Manufacturer Samarium Cobalt High Temperature Magnetic SmCo Magnet
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Manufacturer Samarium Cobalt High Temperature Magnetic SmCo Magnet


Samarium Cobalt (SmCo) magnets are known for their excellent thermal stability and resistance to demagnetization, making them well-suited for use in a variety of high-performance and high-temperature environments. Here are the main fields where SmCo magnets are predominantly used:

Aerospace and Defense

  • Aircraft Systems: SmCo magnets are used in various aircraft components due to their ability to withstand extreme temperatures and harsh conditions without losing their magnetic properties.

  • Space Applications: Their excellent temperature stability and resistance to demagnetization make them ideal for space applications, including satellite and spacecraft systems where exposure to radiation and extreme environmental conditions is common.

  • Military Equipment: SmCo magnets are employed in military hardware, such as guidance systems, sensors, and actuators, due to their robust performance in demanding environments.

Automotive Industry

  • Electric and Hybrid Vehicles: SmCo magnets are utilized in the motors of electric and hybrid vehicles. Their high magnetic strength and excellent thermal stability make them suitable for use in electric vehicle motor drives that operate at high temperatures.

  • Sensors and Actuators: Due to their reliable performance under thermal stress, these magnets are also used in automotive sensors and actuators.

Medical Technology

  • Medical Devices: SmCo magnets are crucial in medical applications, particularly in devices where operational reliability is essential under varying temperatures, such as in magnetic resonance imaging (MRI) machines and other specialized medical equipment.

Industrial Applications

  • High-Temperature Environments: Industries that operate equipment at high temperatures frequently use SmCo magnets because of their ability to maintain magnetic properties at elevated temperatures.

  • Motors and Generators: SmCo magnets are used in high-performance motors and generators, particularly where space is limited and high magnetic strength is required.

  • Magnetic Couplings and Bearings: These applications benefit from SmCo magnets due to their strength and stability, providing effective operation without physical contact and reducing wear and maintenance.


  • Sensors: SmCo magnets are used in various sensor applications due to their stable magnetic output over a wide range of temperatures, which is crucial for accurate readings and reliable device performance.


  • Wind Turbines: The use of SmCo magnets in wind turbine generators can be advantageous, especially in high-temperature environments where other magnet types might demagnetize.

The unique combination of high magnetic strength, excellent temperature stability, and resistance to corrosion makes SmCo magnets particularly valuable in these fields, where performance and reliability are critical under extreme operating conditions.



SDM Magnetics is one of the most integrative magnet manufacturers in China. Main products : Permanent magnet,Neodymium magnets,Motor stator and rotor, Sensor resolvert and magnetic assemblies.
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