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From: Mike Monett VE3BTI <spamme@not.com>
Newsgroups: sci.electronics.design
Subject: Re: CCFL transformer
Date: Tue, 30 Apr 2024 23:51:32 -0000 (UTC)
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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

1. AliExpress has a 3.7V to 15 KV transformer plus pcb for C$2.28, delivery 
is C$2.78/two weeks :

https://www.aliexpress.com/item/1005001511085929.html

2. A 12V to 15KV High Frequency Power Transformer is C$2.00 and C$2.78 
delivery:

https://www.aliexpress.com/item/1005003737611731.html

I ordered both. Delivery was on time, and the parts look to be of high 
quality.

3. Amazon has a High Voltage Transformer 3.7V-4.2V to 15KV Boost Step-up 
Power Module for C$9.57:

https://www.amazon.ca/Voltage-Transformer-3-7V-4-2V-Step-up-
Generator/dp/B07TR2QFRL/




-- 
MRM