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Performance Level
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Performance Levels (by grade number)
• Standard Performance: approx. N35–N42 – Suitable for general motors, sensors and magnetic fixtures.
• High Performance: approx. N45–N50 – Higher energy for compact or higher-torque motors.
• Ultra High Performance: approx. N52–N54 – Very high energy, ideal where space is very limited and torque is critical.
Series (by letter suffix)
• N: Standard temperature, typical max. operating temp ~80 °C.
• M: Medium temperature, up to ~100 °C.
• H / SH: High-temperature grades, typically 120–150 °C.
• UH / EH / AH: Ultra high-temperature grades, typically 180–250 °C and above.
Performance level is mainly related to the grade number (e.g. 35 / 42 / 52),
while the letter series (N / M / H / SH / UH / EH / AH) mainly indicates coercivity level and temperature resistance.
and series, then click column headers to sort.
Grade
Series
Br [T]
Br [kGs]
HcJ [kA/m]
HcJ [kOe]
HcB [kA/m]
HcB [kOe]
(BH)max [kJ/m³]
(BH)max [MGOe]
Max Operating Temp [°C]
α(Br) [%/°C]
β(HcJ) [%/°C]
*Tip: From N to AH(N → M → H → SH → UH → EH → AH), higher series generally indicate higher intrinsic coercivity and better resistance to irreversible demagnetization at elevated temperatures.
