Description
High-performance N52 neodymium ring magnet designed for miniature precision applications requiring maximum magnetic strength in a compact form factor. Ideal for micro motors, sensors, magnetic switches, electronic assemblies, and specialized industrial applications where high energy density is required.
| Specification | Details |
|---|---|
| Magnet Type | Neodymium Iron Boron (NdFeB) |
| Grade | N52 |
| Shape | Ring |
| Magnetization Direction | Axial (through thickness) |
| Outer Diameter (OD) | 3.43 mm |
| Inner Diameter (ID) | 1.10 mm |
| Thickness | 0.96 mm |
| Dimensional Tolerance | ±0.05 mm |
| Coating | Nickel–Copper–Nickel (NiCuNi) |
| Coating Thickness | Approx. 12–25 µm |
| Surface Finish | Bright silver metallic finish |
| Residual Induction (Br) | 1.43–1.48 Tesla |
| Coercivity (Hcb) | ≥ 10.5 kOe |
| Intrinsic Coercivity (Hcj) | ≥ 11.0 kOe |
| Maximum Energy Product (BHmax) | 48–53 MGOe |
| Surface Field (Approx.) | 4,000–5,500 Gauss |
| Pull Force (Direct steel contact, approx.) | 0.05–0.15 kgf (0.5–1.5 N) |
| Volume | Approx. 7.2 mm³ |
| Weight | Approx. 0.05–0.06 g per magnet |
| Maximum Operating Temperature | 80°C |
| Curie Temperature | Approx. 310–320°C |
| Temperature Coefficient (Br) | −0.11% per °C |
| Material Characteristics | Very hard and brittle sintered magnetic material |
| Machinability | Not machinable after magnetization |
| Compliance | RoHS & REACH compliant |
| Typical Applications | Micro motors, sensors, magnetic switches, precision instruments, electronics, medical devices |
Warning
This product is not a toy and is unsuitable for children. Designed for scientific and industrial use, it contains strong Neodymium magnets that can be harmful if swallowed. These magnets are brittle and may chip or break upon impact. Handle with care. Please review the Warnings page before ordering.
