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Old 12th Aug 2017, 7:49 am   #3
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,799
Default Re: Toroidal choke failure

Another trick is to wind it with multiple strands of thinner wire making up the same cross sectional area of copper. This will go round tighter corners before the varnish cracks.

Is the core free from sharp bits? wrapping it in insulating material or epoxy coating can help if the core is part of the problem.

David
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