unwinding inductor

chainenoble · 31st January 2007, 01:31 AM

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

thanks

Geek · 31st January 2007, 01:56 AM

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!

Geoff H · 31st January 2007, 09:29 AM

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

31st January 2007, 01:31 AM	#1
chainenoble diyAudio Member Join Date: Nov 2004 Location: toronto	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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31st January 2007, 01:56 AM	#2
Geek diyAudio Member Join Date: Sep 2004	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!

31st January 2007, 09:29 AM	#3
Geoff H diyAudio Member Join Date: Oct 2006	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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