... earth material. It is a high performance,low temperturecoefficient permanent magnet with high working temperture-350°C.When working above 180 ... it is difficult to be eroded and oxidized. SmCo magnet is widely used in motors,transducers,instruments,generators,radar ... ≥1117≥14175-19122-24 Physical Properties of Sintered SmCo Magnet Parameters SmCo5Sm2Co17 Temperature Coefficent of Br(%/°C)-0.04 ...