The magnet restriction applies to neodymium-iron-boron (NdFeB) and samarium-cobalt (SmCo). Ferrite and AlNiCo magnets aren't covered.
| Magnet type | Covered? | Where you'll find it |
|---|---|---|
| NdFeB (neodymium) | Yes | Compact motors, servo and drone motors, sensors, small speakers, actuators |
| SmCo (samarium-cobalt) | Yes | High-temperature motors and sensors, aerospace and defense components |
| Ferrite (ceramic) | No | Larger or low-cost motors, speakers, holding magnets |
| AlNiCo | No | Some sensors, pickups, instruments, older designs |
Telling them apart
- Datasheet first. Look for "NdFeB", "neodymium", "rare-earth", "SmCo" or "ferrite/ceramic".
- Clues, not proof. High torque for the size, high operating temperature, or "rare-earth" in a catalog name suggest NdFeB or SmCo. Use them to prioritize, not to decide.
- Ask the manufacturer. A written statement of magnet material is the evidence you want in the file.
Why it matters for cost
Screening out ferrite and AlNiCo parts early keeps your tracing list, and your Stage 2 cost, small. In a typical Exposure Map, many magnet-containing parts turn out to be ferrite, or exempt for another reason.
This is general information, current as of the review date above. Check the clause text in your contract for the definitions that apply to you.