Ferrite ring MAGNETS for speakers

Ferrite ring speaker magnet

Material:

Ferrite Permanent Magnet

Shapes:

Ring, disk, block ETC

Features:

• Cost effective alternative to other magnetic materials,
• offers relatively high operating temperatures and good resistance to corrosion & demagnetization.
• However, it has lower energy levels (Br) and is brittle in nature.

Applications:

DC motors, Louder-speaks, Magnetic Separators, Automotive Sensors, Educations, etc.

Magnetic Performance

Grade

Remanence

Br mT

(kGs)

Coercive force

HcB KA/m

(KOe)

Magnetic energy product

Max KJ/m3

MGOe

Equivalents

Y10T

200-218

125-145

6.5-8.0

C1

2.00-2.18

1.57-1.82

0.8-1.0

Y25

360-370

135-150

22.5-25.3

3.60-3.70

1.70-1.88

2.8-3.2

Y30

380-390

191-210

27-30

3.80-3.90

2.40-2.64

3.4-3.7

Y33

400-410

175-195

30.0-31.5

C5

4.00-4.10

2.20-2.45

3.8-4.0

Y35

410-420

220-235

31.5-33.0

4.10-4.20

2.77-2.95

4.0-4.2

Y30BH

380-390

223-235

27.0-30.0

C8

3.80-3.90

2.80-2.95

3.4-3.7

Y33BH

400-410

288-300

30.4-31.5

4.00-4.10

3.62-3.77

3.8-4.0