Ferrite ring shape magnets are widely used in various industrial, electronic, and consumer applications due to their unique magnetic properties and cost-effectiveness. Their ring shape, combined with the inherent advantages of ferrite material, makes them particularly suitable for specific applications such as motors, transformers, sensors, and loudspeakers.

One of the primary advantages of ferrite ring magnets is their strong resistance to demagnetization. Ferrite materials have high coercivity, meaning they can maintain their magnetic strength even in challenging conditions or when exposed to external magnetic fields. This property ensures long-term performance and reliability, which is especially important in motors and electrical devices where consistent magnetic force is required.

Another key benefit is corrosion resistance. Unlike some other magnetic materials, ferrite magnets do not easily corrode, even in humid or outdoor environments. This makes them ideal for applications in automotive, industrial, and household devices where exposure to moisture or varying temperatures is common.

Cost-effectiveness is also a significant advantage. Ferrite magnets are relatively inexpensive compared to rare-earth magnets, making them an economical choice for large-scale manufacturing or applications requiring multiple magnets. Their low cost does not compromise performance in applications where high magnetic strength is not the primary requirement.

The ring shape of these magnets provides additional functional advantages. The hollow center allows for easy installation on shafts, spindles, or coils, making them versatile components in motor assemblies, generators, and electromagnetic devices. This shape also allows for uniform magnetic flux distribution, which improves the efficiency of electrical machines and sensors.

https://www.mlmagnet.com/product/ferrite-permanent-magnets/
Material：SrO/BaO, Fe2O3
Shape：Disc, Cylinder, Rectangle, Square, Ring, Arc, Segement..
Grade：Y10T, Y25, Y30, Y33, Y35, Y30BH, Y33BH
Working Temperature：250℃
Series：Anisotropic Ferrite, Isotropic Ferrite
Magnetization Direction：Diametral, axial,thickness
Tolerance：±0.05mm-±0.1mm