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What is the difference between single-wire and double-wire winding in a chip inductor?
May 10, 2017



What is the difference between single-wire and double-wire winding in a chip inductor?

 

Inductance difference:

 

Because the two wires are wound on the same magnetic core, the inductance is only related to the number of turns, and the inductance is the same whether it is a single wire or a double wire.


When the double-wound inductor is disassembled into two coils and connected in the first place, the inductance is not twice but 4 times the original one.


The double-wire wound inductor current is relatively larger than the single-wire wound. The characteristics are relatively good. When the total area is the same, the double-line skin effect over-current effect is better at high frequencies.


Differences between single-wire and double-wire winding in SMD inductors:

 

1. Used to increase the cross section, instead of the specifications not available at hand.

2. When the cross section is large, the softness is improved and it is easy to process.

3. Increase the surface area is conducive to high-frequency work. However, single-wire winding is convenient.

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