Understand NdFeB grades (Nxx), temperature suffix (H/SH/UH/EH/AH), demagnetisation curves, how to pick the right grade for motors, wireless charging, and industrial use. Datasheets, coatings, and

Your magnet passed all the specs but failed in the final product? The problem isn’t the magnet’s quality; it’s the application.
Magnets rarely lose

When sourcing NdFeB magnets, everyone focuses on the grade number (like N52). But the real secret to avoiding failure is the letter after it (e.g.,