Electronic magnet Rare Earth Magnet with Strong N40 South C
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Electronic magnet Rare Earth Magnet with Strong N40 South Countersunc
Quick Detail
Composite: Rare Earth Magnet
Shape: Countersunc ring
Application: Industrial and Electronic magnet
Grade: N40 Material
Accurate Size: OD10xID4.3x3mm
Description and Specification
Rare earth magnets are produced by powder metallurgical process. Nd2Fe14B is the main element in Neodymium and gives Neodymium strong magnetic power. Neodymium has good machinability properties and can work well at temperatures up to 200 degrees Celsius. Since sintered Neodymium easily rusts, usually coated with such metals as Zinc, Nickel, NiCuNi or Epoxy.
| Grade | Br (mT) | bHc (KA/m) | jHc (KA/m) | Bhmax (MGOe) | Density (g/cm3) | Br.Temp.Coefficient (%/℃) | Working Temp.(℃) |
| N35 | 1170-1210 | ≥868 | ≥955 | 33-36 | 7.4-7.6 | -0.12 | ≤80 |
| N38 | 1210-1250 | ≥899 | ≥955 | 36-37 | 7.4-7.6 | -0.12 | ≤80 |
| N40 | 1250-1280 | ≥923 | ≥955 | 38-41 | 7.4-7.6 | -0.12 | ≤80 |
| N42 | 1280-1320 | ≥923 | ≥955 | 40-43 | 7.4-7.6 | -0.12 | ≤80 |
| N45 | 1320-1380 | ≥876 | ≥955 | 43-46 | 7.4-7.6 | -0.12 | ≤80 |
| N48 | 1370-1420 | ≥836 | ≥876 | 46-49 | 7.4-7.6 | -0.12 | ≤80 |
| N50 | 1400-1450 | ≥836 | ≥876 | 47-51 | 7.4-7.6 | -0.12 | ≤80 |
| N52 | 1440-1480 | ≥836 | ≥876 | 49-52 | 7.4-7.6 | -0.12 | ≤80 |
| 35M | 1170-1210 | ≥868 | ≥1114 | 33-36 | 7.4-7.6 | -0.12 | ≤100 |
| 38M | 1210-1250 | ≥899 | ≥1114 | 36-37 | 7.4-7.6 | -0.12 | ≤100 |
| 40M | 1250-1280 | ≥923 | ≥1114 | 38-42 | 7.4-7.6 | -0.12 | ≤100 |
| 42M | 1280-1320 | ≥955 | ≥1114 | 40-44 | 7.4-7.6 | -0.12 | ≤100 |
| 45M | 1320-1380 | ≥994 | ≥1114 | 42-46 | 7.4-7.6 | -0.12 | ≤100 |
| 48M | 1370-1420 | ≥1018 | ≥1114 | 45-49 | 7.4-7.6 | -0.12 | ≤100 |
| 50M | 1400-1450 | ≥1042 | ≥1114 | 47-51 | 7.4-7.6 | -0.12 | ≤100 |
| 30H | 1080-1130 | ≥810 | ≥1353 | 30-31 | 7.4-7.6 | -0.1 | ≤120 |
| 33H | 1130-1170 | ≥836 | ≥1353 | 31-33 | 7.4-7.6 | -0.1 | ≤120 |
| 35H | 1170-1210 | ≥868 | ≥1353 | 33-36 | 7.4-7.6 | -0.1 | ≤120 |
| 38H | 1210-1250 | ≥899 | ≥1353 | 36-37 | 7.4-7.6 | -0.1 | ≤120 |
| 40H | 1250-1280 | ≥923 | ≥1353 | 38-41 | 7.4-7.6 | -0.1 | ≤120 |
| 42H | 1280-1320 | ≥955 | ≥1353 | 40-43 | 7.4-7.6 | -0.1 | ≤120 |
| 44H | 1300-1370 | ≥963 | ≥1274 | 41-45 | 7.4-7.6 | -0.1 | ≤120 |
| 46H | 1320-1380 | ≥980 | ≥1274 | 43-47 | 7.4-7.6 | -0.1 | ≤120 |
| 30SH | 1080-1130 | ≥810 | ≥1592 | 30-31 | 7.4-7.6 | -0.1 | ≤150 |
| 33SH | 1130-1170 | ≥844 | ≥1592 | 31-33 | 7.4-7.6 | -0.1 | ≤150 |
| 35SH | 1170-1210 | ≥876 | ≥1592 | 33-36 | 7.4-7.6 | -0.1 | ≤150 |
| 38SH | 1210-1250 | ≥907 | ≥1592 | 36-37 | 7.4-7.6 | -0.1 | ≤150 |
| 40SH | 1250-1280 | ≥939 | ≥1592 | 38-41 | 7.4-7.6 | -0.1 | ≤150 |
| 42SH | 1290-1370 | ≥955 | ≥1592 | 41-45 | 7.4-7.6 | -0.1 | ≤150 |
| 28UH | 1020-1080 | ≥764 | ≥1990 | 26-29 | 7.4-7.6 | -0.1 | ≤180 |
| 30UH | 1080-1130 | ≥812 | ≥1990 | 28-31 | 7.4-7.6 | -0.1 | ≤180 |
| 33UH | 1130-1190 | ≥852 | ≥1990 | 31-34 | 7.4-7.6 | -0.1 | ≤180 |
| 35UH | 1170-1230 | ≥875 | ≥1990 | 33-37 | 7.4-7.6 | -0.1 | ≤180 |
| 38UH | 1210-1290 | ≥915 | ≥1990 | 36-40 | 7.4-7.6 | -0.1 | ≤180 |
| 40UH | 1250-1320 | ≥836 | ≥1990 | 38-42 | 7.4-7.6 | -0.1 | ≤180 |
| 28EH | 1040-1090 | ≥780 | ≥2388 | 26-29 | 7.4-7.6 | -0.1 | ≤200 |
| 30EH | 1090-1170 | ≥812 | ≥2388 | 28-32 | 7.4-7.6 | -0.1 | ≤200 |
| 33EH | 1140-1220 | ≥851 | ≥2388 | 31-35 | 7.4-7.6 | -0.1 | ≤200 |
| 35EH | 1180-1250 | ≥875 | ≥2388 | 33-37 | 7.4-7.6 | -0.1 | ≤200 |
Application
They are widely used in speaker, sensors, electronic products and medical equipments.
