In-18 running warm?

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Deviantgeek

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Aug 4, 2012, 3:47:15 PM8/4/12

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I just got in some In-18 smart nixies, and my nixies are running slightly warm. Anode voltage is 136volts, supply is 170volts, and the anode resistor is 10KiloOhms, which puts anode current at 3ma. This is normal, right?

Nick

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Aug 5, 2012, 1:32:19 AM8/5/12

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P = I x V, so you have up to 0.5 watts dissapated in the tube.

They do get a little bit earm.

Nick

Deviantgeek

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Aug 5, 2012, 11:41:21 PM8/5/12

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Thanks!

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