Re: [TCML] Inductor

[Carl Noggle <cn@xxxxx>]

One good way to do it is to wind a pancake coil between two round pieces 
of plexiglas or polycarbonate.  The spacing can be several wire 
diameters, and the interturn voltage will not be enough to arc through 
(Breakdown between two pieces of magnet wire is about 5 kV.)  My supply 
filters are #18 magnet wire wound 6 inches OD and 2 inches ID between 
discs 5/8 inch apart and they have been working well for mondo years.  
Inductance is 15.3 mH.  They can be wound with an electric drill or even 
by hand.  The filter capacitance is 12 feet of RG8/U (~400pF).  An added 
advantage is that they look kind of cool.

---Carl





> Anyone have any advice for winding small multilayer air core inductors for higher voltages.
> I am planning on making a five .02H units using #21 wire. Just wanted to check in before I started
>
> Thanks,
> John "Jay" Howson IV
>
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