Ferrite Y30 Ring Magnet
Ferrite ring magnets, also called ceramic ring ferrites, come in a variety of sizes.
Before buying ferrite magnetic rings, find out what they are for. Such as installed in the power supply, power line, frequency converter interference and so on, because ferrite magnetic ring is very widely used. If the ferrite magnetic ring is purchased for use in the power supply, it is necessary to know the performance indicators of ferrite magnetic ring, such as inductance, turns, and the size of ferrite magnetic ring.
When buying ferrite magnetic ring, if have a sample to see the color of magnetic ring, can take a sample with magnet manufacturer commonly, can charge a little proofing fee.
Ferrite magnets multi-polar magnetic ring is easy to produce products, ordinary axial multi-polar ferrite beads with corresponding multipolar magnetizing fixture can be produced multipole magnetic ring, this is common sense, the conventional magnet product but in actual production process, often because of some uncertain external factors which affect ferrite multi-polar magnetic ring the quality of the product.
Every magnet has a variety of brand performance, the performance of each type of magnet products have difference on the magnetic properties, and the performance between the biggest difference is the difference on the magnet magnetic, the same specifications of the magnet will be because of the difference on the product performance and influence of magnetic, magnetic differences in one of the most obvious is the table.
But, in the long-term practice, reflected in one of the most obvious problems in magnetic cannot measure the magnet magnetic table can be good or bad, magnet products table magnetic only unilateral illustrates a magnet magnetic field strength of the product. A very simple example, 10 mm in diameter, the thickness of 5 mm Y30 ferrite magnet, wafer with a 20 mm in diameter, the thickness of 5 mm Y30 ferrite wafer magnet. Magnetic theory of table D10 magnetic than D20 * * 5 table 5 magnetic high table, theory of magnets pull, is D20 D10 * 5 * 5 power.
This indicates that the surface magnetic field is only a parameter reflecting the magnetic field intensity, and how much a magnet can absorb is also related to the suction area of the magnet. Similarly, the polypole magnetic ring of ferrite has the same physical properties. The same outer diameter, inner diameter and thickness of ferrite polypole magnetic ring under the same material will also appear the same phenomenon.
Product table magnetic ferrite multi-polar magnetic ring to measure the circular performance is good or bad, nor from ferrite magnetic multipole magnetic ring watch to test the performance of a product, because the ferrite multi-polar magnetic ring itself belongs to the pole differentiation of a product, a product will be same as the number of the magnetization of magnetic and detect the different tables, so, to detect a ferrite multi-polar magnetic ring is qualified, must through the product performance test.