What is rare earth magnet?

 Neodymium Magnet

Rare Earth Magnet is one of permanent magnet, which made from alloys of rare earth elements. There are two main type of Rare Earth Magnet, Neodymium (NdFeB)magnet & Samarium Cobalt (SmCo) Magnet.

Rare Earth Magnet is the strongest permanent magnet, which have higher remanence, much higher coercivity and energy product. It is widely used in applications requiring strong, compact permanent magnets, like,

Computer hard drives

Wind turbine generators

Audio speakers/headphones

Bicycle dynamos

Fishing reel brakes

Permanent magnet motors

Other requiring smaller and lighter magnets with great strength

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