Ring Ferrite Speaker Magnet

Items

Ferrite Speaker  Magnet

Material

Ferrite magnet is made of Sro or Bao and Fe2o3 by Ceramic processing technology

Shape available

Disc,block,cylinder,rectangle,square,ring, etc.

Specification

Grade

Br

Hcb

(BH)max

T

Gs

KA/m

Oe

Kj/m3

MGOe

Y25

0.35-0.39

3500-3900

128-192

1600-2400

22.3-25.5

2.8-3.2

Y30

0.38-0.42

3800-4200

160-216

2000-2700

26.3-29.5

3.3-3.7

Y35

0.4-0.44

4000-4400

176-224

2200-2800

30.3-33.4

3.8-4.2

Y25BH

0.36-0.39

3600-3900

176-216

2200-2700

23.9-27.1

3.0-3.4

Y30BH

0.38-0.4

3800-4000

224-240

2800-3000

27.1-30.3

3.4-3.8

Characteristics

Lost Cost,Higher Coercive Force; It need not to be coated because it is difficult to be eroded and oxidized

Application

Motors, Sensor,Sperkers,Toys,Electronics Device,Crafts,wind turbines,wind generators,filters automobilesetc.