N35 Speaker Magnet Disc of Various Grades And Shapes
Quick Detail
Grade: N35, N48, N50, 35H, 46H
Composite: NdFeB
Shape: disc, round, block
Surface coated: Ni, Zn, NiCuNi, Epoxy,
Certified: RoHS and MSDS
Description
Speaker 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.
Applications
They are widely used in speakers and electronic products.
Specification And Magnetic Parameters
| Grade | Br (mT) | bHc (KA/m) | jHc (KA/m) | BHmax(MGOe) | Br.Temp.Coefficient (%/) | Working Temp.() |
| N35 | 1170-1210 | ≥868 | ≥955 | 33-36 | -0.12 | ≤80 |
| N40 | 1250-1280 | ≥923 | ≥955 | 38-41 | -0.12 | ≤80 |
| N45 | 1320-1380 | ≥876 | ≥955 | 43-46 | -0.12 | ≤80 |
| N48 | 1370-1420 | ≥836 | ≥876 | 46-49 | -0.12 | ≤80 |
| N50 | 1400-1450 | ≥836 | ≥876 | 47-51 | -0.12 | ≤80 |
| 35M | 1170-1210 | ≥868 | ≥1114 | 33-36 | -0.12 | ≤100 |
| 45M | 1320-1380 | ≥994 | ≥1114 | 42-46 | -0.12 | ≤100 |
| 48M | 1370-1420 | ≥1018 | ≥1114 | 45-49 | -0.12 | ≤100 |
| 50M | 1400-1450 | ≥1042 | ≥1114 | 47-51 | -0.12 | ≤100 |
| 35H | 1170-1210 | ≥868 | ≥1353 | 33-36 | -0.1 | ≤120 |
| 38H | 1210-1250 | ≥899 | ≥1353 | 36-37 | -0.1 | ≤120 |
| 40H | 1250-1280 | ≥923 | ≥1353 | 38-41 | -0.1 | ≤120 |
| 42H | 1280-1320 | ≥955 | ≥1353 | 40-43 | -0.1 | ≤120 |
| 46H | 1320-1380 | ≥980 | ≥1274 | 43-47 | -0.1 | ≤120 |
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