
The envelope carries the BTH logo. AEI was formed in 1938 by the merger of British Thomson-Houston (BTH) and Metropolitan Vickers.
The wide glass tube envelope is 30 mm in diameter and, excluding the IO base pins, is 60 mm tall.
References: Data-sheet.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
el
nc
nc
nc
nc
nc
nc
el
eu

 

Absolute Maximum Operating Conditions
General Notes
Va
5,500
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 27, 2025.
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