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Thoriated Tungsten Filament 2A3?

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soulmerchant

soulmerchant

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Joined 2006
I doubt it.

Thoriated Tungsten requires an operating temperature of 2000 K which poses a challenge to reach with only 2.5V at the designer's disposal.

That combined with the area you will need to cover with cathode for a mono plate will make any solution very complex and expensive..
 
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