Hi
I have a choke wound on a ferrite core (N97 PQ32/20) which should have been gapped but wasn't. That means that it's saturating - the calculated Isat is 70mA but it has up to 400mA through it.
New cores on order - I can't gap the existing core as it's potted. I'll gap them with Kapton, the inductance will reduce, but only to what was intended in the first place.
My query is, what are the effects of this saturation? Does the core 'disappear' so my winding is effectively in air? Does the winding become effectively magnetically unshielded?
Magnetics is voodoo, so no long words, please.
Cheers