NR0109

Neodymium Φ20mmXΦ15mmX5mm

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Voice Name Symbol SI CGS
Shape Diameter D 20 mm 2 cm
Internal diameter ID 15 mm 1.5 cm
Height H 5 mm 0.5 cm
direction of magnetization M A
Weight Net 0.00515 kg 5.15 g
Surface treatment Ni 12 μm  
Magnetic
Characteristics
Surface magnetic flux density B 380.2 mT 3802 Gauss
Suction force
Adhesion
F 5.03 kgf 5033 gf
Magnetic flux density on load point Bd 835.9 mT 8359 Gauss
Total flux φo 0.0001149 Wb 11490 Mx
Permeance Coefficient Pc 2.45 Pc  
Maximum usage temperature Tw 95 ℃
Minimum usage temperature Tw  ℃
Material properties Materialsymbols Neodymium 35  
remanence Br 1170-1220 mT 11.7-12.2 kG
Coercivity Hcb ≧868 kA/m  kOe
Intrinsic coercive force Hcj ≧955 kA/m  kOe
Maximum energy product BH 263-287 kj/m3  MGOe
Temperature coefficient Br -0.12 %/℃  
Hcj -0.55 %/℃
Heat resistant temperature Tw ≦80 ℃
Curie temperature Tc 310 ℃
Density ρ 7.5 kg/m3
Remarks REACH RoHS Directive

*Magnetic flux density and attraction/heat force depends on the measurement equipment and the environment. These are only references values, these are not the guaranteed value.