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From: Arie de Muijnck <eternal.september@ademu.com>
Newsgroups: sci.electronics.design
Subject: Re: CCFL transformer
Date: Wed, 24 Apr 2024 17:41:24 +0200
Organization: A noiseless patient Spider
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On 2024-04-24 04:25, John Larkin wrote:
> 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
> 
> Can you use a C-W multiplier?
> 
> For low current, you can do resonant tricks too.
> 

A C-W multiplier gives DC.
I think CCFLs should use AC not DC, to prevent fast blackening of one end.

Arie