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Ferrite BaSi
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| The Ferrite magnet are made of ferric oxide/barium, strontium. Ferrite has higher coercive force and higher resistance to corrosion than other non-rare earth permanent magnets. The biggest advantage of such magnet is their low cost. It is widely used for motors loudspeaders toys and craft etc ... |
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SJ/T10410-93 Ferrite Magnetism of Product
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Grade
|
Br
|
Hcb
|
Hcj
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(BH)max
|
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mT
|
KG
|
KA/m
|
KOe
|
KA/m
|
KOe
|
KJ/m3
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MGOe
|
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Y20
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320-380
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3.2-3.8
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135-190
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1.70-2.58
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140-195
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1.76-2.45
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18.0-22.0
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2.3-2.8
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Y25
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360-400
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3.6-4.0
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135-170
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1.70-2.14
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140-200
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1.76-2.51
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22.5-28.0
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2.8-3.5
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Y28
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370-400
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3.7-4.0
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175-210
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2.20-2.64
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180-220
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2.26-2.77
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26.0-30.0
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3.3-3.8
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Y30H-1
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380-400
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3.8-4.0
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230-275
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2.89-3.46
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235-290
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2.95-3.65
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27.0-32.5
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3.4-4.1
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Y30H-2
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395-415
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3.95-4.15
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275-300
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3.46-3.77
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310-335
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3.90-4.21
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28.5-32.0
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3.5-4.0
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Grade
|
Br
|
Hcb
|
Hcj
|
(BH)max
|
|
mT
|
KG
|
KA/m
|
KOe
|
KA/m
|
KOe
|
KJ/m3
|
MGOe
|
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Y10T
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200-235
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2.0-2.35
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125-160
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1.57-2.01
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210-280
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2.64-3.52
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6.5-9.5
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0.8-1.2
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Y20
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320-380
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3.2-3.8
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135-190
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1.70-2.38
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140-195
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1.76-2.45
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18.0-22.0
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2.3-2.8
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Y22H
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310-360
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3.1-3.6
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220-250
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2.77-3.14
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280-320
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3.52-4.02
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20.0-24.0
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2.5-3.2
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Y23
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320-370
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3.2-3.7
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170-190
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2.14-2.38
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190-230
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2.39-2.89
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20.0-25.5
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2.5-3.2
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Y25
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360-400
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3.6-4.0
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135-170
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1.70-2.14
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140-200
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1.76-2.51
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22.5-28.0
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2.8-3.5
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Y26H
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360-390
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3.6-3.9
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220-250
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2.77-3.14
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225-255
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2.83-3.21
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23.0-28.0
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2.9-3.5
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Y27H
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370-400
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3.7-4.0
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205-250
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2.58-3.14
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210-255
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2.64-3.21
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25.0-29.0
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3.1-3.7
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Y30
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370-400
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3.7-4.0
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175-210
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2.2-2.64
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180-220
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2.64-2.77
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26.0-30.0
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3.3-3.8
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Y30BH
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380-390
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3.8-3.9
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223-235
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2.80-2.95
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231-245
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2.90-3.08
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27.0-30.0
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3.4-3.7
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Y30-1
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360-400
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3.6-4.0
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135-170
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1.70-2.14
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140-200
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1.76-2.51
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22.5-28.0
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2.8-3.5
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Y10T
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380-400
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3.8-4.0
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230-275
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2.89-3.46
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235-290
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2.95-3.65
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27.0-32.0
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3.4-4.0
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Y20-2
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395-415
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3.95-4.15
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275-300
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3.46-3.77
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310-335
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3.90-4.21
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28.5-32.5
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3.5-4.0
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Y32
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400-420
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4.0-4.2
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160-190
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2.01-2.38
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165-195
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2.07-2.45
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30.0-33.5
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3.8-4.2
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Y33
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410-430
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4.1-4.3
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220-250
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2.77-314
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225-255
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2.83-3.21
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31.5-35.0
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4.0-4.4
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Y35
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400-410
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4.00-4.10
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175-195
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2.20-2.45
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180-200
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2.26-2.51
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30.0-32.0
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3.8-4.0
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Material
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Br
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Hcb
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Hcj
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(BH)max
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mT
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KG
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KA/m
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KOe
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KA/m
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KOe
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KJ/m3
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MGOe
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C1
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230
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2.3
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148
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1.86
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258
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3.5
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8.36
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1.05
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C5
|
380
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3.8
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191
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2.4
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199
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2.5
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27
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3.4
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C7
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340
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3.4
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258
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3.23
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318
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4.00
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21.9
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2.75
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C8(C8A)
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385
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3.85
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235
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2.95
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242
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3.05
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27.8
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3.5
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C9
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380
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3.8
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280
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3.516
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320
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4.01
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26.4
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3.32
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C10
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400
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4.0
|
288
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3.617
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280
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3.51
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30.4
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3.82
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C11
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430
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4.3
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200
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2.512
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204
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2.56
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34.4
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4.32
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Europe standard
The standard from International Electronics Committee (IEC404-8-1)
O×100=Y10T=C1 O×300=Y30=C5 O×330=Y30BH
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Grade
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Allowed Value (min/typical)
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Br
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Hcb
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Hcj
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(BH)max
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mT
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KG
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KA/m
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KOe
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KA/m
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KOe
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KJ/m3
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MGOe
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HF8/22
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200/220
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2.00/2.20
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125/140
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1.57/1.76
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220/230
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2.76/2.89
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6.5/6.8
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0.8/1.1
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HF20/19
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320/333
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3.20/3.33
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170/190
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2.14/2.39
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190/200
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2.39/2.51
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20.0/21.0
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2.5/2.7
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HF20/28
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310/325
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3.10/3.25
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220/230
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2.76/2.89
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280/290
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3.52/3.64
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20.0/21.0
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2.5/2.7
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HF22/30
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350/365
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3.5/3.65
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255/265
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3.20/3.33
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290/300
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3.64/3.77
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22.0/23.5
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2.8/3.0
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HF24/16
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350/365
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3.5/3.65
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155/175
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1.95/2.20
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160/180
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2.01/2.26
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24.0/25.5
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3.0/3.2
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HF24/23
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360/370
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3.5/3.65
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220/230
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2.76/2.89
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230/240
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2.89/3.01
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24.0/25.5
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3.0/3.2
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HF24/35
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370/380
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3.60/3.70
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260/270
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3.27/3.39
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350/360
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4.40/4.52
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24.0/25.5
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3.0/3.2
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HF26/16
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370/380
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3.70/3.80
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155/175
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1.95/2.20
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160/180
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2.01/2.26
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26.0/27.0
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3.2/3.4
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HF26/18
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370/380
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3.70/3.80
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175/190
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2.20/2.39
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180/190
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2.26/2.39
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26.0/27.0
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3.3/3.4
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HF26/24
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370/380
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3.70/3.80
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230/240
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2.89/3.01
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240/250
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3.01/3.14
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26.0/27.0
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3.3/3.4
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HF26/26
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370/380
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3.70/3.80
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230/240
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2.89/3.01
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260/270
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3.27/3.39
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26.0/27.0
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3.3/3.4
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HF26/30
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385/395
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3.85/3.95
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260/270
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