Rare Earth Magnet - Disc, 0.25 in. Diameter x 0.125 in. Thick, 40-CountPart Number NSN0579
Imperial Dimensions 0.25 inch diameter x 0.125 inch thick
Metric Dimensions 6.35mm diameter x 3.175mm thick
Material Sintered Neodymium-Iron-Boron (NdFeB)
Shape Disc
Plating Ni-Cu-Ni (Nickel)
Magnetization Direction Thickness
Grade N40
Pull Force (lbs[g]) 2.67[1211]
Surface Field(G) 3908
Maximum Operating Temperature 80 Deg C (176 Deg F)
Dimensional Tolerance +/-0.005"
Magnet Quantity 40
Volume (cm3) 0.1
Weight (g) 0.75
Brand Magcraft
Packaging Magpak Tube
UPC 897970000792
Remanent Flux Density Br (kG [T]) 12.5-12.8 [1.25-1.28]
Coercivity HcB (kOe [kA/m]) >=10.9 [>=867]
Intrinsic Coercivity HcJ (kOe [kA/m]) >=12.0 [>=995]
Maximum Energy Product Bhmax (MGOe [kJ/m3]) 38-41 [302-326]
Density p(g/cm3) >=7.45
Compression Strength (Mpa) 600-1200
Bending Strength (Mpa) 150-380
Vickers Hardness (HV) 460-660
Recoil Permeability (urec) 1.05
Electrical Resistance (Ohm*mm2/m) 1.25-1.55
Curie Temperature Tc (°C) 310
Thermal Expansion Coefficient 100°C//(x10^-6/K) 6
Thermal Expansion Coefficient 100°C?(x10^-6/K) -1
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Age
8+
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Part No
NSN0579
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Manufacturer
MAGCRAFT
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Stock No
3522-AA21-40
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SKU No
230720
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