Loud Speaker Applications
MMG. Custom shapes and sizes are available upon requests.
| Material Grade | Remanent
Flux Density, Br [mT] minimum |
Coercivity,
bHc [kA/m] minimum |
Intrinsic
Coercivity, jHc |
Maximum
Energy Product, BHmax [kJ/m³] minimum |
| N25 | 1020 | 756 | 2387 | 199 |
| N28 | 1050 | 780 | 2387 | 223 |
| N30 | 1080 | 835 | 1353 | 239 |
| N35 | 1180 | 860 | 1353 | 279 |
| N40 | 1270 | 875 | 1353 | 318 |
| N42 | 1300 | 955 | 1592 | 334 |
| N45 | 1340 | 995 | 955 | 358 |
| N48 | 1380 | 875 | 955 | 382 |
| Material Grade Suffix | Maximum
Working Temperature [°C] |
| None | 80 |
| H | 120 |
| SH | 150 |
| UH | 180 |
| EH | 200 |
| Material Grade | Remanent
Flux Density, Br [mT] minimum |
Coercivity,
bHc [kA/m] minimum |
Intrinsic
Coercivity, jHc |
Maximum
Energy Product, BHmax [kJ/m³] minimum |
| C5 | 400 | 160 | 185 | 28 |
| Core Type | Material Type | Typical Application |
| Toroids (Ring) | Permanent Magnet |
► Application Notes & Tech Alerts
The
New Feature for Ferrite Speaker Rings
Permanent
Magnet Progress
An Introduction
to Permanent Magnets
Automotive Applications
for Magnetic Materials