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The elements of Ferrite magnet are ferricoxide barium strontium.Ferrite has highter coercive force and highter resistance to bedemagnetized and oxidized than other non-rare earth permanent magnets.The biggest advantage of such magnet is their low cost.It is widely used from motors and loudspeakers to toys and craft etc...
Code
Remanence Br
Coercivity Force
Intrinsic Coercivity
Maximum Energy
Force
Product Bhm
Br
bHc
iHc
(BH)max
T
KGs
KA/m
KOe
KA/m
KOe
KJ/m3
MGOe
Sintered
Y8T
200-235
2.0-2.35
125-160
1.57-2.01
210-280
2.64-3.52
6.5-9.5
0.8-1.2
Y20
320-380
3.20-3.80
135-190
1.70-2.38
140-195
1.76-2.45
18.0-22.0
2.3-2.8
Y22H
310-360
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
320-370
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
360-400
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
360-390
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
370-400
3.70-4.00
205-250
2.58-3.14
210-255
2.64-3.21
25.0-29.5
3.1-3.7
Y28
370-400
3.70-4.00
175-210
2.20-2.64
180-220
2.26-2.77
26.0-30.0
3.3-3.8
Y30H-1
380-400
3.80-4.00
230-275
2.89-3.46
235-290
2.95-3.65
27.0-32.0
3.4-4.1
Y30H-2
395-415
3.95-4.15
275-300
3.46-3.77
310-335
3.90-4.21
28.0-32.5
3.5-4.0
Y32
400-420
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
410-430
4.10-4.30
220-250
2.77-3.14
225-255
2.83-3.21
31.5-35.0
4.0-4.4
Demagnetization Curve of Ferrite Materials
 
Magnet system is made up of magnets(including SmCo NdFeB AINICO and Ferrite magnets)and other parts,such as metal lastic and other components,all may be one of the parts of magnet systems.Sometimes magnet systems can meet some special requirements while a single magnet can not do.In the meantime,using magnet systems can save more cost than just using magnets and gain the same purpose.

Contact Information
San Huan (Ningbo) Nd-Fe-B Magnetics Co.,Ltd
Add:JIa tian Bridge,Ci Cheng,Ningbo,China Code:315031
Tel:0086-574-87592514  87572185  13805898815
Fax:0086-574-87592024
Web Site:http://www.shnfb.com
E-mail:shnfb2@cnool.net

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