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From: legg <legg@nospam.magma.ca>
Newsgroups: sci.electronics.design
Subject: Re: CCFL transformer
Date: Wed, 24 Apr 2024 09:37:24 -0400
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On Wed, 24 Apr 2024 01:57:36 +0200, Klaus Vestergaard Kragelund
<klauskvik@hotmail.com> wrote:

>Hi
>
>I need a low distributed capacitance winding transformer, for a HV 
>stepup function (3.5kV)
>
>I am zeroing in on similar concept as CCFL transformers with 
>sectionalized bobbin.
>
>For example:
>
>https://www.coilcraft.com/en-us/products/transformers/power-transformers/ccfl-transformers/fl/
>
>Possibly using Triple Insulated Wire to create some distance between the 
>individual turns.
>
>Not many sells CCFLs these days.
>
>Guess I will keep it alive....
>
>Regards
>
>Klaus

When there are a lot of turns, 3xFEP is not the way to 
go. Too bulky. The three layers is basically a trick to 
avoid creepage requirements for pri-sec safety. That's 
not what you need here.

Anything off the shelf will be a great time saver.

RL