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Ferrite magnets
PERMADUR® -magnets are produced from isotropic or anisotropic strontium ferrite. They are in line with European
regulation DIN EN 71 for toys, because compared with
barium ferrite magnets, they have a greatly reduced content
of heavy metals.
PERMADUR® - magnets OXI 100 of isotropic magnetic hard ferrite, grade 9/29
isotropic PERMADUR® disc magnets
| Art.-No. | Sizes [mm] | Quality | Magnetizing* |
|---|
| 01014 | ( Ø 3 x 2 ) | OXI 100 | ax | | 01017 | ( Ø 5 x 4 ) | OXI 100 | ax | | 01033 | ( Ø 8 x 4 ) | OXI 100 | ax | | 01015 | ( Ø 9 x 3 ) | OXI 100 | osmp | | 01041 | ( Ø 11 x 3 ) | OXI 100 | osmp | | 01032 | ( Ø 10 x 6 ) | OXI 100 | ax | | 01037 | ( Ø 12 x 10 ) | OXI 100 | osmp | | 01001 | ( Ø 14 x 3 ) | OXI 100 | osmp | | 01002 | ( Ø 14 x 5 ) | OXI 100 | osmp | | 01038 | ( Ø 15 x 10 ) | OXI 100 | osmp | | 01034 | ( Ø 16 x 3 ) | OXI 100 | osmp | | 01022 | ( Ø 19 x 4 ) | OXI 100 | osmp | | 01003 | ( Ø 20 x 3 ) | OXI 100 | osmp | | 01005 | ( Ø 20 x 5 ) | OXI 100 | osmp | | 01039 | ( Ø 20 x 10 ) | OXI 100 | osmp | | 01010 | ( Ø 25 x 3 ) | OXI 100 | osmp | | 01011 | ( Ø 25 x 4 ) | OXI 100 | osmp | | 01013 | ( Ø 25 x 5 ) | OXI 100 | osmp | | 01030 | ( Ø 30 x 3 ) | OXI 100 | osmp |
- one side multi-pole = osmp
- axial = ax
Isotrope PERMADUR® isotropic ring magnets
| Art.-No. | Sizes in [mm] | Quality | Magnetizing* |
|---|
| 01408 | ( Ø 8 x Ø 4 x 3 ) | OXI 100 | ax | | 01312 | ( Ø 9 x Ø 5 x 2 ) | OXI 100 | ax | | 01409 | ( Ø 11,8 x Ø 7,9 x 3 ) | OXI 100 | osmp | | 01407 | ( Ø 12,5 x Ø 2 x 4 ) | OXI 100 | osmp | | 01411 | ( Ø 14 x Ø 2,5 x 5 ) | OXI 100 | ax | | 01315 | ( Ø 18 x Ø 6,2 x 3 ) | OXI 100 | ax | | 01413 | ( Ø 23 x Ø 7,3 x 5 ) | OXI 100 | n.m. |
- axial = ax
- one side multi-pole = osmp
- not magnetized: n.m.
PERMADUR® isotropic rectangular magnets.
| Art.-No. | Sizes [mm] | Quality | Magnetizing* |
|---|
| 01306 | ( 15 x 15 x 5 ) | OXI 100 | ax | | 01415 | ( 24 x 13 x 7 ) | OXI 100 | ax | | 01322 | ( 24,7 x 7,4 x 6 ) | OXI 100 | n.m. | | 01327 | ( 25 x 16 x 2,5 ) | OXI 100 | ax | | 01324 | ( 25 x 10 x 5 ) | OXI 100 | osmp | | 01325 | ( 30 x 25 x 4 ) | OXI 100 | ax | | 01307 | ( 40 x 10 x 4 ) | OXI 100 | osmp | | 01305 | ( 42 x 22 x 7,4 ) | OXI 100 | osmp | | 01320 | ( 42,5 x 14 x 4,5 ) | OXI 100 | osmp | | 01323 | ( 42,5 x 14 x 6 ) | OXI 100 | n.m. | | 01321 | ( 50 x 15 x 6 ) | OXI 100 | osmp |
- axial = ax
- one side multi-pole = osmp
- not magnetized: n.m.
PERMADUR® OXI 300 magnets. from anisotropic magnetic hard ferrite of 24/16 quality
PERMADUR® anisotropic disc magnets
| Art.-No. | Sizes [mm] | Quality | Magnetizing* |
|---|
| 01103 | ( Ø 8 x 4 ) | OXI 300 | ax | | 01104 | ( Ø 10 x 7 ) | OXI 300 | ax | | 01106 | ( Ø 20 x 6 ) | OXI 300 | ax | | 01040 | ( Ø 40 x 7 ) | OXI 300 | ax |
PERMADUR® anisotropic ring magnets
| Art.-No. | Sizes [mm] | Quality | Magnetizing* |
|---|
| 01414 | ( Ø 23 x Ø 7 x 3 ) | OXI 350 | osmp | | 01452 | ( Ø 32 x Ø 15 x 5,5 ) | OXI 340 | n.m. | | 01454 | ( Ø 40 x 22,5 x 9 ) | OXI 300 | ax | | 01457 | ( Ø 45 x 22,8 x 8,5 ) | OXI 300 | ax |
- axial = ax
- one side multi-pole = osmp
- not magnetized: n.m.
Anisotrope PERMADUR® anisotropic rectangular magnets
| Art.-No. | Sizes [mm] | Quality | Magnetizing* |
|---|
| 01101 | ( 11,5 x 6,5 x 2,5 ) | OXI 300 | ax | | 01116 | ( 24 x 13 x 7 ) | OXI 300 | ax | | 01045 | ( 75 x 20 x 25 ) | OXI 300 | ax | | 01050 | ( 75 x 50 x 20 ) | OXI 300 | ax |
- axial = ax
- one side multi-pole = osmp
- not magnetized: n.m.
Magnetic charateristics of sintered hard-ferrites
| Quality |
Br |
bHc |
IHc |
(BH)max |
Thickness |
T-max |
| |
|
mT |
Oe |
KA/m |
Oe |
KA/m |
MGOe |
KJ/m3 |
g/cm3 |
°C |
| OXI 100 |
Y10 |
>200 |
>1570 |
>125 |
>2640 |
>210 |
>0,8 |
>6,5 |
4,5-5,1 |
250 |
| OXI 300 |
Y25 |
>360 |
>1700 |
>135 |
>1760 |
>140 |
>2,8 |
>22,5 |
4,5-5,2 |
250 |
| OXI 340 |
Y30 |
>370 |
>2200 |
>175 |
>2260 |
>180 |
>3,3 |
>26 |
4,5-5,3 |
250 |
| OXI 340H |
Y30BH |
>380 |
>2890 |
>230 |
>2950 |
>235 |
>3,4 |
>27 |
4,5-5,4 |
250 |
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