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Permanent magnet Anisotropic ferrite magnet SSR-420 (Hitachi)-SSR-420 (Hitachi)
Permanent magnet Anisotropic ferrite magnet SSR-420 (Hitachi)-Nippon Magnet Industry Co., Ltd.

Permanent magnet Anisotropic ferrite magnet SSR-420 (Hitachi)
Nippon Magnet Industry Co., Ltd.


About This Product

■Features

Ferrite magnets are the best magnets in terms of cost/performance when compared to all other magnets. Since it is an oxide, it has the advantage of being chemically stable and not rusting. Another advantage is that by-products of steel manufacturing can be used as the main raw material. Ferrite magnets were first commercialized around 1955, and for nearly 40 years they have dominated in terms of production weight and production value. Domestic production of ferrite magnets has been overtaken by rare earth magnets since 1993 in terms of value, but they are the most popular and used in all fields, and remain No. 1 in terms of weight. Ferrite magnets can be divided into two types.

■Isotropic

Although the magnetic force is weak, it has the advantage of being able to be magnetized in any direction and is the cheapest.

■Anisotropy

It has a stronger and more stable magnetic force than isotropic. The direction (magnetic field) is determined. (wet/dry) ・Wet method - Wet method involves molding finely pulverized calcined powder into a slurry mixed with water in a magnetic field. ・Dry method - Dry method is molding dry powder in a magnetic field.

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    Permanent magnet Anisotropic ferrite magnet SSR-420 (Hitachi)

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1 Models of Permanent magnet Anisotropic ferrite magnet SSR-420 (Hitachi)

Image Part Number Price (excluding tax) Specific gravity (g/cm3) Residual magnetic flux density Br1 (mT) Material grade Material thickness (t) Maximum energy (BH) max (kJ/m3) Intrinsic coercive force iHc (kA/m) Coercive force bHc (kA/m)
Permanent magnet Anisotropic ferrite magnet SSR-420 (Hitachi)-Part Number-SSR-420 (Hitachi)

SSR-420 (Hitachi)

Available upon quote

4.9

415~440

SSR-420 (Hitachi)

3・8.6

33.0~37.0

255~302

250~299

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