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Ferrite magnets

Short description

Ferrite magnets or ceramic magnets are the most used magnets. The applications of ferrite magnets are very broad.

Characteristics

  • Affordably priced
  • Energy product of 1 to approx. 4.3 MGOe
  • High corrosion-resistance
  • Wide range of applications
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Ferrite magnets

Detailed product description

Ferrite magnets or ceramic magnets are the most used magnets with a maximum energy product from 1 to approx. 4.3 MGOe. Ferrite is the cheapest magnet material and has a high corrosion resistance, which means a coating is not necessary. Ferrite magnets can be produced both isotropic and anisotropic and the usage temperature is a maximum of 225˚C.

The applications are very broad; think about products such as megaphones, microwaves, measuring equipment, toys, motors, reed-contacts etc.

Ferrite Permanent magnets - table

Grade Remanence Normal
coercivity
Intrinsic
coercivity
Maximum
energy product
Max.
operating
Temp.
 

Br
mT

Hcb
kA/m
Hcj
kA/m
BH(max)
kJ/m3
 
  min typ min typ min min typ °C

Isotropic

GSFD-10

210 240 127 159 211 6,4 9,5 225

Anisotropic

GSFD-25 380 400 143 175 147 25 29 225
GSFD-30 390 410 175 207 179 27 31 225
GSFD-33 390 410 239 271 243 27 31 225
GSFD-40 390 410 271 295 307 28 32 225
GSFD-42 415 435 215 239 219 30 33 225
GSFD-44 430 450 247 271 251 33 36 225