Ferrite Strong Speaker Magnet With Disc Shape
Feature
1. least expensive material compared to alnico and rare earth magnets
2. High intrinsic coercive force
3. all kinds of shapes: arc, sector, disc, block, ring etc
4. Lower service temperature than alnico, greater than rare earth
5. Lower energy product than alnico and rare earth magnet
Spectification
| Grade | Br (mT) | bHc (KA/m) | jHc (KA/m) | BHmax(MGOe) | Density(g/cm3) | Br.Temp.Coefficient (%/) | Working Temp.() |
| Y10 | 200-235 | 125-160 | 210-280 | 0.8-1.2 | 4.8-4.9 | -0.2 | 250 |
| Y23 | 360-400 | 135-170 | 140-220 | 2.8-3.5 | 4.8-4.9 | -0.2 | 250 |
| Y30 | 370-400 | 175-210 | 180-220 | 3.3-3.8 | 4.8-4.9 | -0.2 | 250 |
| Y30BH | 380-400 | 230-275 | 235-290 | 3.4-4.1 | 4.8-4.9 | -0.2 | 250 |
| Y33 | 410-430 | 220-250 | 225-255 | 4.0-4.4 | 4.8-4.9 | -0.2 | 250 |
| Y35 | 400-420 | 160-190 | 165-195 | 3.8-4.2 | 4.8-4.9 | -0.2 | 250 |
Application
Package
