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Ceramic Ferrite Magnets

Ceramic Ferrite Magnets

Ceramic ferrite magnets, also known as ferrite magnets, are widely used in various applications due to their cost-effectiveness and excellent magnetic properties. 

Composition of Ceramic Ferrite Magnets

Ceramic ferrite magnets are primarily composed of iron oxide mixed with either strontium carbonate or barium carbonate. The most common types are:

  • Strontium Ferrite (SrFe12O19)

  • Barium Ferrite (BaFe12O19)

The combination of these materials results in a hard and brittle magnet with strong magnetic properties, suitable for various industrial and commercial applications.


Magnetic Properties of Ferrite Magnet

 Material

  Remanence

    Coercive Force

Intrinsic Coercivity

Maximum Energy Product

 Iso/Anisotropic

Br

 Hcb

Hcj

(BH)max

T

KGs

KA/m

KOe

KA/m

Koe

KJ/m3

MGOe

Y10T = C1

0.200-0.235

2.00-2.35

125-160

1.57-2.01

210-280

2.64-3.52

6.5-9.5

0.8-1.2

     Isotropic

Y20

0.320-0.380

3.20-3.80

135-190

1.70-2.38

140-195

1.76-2.45

18.0-22.0

2.3-2.8

 Anisotropic

Y22H

0.310-0.360

3.10-3.60

220-250

2.77-3.14

280-320

3.52-4.02

20.0-24.0

2.5-3.0

Y23

0.320-0.370

3.20-3.70

170-190

2.14-2.38

190-230

2.39-2.89

20.0-25.5

2.5-3.2

Y25

0.360-0.400

3.60-4.00

135-170

1.70-2.14

140-200

1.76-2.51

22.5-28.0

2.8-3.5

Y26H

0.360-0.390

3.60-3.90

220-250

2.77-3.14

225-255

2.83-3.21

23.0-28.0

2.9-3.5

Y27H

0.370-0.400

3.70-4.00

205-250

2.58-3.14

210-255

2.64-3.21

25.0-29.0

3.1-3.7

Y30 = C5

0.370-0.400

3.70-4.00

175-210

2.20-2.64

180-220

2.26-2.77

26.0-30.0

3.3-3.8

Y30BH = C8

0.380-0.390

3.80-3.90

223-235

2.80-2.95

231-245

2.90-3.08

27.0-30.0

3.4-3.7

Y30-1

0.380-0.400

3.80-4.00

230-275

2.89-3.46

235-290

2.95-3.65

27.0-32.0

3.4-4.0

Y30-2

0.385-0.415

3.95-4.15

275-300

3.46-3.77

310-335

3.90-4.21

28.5-32.5

3.5-4.0

Y32

0.400-0.420

4.00-4.20

160-190

2.01-2.38

165-195

2.07-2.45

30.0-33.5

3.8-4.2

Y33

0.410-0.430

4.10-4.30

220-250

2.77-3.14

225-255

2.83-3.21

31.5-35.0

4.0-4.4

Y35 = C11

0.400-0.410

4.00-4.10

175-195

2.20-2.45

180-200

2.26-2.51

30.0-32.0

3.8-4.0

Advantages of Ceramic Ferrite Magnets

Ceramic ferrite magnets offer several key advantages:

  • Cost-Effective: They are less expensive to produce compared to other types of magnets like neodymium or samarium-cobalt.

  • Corrosion Resistant: They exhibit excellent resistance to corrosion, making them suitable for use in various environmental conditions without the need for additional coatings.

  • High Stability: Ferrite magnets maintain their magnetic properties over a wide range of temperatures, typically from -40°C to 250°C.

  • High Electrical Resistance:   They have high electrical resistance, which makes them ideal for applications where insulating properties are needed

Applications of Ceramic Ferrite Magnets

Due to their robust properties, ceramic ferrite magnets are used in numerous applications, including:

  • Loudspeakers: Providing strong magnetic fields necessary for sound reproduction.

  • Motors and Generators: Used in electric motors and generators for efficient energy conversion.

  • Magnetic Separation: Employed in magnetic separation processes to remove ferrous contaminants from various materials.

  • Magnetic Assemblies:  Integrated into various magnetic assemblies for industrial use.

  • Holding Devices: Used in magnetic holding devices for secure and reliable holding power.

For more detailed information on Ceramic Ferrite magnets, including technical specifications and custom solutions, please contact our sales team.

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