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Old 31st January 2007, 02:31 AM   #1
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Default unwinding inductor

i have a 16g 1.3mh inductor and i want to make it a 1.25.anyone know how much to unwind?

thanks
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Old 31st January 2007, 02:56 AM   #2
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Hi,

You'll need the physical dimensions, gague of wire and #turns. Then recalculate for your new inductance. This might help:

http://geek.scorpiorising.ca/calculator.html

Cheers!
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Old 31st January 2007, 10:29 AM   #3
Geoff H is offline Geoff H  Australia
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I wouldn't bother. it's only about 4% difference, or are my eyes tired.
The tolerance on caps is usually 10%. At least you have a good one at 16G.

Regards,
Geoff
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