Neodymium Ring Magnet 20x4.2x5 Thick N38

Magnet parameters:

• outer diameter: 20 mm (±0.1 mm)

• inner diameter: 4.2 mm (±0.1 mm)

• height: 5 mm (±0.1 mm)

• weight of the magnet: ~11.3 g

• material: Neodym NdFeB

• direction of magnetisation: axial, along the height

• max. working temperature: 80^oC.

• coating: Ni + Cu + Ni

• strength: ~6 kg

Magnetic properties of N38 material:

• remanence Br: 1.22-1.25 [T]; 12.2-12.5 [kGs]

• coercivity Hcb: ≥899 [kA/m]; ≥11.3[kOe]

• coercivity HcJ: ≥955 [kA/m]; ≥12 [kOe]

• energy density (BH) max: ≥287-310 [kJ/m3]; 36-39 [MGOe]

• magnetic induction on the surface of the magnet is: ~0.338 [T]

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