D20x2 F30 Disc-shaped ferrite magnet
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Hard Ferrite Magnet: F30
Outer diameter: 20mm +0.2/- 0.2 mm
Height: 2mm +0.2/- 0.2 mm
Magnetisation: 2mm
Weight: 3 gAttraction force: 0.22 Kg
Magnetic properties F30: remanencja Br min. 0.37 [T ] ,
Coercion HCB min. 175 [ kA / m] ,
Coercja HCJ min. 180 [kA / m], energy product (BH) max min. 26 [kJ/m3]
Physical properties: density ~ 4.5 [ g/cm3 ], resistivity 104-108 [ Ohm x cm]
The maximum working temperature is 250 ° [C].
Curing temperature ~ 450 ° [C] . Temperature coefficient remanencja TK (br) : approximately -0.19 % / ° [C] . Temperature coefficient Koercja TK ( HCJ ) : 0.40 % / ° [C]