Foil Inductors Vs Wire
Then i crimp the wire in as tight as i can. However in some designs an alternative to round magnet wire copper foil may be the better option for the winding.

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Foil inductors have obvious advantages over wire wound inductors in terms of improved electrical and sonic characteristics.

Foil inductors vs wire. This inductor below is closest to the iron core slightly different ohms rating though. Copper foil is much more affordable than litz wire. 000 0138 5000mh 3 0534w wire 180mm13awg od 82 60mm yes indeed its big and more costly.
Partnering with triad magnetics. So how in the world do you solder foil inductors i usually pre apply solder inside a fold in the foil. Heat the whole thing up adding a bit more solder trying to keep the wire tight against the foil as you want direct contact between the foil and the wire.
Nevertheless magnet wire has remained relatively unchanged with only minor variations to accommodate different operating temperatures. Currently the majority of inductors are designed with standard round magnet wire. Thanks for the reply ill check into the foil coils.
Originally posted by kevinkr copper foil inductors generally have lower resistance than standard wire inductors which will result in higher q this isnt necessarily always a good thing as it results in changes in x over behavior in the transition region of the filter. Foil inductors are mounted by means of a single polycarbonate screw through the central bore or a silicone elastomer or a hot melt adhesive. I dont know enough about these to know if the difference in ohms 0420 vs 0534 is an issue.
Copper foil inductors generally have lower resistance than standard wire inductors which will result in higher q this isnt necessarily always a good thing as it results in changes in x over behavior in the transition region of the filter. The higher in frequency the greater the push. What makes foil inductors supposedly better than wire inductors.
Foil wound components offer increased mechanical strength compared to wire wound components. Foil inductors are mounted by means of a single polycarbonate screw through the central bore or a silicone elastomer or a hot melt adhesive. Foil inductors have obvious advantages over wire wound inductors in terms of improved electrical and sonic characteristics.
That means a large wire at hf has no current flowing at the center all that copper going to waste. Litz wire and copper foil each offer unique benefits suitable for specific purposes. As current oscillates in the wire the magnetic fields it sets up tends to push the current more toward the surface.

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