Typical Magnetic Properties of Ferrite Magnets

 
Chinese Standard

Material

Br

Hcb

Hcj

(BH)max

mT

KG

KA/m

kOe

KA/m

kOe

Kj/m³

MGOe

Y10T

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

3.2-3.8

135-190

1.70-2.38

140-195

1.76-2.45

18.0-22.0

2.3-2.8

Y22H

310-360

3.1-3.6

220-250

2.77-3.14

280-320

3.52-4.02

20.0-24.0

2.5-3.0

Y23

320-370

3.2-3.7

170-190

2.14-2.38

190-230

2.39-2.89

20.0-25.5

2.5-3.2

Y25

360-400

3.6-4.0

135-170

1.70-2.14

140-200

1.76-2.51

22.5-28.0

2.8-3.5

Y26H

360-390

3.6-3.9

220-250

2.77-3.14

225-255

2.83-3.21

23.0-28.0

2.9-3.5

Y27H

370-400

3.7-4.0

205-250

2.58-3.14

210-255

2.64-3.21

25.0-29.0

3.1-3.7

Y30

370-400

3.7-4.0

175-210

2.20-2.64

180-220

2.26-2.77

26.0-30.0

3.3-3.8

Y30BH

380-390

3.8-3.90

223-235

2.80-2.95

231-245

2.90-3.08

27.0-30.0

3.4-3.7

Y30H-1

380-400

3.8-4.0

230-275

2.89-3.46

235-290

2.95-3.65

27.0-32.0

3.4-4.0

Y30H-2

395-415

3.95-4.15

275-300

3.46-3.77

310-335

3.90-4.21

28.5-32.5

3.5-4.0

Y32

400-420

4.0-4.2

160-190

2.01-2.38

165-195

2.07-2.45

30.0-33.5

3.8-4.2

Y33

410-430

4.1-4.3

220-250

2.77-3.14

225-255

2.83-3.21

31.5~35.0

4.0-4.4

Remarks:
● The above-mentioned data are given at room temperature.
● The best range of working temperature: -40—+85℃;
● Temp. Coefficient of Br: α(Br)= -0.2%/℃ range from 0℃ to 100℃;
● Temp. Coefficient of Hcj: α(Hcj)= 0.2－0.5%/℃ range from 0℃ to 100℃.
● Density: 4.5—5.0g/cm3.
● If the material you are looking for is not listed, please contact us to discuss your needs.
 
Japan TDK Standard

Grade

Composition

Br

Hcb

Hcj

(BH)max

 

 

 

 

mT

kG

kA/m

kOe

kA/m

kOe

KJ/m3

MGOe

FB40

SrO6Fe2O3

410+/-10

4.1+/-10

234.8+/-11.9

2.95+/-0.15

238.7+/-15.9

3.0+/-0.2

31.4+/-1.6

3.95+/-0.2

FB3N

SrO6Fe2O3

395+/-15

3.95+/-15

234.8+/-11.9

2.95+/-0.15

238.7+/-15.9

3.0+/-0.2

28.7+/-2.4

3.6+/-0.3

FB3G

SrO6Fe2O3

375+/-15

3.75+/-15

254.6+/-15.9

3.2+/-0.2

270.6+/-19.9

3.4+/-0.25

25.9+/-2.4

3.25+/-0.3

FB3X

SrO6Fe2O3

375+/-15

3.75+/-15

234.8+/-11.9

2.95+/-0.15

238.7+/-15.9

3.0+/-0.2

25.9+/-2.4

3.25+/-0.3

FB1A

SrO6Fe2O3

220+/-15

2.20+/-15

159.2+/-15.9

2.0+/-0.2

258.6+/-19.9

3.25+/-0.25

8.9+/-1.6

1.1+/-0.2

FB5H

SrO6Fe2O3

405+/-15

4.05+/-15

298.4+/-11.9

3.75+/-0.15

322.3+/-11.9

4.05+/-0.15

31.1+/-1.6

3.9+/-0.2

FB4X

SrO6Fe2O3

420+/-10

4.20+/-10

234.8+/-11.9

2.95+/-0.15

238.7+/-15.9

3.0+/-0.2

33.4+/-1.6

4.2+/-0.2

FB4B

SrO6Fe2O3

400+/-10

4.00+/-10

254.6+/-11.9

3.2+/-0.2

262.6+/-19.9

3.3+/-0.25

30.3+/-1.6

3.8+/-0.2

FB4A

SrO/BaO6Fe2O3

410+/-10

4.10+/-10

175.1+/-15.9

2.2+/-0.2

176.7+/-15.9

2.22+/-0.2

31.8+/-1.6

4.0+/-0.2

FBGN

SrO6Fe2O3

440+/-10

4.40+/-10

258.6+/-11.9

3.25+/-0.15

262.6+/-11.9

3.3+/-0.15

36.7+/-1.6

4.6+/-0.2

FB6B

SrO6Fe2O3

420+/-10

4.20+/-10

302.4+/-11.9

3.8+/-0.15

318.3+/-11.9

4.0+/-0.15

33.4+/-1.6

4.2+/-0.2

FB6H

SrO6Fe2O3

400+/-10

4.00+/-10

302.4+/-11.9

3.8+/-0.15

358.1+/-11.9

4.5+/-0.15

30.3+/-1.6

3.8+/-0.2

FB6E

SrO6Fe2O3

380+/-10

3.80+/-10

290.5+/-11.9

3.65+/-0.15

393.9+/-11.9

4.95+/-0.15

27.5+/-1.6

3.45+/-0.2

FB5N

SrO6Fe2O3

440+/-10

4.40+/-10

256.8+/-11.9

2.85+/-0.15

2259.2+/-11.9

2.88+/-0.15

36.7+/-1.6

4.6+/-0.2

FB5B

SrO6Fe2O3

420+/-10

4.20+/-10

262.6+/-11.9

3.3+/-0.15

266.6+/-11.9

3.35+/-0.15

33.4+/-1.6

4.2+/-0.2
 
USA Standard

Material

Br

Hcb

Hcj

(BH)max

mT

KG

KA/m

KOe

KA/e

KOe

kj/m³

MGOe

C1

230

2.3

148

1.86

258

3.5

8.36

1.05

C5

380

3.8

191

2.4

199

2.5

27

3.4

C7

340

3.4

258

3.23

318

4.00

21.9

2.75

C8(=C8A)

385

3.85

235

2.95

242

3.05

27.8

3.5

C8B

420

4.2

232

2.913

236

2.96

32.8

4.12

C9

380

3.8

280

3.516

320

4.01

26.4

3.32

C10

400

4.0

288

3.617

280

3.51

30.4

3.82

C11

430

4.3

200

2.512

204

2.56

34.4

4.32
 
The standard from International Electronics Committee(IEC404-8-1)

Grade

Allowed Value (min / typical)

Br

Hcb (BHC)

Hcj (IHC)

(BH)max

MT

KG

KA/m

KOe

KA/m

KOe

Kj/m³

MGOe

HF8/22

200/220

2.00/2.20

125/140

1.57/1.76

220/230

2.76/2.89

6.5/6.8

0.8/1.1

HF20/19

320/333

3.20/3.33

170/190

2.14/2.39

190/200

2.39/2.51

20.0/21.0

2.5/2.7

HF20/28

310/325

3.10/3.25

220/230

2.76/2.89

280/290

3.52/3.64

20.0/21.0

2.5/2.7

HF22/30

350/365

3.50/3.65

255/265

3.20/3.33

290/300

3.64/3.77

22.0/23.5

2.8/3.0

HF24/16

350/365

3.50/3.65

155/175

1.95/2.20

160/180

2.01/2.26

24.0/25.5

3.0/3.2

HF24/23

350/365

3.50/3.65

220/230

2.76/2.89

230/240

2.89/3.01

24.0/25.5

3.0/3.2

HF24/35

360/370

3.60/3.70

260/270

3.27/3.39

350/360

4.40/4.52

24.0/25.5

3.0/3.2

HF26/16

370/380

3.70/3.80

155/175

1.95/2.20

160/180

2.01/2.26

26.0/27.0

3.2/3.4

HF26/18

370/380

3.70/3.80

175/190

2.20/2.39

180/190

2.26/2.39

26.0/27.0

3.3/3.4

HF26/24

370/380

3.70/3.80

230/240

2.89/3.01

240/250

3.01/3.14

26.0/27.0

3.3/3.4

HF26/26

370/380

3.70/3.80

230/240

2.89/3.01

260/270

3.27/3.39

26.0/27.0

3.3/3.4

HF26/30

385/395

3.85/3.95

260/270

3.27/3.39

300/310

3.77/3.89

26.0/27.0

3.3/3.4

HF28/26

385/395

3.85/3.95

250/265

3.14/3.33

260/275

3.27/3.45

28.0/30.0

3.5/3.8

HF28/28

385/395

3.85/3.95

260/270

3.27/3.39

280/290

3.50/3.60

28.0/30.0

3.5/3.8

HF30/26

395/405

3.95/4.05

250/260

3.14/3.33

260/270

3.27/3.39

30.0/31.5

3.8/3.9

HF32/17

410/420

4.10/4.20

160/180

2.01/2.26

165/175

2.07/2.20

32.0/33.0

4.0/4.1

HF32/22

410/420

4.10/4.20

215/225

2.70/2.83

220/230

2.76/2.89

32.0/33.0

4.0/4.1

HF32/25

410/420

4.10/4.20

240/250

3.01/3.14

250/260

3.14/3.27

32.0/33.0

4.0/4.1
 
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