 HomeNewsHow to choose the magnetic ring?EMC anti-interference related terms

How to choose the magnetic ring?EMC anti-interference related terms

2023-11-30

"How to choose the magnetic ring","How to choose the magnetic ring"I usually first understand the use of the customer's magnetic ring,the frequency of use and so on.

Here I simply analyze,such as:when encountering interference,generally use amorphous magnetic ring,manganese-zinc magnetic ring or nickel-zinc magnetic ring,of course,these three magnetic rings use different frequency segments.When high-frequency interference is used,the nickel-zinc magnetic ring is selected.How big the magnetic ring is used for the large wire,the inner hole must be paid attention to,the wire thickness and the inner hole of the magnetic ring must be just right,too big to wear,too small to leak magnetic,still There are injection molds that are slightly larger than the magnetic ring size,but do not make the gap too large,so it is not easy to damage the mold during injection molding.In addition,when the performance is not strong,the wire diameter is so large,then the outer diameter and the inner hole are unchanged,but the length is selected to be a longer magnetic ring.Generally,the selection of the magnetic ring is preferred to"the outer diameter is large,the inner hole is small,and the length is long".The larger the cross-sectional area ofthe magnetic ring,the better the effect.

How to choose the magnetic ring?

Now let me introduce how the clip-on magnetic ring is selected.The clip-on magnetic ring is relatively better than other magnetic ring models.It is convenient and quick to use.It is made up of two-piece magnetic core and plastic shell.Assembled,it is also called assembly magnetic ring.With this type of model,it can be directly attached to the interference line without injection molding.In the case of a large inner diameter,it can be repeatedly wound 1~2 times.The more the winding,the better the impedance effect.At present,our specifications have been suitable for 1MM to 19MM cable clip type magnetic ring for customers to choose.

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