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CV488

Sensibly equivalent to:
BS90 GXA95
    
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The CV488 is a protective spark gap. The CV488 was developed from the CV295 (BS90) and is gas filled.
The KB/SL identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the QG identifies the maker as AEI, Leicester.
On the glass is L1533 - probably a serial number.
The wide glass tube envelope is 30 mm in diameter and, excluding the IO base pins, is 60 mm tall.
Reference: Data-sheet.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
L
nc
nc
nc
nc
nc
nc
L
U

 

Absolute Maximum Operating Conditions
General Notes
Vh
Ah
Va
-
-
9,750
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated June 04, 2025.
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