Magnetic Component Engineering

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Rare Earth Magnets


Rare Earth magnets fall within two basic types of materials

  1. Samarium Cobalt (SmCo) - Energy products go up to 32 MGOe, can typically be used in high temperature (350°C) environments, and typically have a small thermal coefficient of Br (approximately 0.03%/degree).
     
  2. Neodymium Iron Boron (NdFeB) - Energy products go up to 55 MGOe, can generate very high fields; however, typically needs to be used in lower temperature applications than Samarium Cobalt can withstand. Higher temperature coefficient of Br (approximately 1.1%).

Rare Earth Samarium Cobalt (SmCo) Magnets
Read More about Samarium Cobalt (SmCo) Magnets
Sintered Samarium Cobalt (SmCo) grades available
Bonded Samarium Cobalt (SmCo) grades available
Find stock parts in Samarium Cobalt (SmCo) (Discs, Rings, Round Bars)
Samarium Cobalt (SmCo) vs. Neodymium Iron Boron (NdFeB), a comparison

Rare Earth Neodymium Iron Boron (NdFeB) Magnets
Read More about Neodymium Iron Boron (NdFeB) Magnets
Sintered Neodymium Iron Boron (NdFeB) grades available
Bonded Neodymium Iron Boron (NdFeB) grades available
Find stock parts in Neodymium Iron Boron (NdFeB) (Blocks, Discs, Rings, Round Bars)
Neodymium Iron Boron (NdFeB) vs. Samarium Cobalt (SmCo), a comparison