Re: CCFL transformer

On 01-05-2024 01:51, Mike Monett VE3BTI wrote:

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/
 

I order some similar ones some weeks ago, still waiting for the mail :-)