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CMS Magnetics Co.

Reliable Source of Permanent Magnets

Tel: (866) 342-1300, (972) 516-0692, Fax: (972) 516-0697

 

 

 

 

 

 

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Why people choose Neodymium Magnets

Characteristics of Neodymium Magnets

 

Why people choose Neodymium Magnets?

As the third generation rare earth magnets, NdFeB ( Neodymium Magnets ) provides the highest maximum energy product among permanent magnets.

The typical BHmax for sintered NdFeB is 35MGOe (N35), which is 7-8 times of Ceramic and AlNiCo magnets, and roughly 35% higher than the typical Samarium Cobalt magnets. This characteristics has been benefiting many customers in reducing their product sizes and increasing the performance.

In reality, NdFeB can be applied to most applications in which other magnet types have been used for years.

As the NdFeB price goes down, the practice to replace other magnets with NdFeB becomes more affordable. As of today, NdFeB can be found in hard drives, DC motors, meters, odometers, speakers, sensors, telephones and mobile phones, which were not economically feasible just a few years ago.

We provide a huge selection of NdFeB magnets in different shapes and dimensions. In the addition, customizing is also available. So in case you can not find the proper dimensions in our product list, please feel free to contact us about your requirements. We will be happy to help you.

All the Neodymium Magnets provided by CMS Magnetics are from ISO certified manufacturers and Patent Licensed.


Characteristics of Neodymium Magnets

Table 1. NdFeB Characteristics

Grade

Br mT
(KGs)

Hc KA/m
(KOe)

Hci KA/m
(KOe)

(BH)max KJ/m3
(MGOe)

Working
Temperature

N33

1130-1170
(113-11.7)

>836
(>10.5)

>955
(>12)

247-263
(31-33)

80C

176F

N35

1170-1210
(11.7-12.1)

>868
(>10.9)

>955
(>12)

263-287
(33-36)

80C

176F

N38

1210-1250
(12.1-12.5)

>899
(>11.3)

>955
(>12)

287-310
(36-39)

80C

176F

N40

1250-1280
(12.5-12.8)

>923
(>11.6)

>955
(>12)

318-342
(38-41)

80C

176F

N42

1280-1320
(12.8-13.2)

>923
(>11.6)

>955
(>12)

318-342
(40-43)

80C

176F

N45

1320-1380
(13.2-13.80

>876
(>11.0)

>955
(>12)

342-366
943-460

80C

176F

N48

1380-1420
(13.8-14.2)

>835
(>10.5)

>876
(>11)

366-390
(46-49)

80C

176F

33H

1130-1170
(11.3-11.7)

>836
(>10.5)

>1353
(>17)

247-271
(31-34)

120C

248F

35H

1170-1210
(11.7-12.1)

>868
(>10.9)

>1353
(>17)

263-287
(36-36)

120C

248F

38H

1210-1250
(12.1-12.5)

>899
(>11.3)

>1353
(>17)

287-310
(36-39)

120C

248F

40H

1240-1280
(12.4-12.8)

>923
(>11.6)

>1353
(>17)

302-326
(38-41)

120C

248F

42H

1280-1320
(12.8-13.2)

>955
(>12.0)

>1353
(>17)

318-342
(40-43)

120C

248F

33SH

1130-1170
(11.3-11.7)

>844
(>10.6)

>1592
(>20)

247-272
(31-34)

150C

302F

35SH

1170-1210
(11.7-12.1)

>876
(>11.0)

>1592
(>20)

263-287
(33-36)

150C

302F

38SH

1210-1250
(12.1-12.5)

>907
(>11.4)

>1592
(>20)

287-310
(36-39)

150C

302F

40SH

1240-1280
(12.4-12.8)

>939
(>11.8)

>1592
(>20)

302-326
(38-41)

150C

302F

28UH

1020-1080
(10.2-10.8)

>764
(>9.6)

>1990
(>25)

207-231
(26-29)

180C

302F

30UH

1080-1130
(10.8-11.3)

>812
(>10.2)

>1990
(>25)

223-247
(28-31)

180C

302F

33UH

1130-1170
(11.3-11.7)

>852
(>10.7)

>1990
(>25)

247-271
(31-34)

180C

302F

28EH

1040-1090
(10.4-10.9)

>780
(>9.8)

>2388
(>30)

207-231
(26-29)

200C

392F

30EH

1080-1130
(10.8-11.3)

>812
(>10.2)

>2388
(>30)

223-247
(28-31)

200C

392F


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