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VI507

Sensibly equivalent to:
CV1507
    
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The VI507 is a spark gap designed to break-down at 1250 volts. Inside is a small bead of mercury that provides the gas filling. The AM signifies that this was made for the UK Air Ministry and must date to before 1941 as after that date it was referred to as the CV1507.
The electrodes are sheathed in glass along their whole length, just the ends are exposed to make the gap.
The thin glass tube envelope is 19 mm in diameter, and including the pins is 49 mm tall.
Reference: Datasheet.

 

Absolute Maximum Operating Conditions
Cold Cathode
Va
-
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated March 22, 2014.
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