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Kapton gapped PQ26/20 ferrite core

Flyback

Well-Known Member
Hi,
We have a transformer for a 2 tran forward. Its a PQ26/20 from ferroxcube.
The primary is 22 turns and 2.1mH. Suppose we kapton gap the cores. Then what would be the decrease in inductance do you think/guess?
(1 strip of kapton in the gap between the cores)
 
Hi,
We have a transformer for a 2 tran forward. Its a PQ26/20 from ferroxcube.
The primary is 22 turns and 2.1mH. Suppose we kapton gap the cores. Then what would be the decrease in inductance do you think/guess?
(1 strip of kapton in the gap between the cores)
Somewhere between a tiny bit and a bit. It really depends on all the information you are not sharing. Did you know that Kapton tape is available in thicknesses besides the thickness in the roll you have on your desk, for example.
 

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