Ring Magnet 25x(7.5x4.5)x5 with Countersunk Borehole N38

Magnet parameters:

• external diameter: 25 mm (±0.1 mm)

• internal diameter: 4.5 mm (±0.1 mm)

• phase dimeter / angle: 7.5 mm (±0.1 mm) / 90°

• height: 3 mm (±0.1 mm)

• weight of the magnet: ~18 g

• material: Neodym NdFeB

• direction of magnetization: along the height

• maximum temperature: 80 ° C.

• coating: Ni + Cu + Ni

• strenght: ~8 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]

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