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Old 12th Nov 2019, 12:38 am   #9
turretslug
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Join Date: Nov 2011
Location: Surrey, UK.
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Default Re: Here's why can't you find a modern 250K or 500k potentiometer.

Quote:
Originally Posted by kalee20 View Post
So why 3.3 in E6, E12, E24 ranges and not 3.2? It's the rounded value of square root of 10, or 3.16... which rounds to 3.2.
I'd wondered that and surmised that it might be just an artefact of preceding round-up approximation in E12 in that 32 would then have been a bit close to 27, so a hop to 33, extended to E6?
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