
Plus la perméabilité du champ magnétique est élevée inductance annulaire, the lower the temperature it can withstand. If the inductance of the magnetic inductance annulaire is very high, the number of winding coils of the inductor can be reduced, and the large wire diameter copper wire winding system can be used.
Choose the appropriate magnetic core according to your own needs, but the core selection principle of magnetic inductance annulaire is generally unchanged, there are the following points.
1. La taille du anneau magnétique doit être complet et lisse, sans aucune saillie, et plus il est long, mieux c'est.
2. Plus l'ouverture du noyau magnétique est proche du câble, mieux c'est.
3. Dans la bande basse fréquence, 2-3 tours sont recommandés. Dans la bande des hautes fréquences, aucun virage n'est autorisé.
What is the relationship between the color of a anneau magnétique and its material?
Most of the anneau magnétiques need to be painted to facilitate the difference. Generally, iron powder core is distinguished by two colors, commonly used are red/transparent, yellow/red, green/red, green/blue and yellow/white, manganese core ring is generally painted green, iron silicon aluminum is generally all black and so on.
In fact, the color of the anneau magnétique after firing has no inevitable relationship with the coating dyeing after spraying, but it is just an agreement in the industry.
For example, green represents a high-permeability anneau magnétique;
The double color represents the iron powder core anneau magnétique;
Black represents iron silicon aluminum anneau magnétique and so on.
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