75 x 50 x 20 / F30 - ferrite magnet

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85 x 65 x 20 / F30 - ferrite magnet
85 x 65 x 20 / F30 - ferrite magnet
75 x 50 x 20 / F30 - ferrite magnet75 x 50 x 20 / F30 - ferrite magnet€2.70

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Of Price Net Price Gross
1 pcs. €2.70 €3.32
20 pcs. €2.31 €2.84
150 pcs. €1.93 €2.37
Quantity
Available Quantity: 1016 pcs.

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Performance parameters
Length
75 [mm] +2,5%/-2,5%
Width
50 [mm] +2,5%/-2,5%
Height
20 [mm] +0,1/-0,1
magnetizing direction along dimension
20 [mm]

Direction of magnetization along the height (the last dimension included in a magnet name) means that the surface of a magnet perpendicular to its height makes the N-pole, while the other surface perpendicular to the height refers to the S-pole;.
Material
Ferrite
Grade
F30
maximal hoisting capacity
10,1 [kg]

The pull force was measured by using metal sheet 10 [mm] thick, acting with perpendicular detaching force. The air gap comprised between the metal sheet and a magnet causes reduction in the pull force.
Maximum working temperature
250 °[C]

For flat magnets and magnets mounted in the open magnetic circuit working temperature may be insignificantly lower. For high magnets and magnets mounted in the closed magnetic circuit working temperature equals max. working temperature for a given material. Curie’s temperature is ~ 450°[C]. Temperature coefficient of remanence TK(Br): approx. -0,19 %/°[C]. Temperature coefficient of coercivity TK(HcJ): approx. 0,40 %/°[C].
water-resistant
yes

Ferrite magnets do not require anticorrosive protection. They my be used in water.
As ceramic magnets, ferrite magnets are brittle.
Weight
337,5 [g]

All the numbers quoted were obtained as a result of tests with one specific item in a room temperature and are intended to serve for comparison of practical magnetic properties of magnets offered by the shop.

Magnetic properties of material grade F30

remanence Br min. 0,37 [T]
coercivity HcB min. 175 [kA/m]
coercivity HcJ min. 180 [kA/m]
energy product (BH)max min. 26 [kJ/m3]
Magnetic properties of a particular material, together with its shape, volume, max. working temperature and direction of magnetization have influence on practical magnetic properties of a magnet.
As an example, you will find attached a graph of a course of the II quadrant of magnetic hysteresis loop for a material grade F30.

Własności fizyczne

Physical proprieties

density ~4,5 [g/cm3]
resistivity 104 - 108 [uOhm x cm]

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Magnetic properties of material grade F30: remanence Br min. 0,37 [T], coercivity HcB min. 175 [kA/m], coercivity HcJ min. 180 [kA/m], energy product (BH)max min. 26 [kJ/m3] (Magnetic properties of a particular material, together with its shape, volume, max. working temperature and direction of magnetization have influence on practical magnetic properties of a magnet.)

Physical proprieties: density ~4,5 [g/cm3], resistivity 104 - 108 [Ohm x cm]

Max.working temperature is approx. 250°[C]. (For flat magnets and magnets mounted in the open magnetic circuit working temperature may be insignificantly lower. For high magnets and magnets mounted in the closed magnetic circuit working temperature equals max. working temperature for a given material.) Curie’s temperature is ~ 450°[C]. Temperature coefficient of remanence TK(Br): approx. -0,19 %/°[C]. Temperature coefficient of coercivity TK(HcJ): approx. 0,40 %/°[C].

Direction of magnetization along the height (the last dimension included in a magnet name) means that the surface of a magnet perpendicular to its height makes the N-pole, while the other surface perpendicular to the height refers to the S-pole;.

Ferrite magnets do not require anticorrosive protection. They my be used in water.

As ceramic magnets, ferrite magnets are brittle.

Weight of the magnet: ~337,5 [g]

We recommend testing of a magnet sample in specific conditions.

As an example, you will find attached a graph of a course of the II quadrant of magnetic hysteresis loop for a material grade F30

F30
mpl75x50x20f30
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Specific References

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F30.jpg

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