Disc magnet Ø 20 x 6mm Ferrite Y30 no coating holds 800g - 20 pcs

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Artikel ID
1059
content
1 piece
7,46£

incl. 19 % VAT plus delivery costs



holds 800g, 20 pcs

 

Disc magnets have a diameter greater than thickness, and are available in sizes approx 8mm diameter up to 30mm. Pull strengths begin at around 103g and can reach up to 1.1kg. For Ferrite magnets in a cylindrical shape, see our Rods section. These round disc magnets can be easily affixed into drilled holes. The dimensions for disc magnets are measured "Diameter  x  Height". The discs are magnetised from top-to-bottom through the thickness.

 

Ferrite magnets can be used in a wide range of applications due to their high coercivity and low cost. They also have good machining properties which allows them to be cut into different shapes and sizes - they are cut with diamond tooling; standard drills and wire spark erosion techniques do not work. Ferrite has an excellent resistance to demagnetisation/corrosion, however care must be taken when handling the product due to its brittleness. Ferrite magnets can be used up to +250 degrees C making it ideal for use in electrical machines. At sub-zero temperatures e.g. less than -10 to -20 deg C, ferrite may start to show a reduced pull force (the temperature and the degree of weakening depends on the magnet shape and is application specific; for most uses this effect does not happen as the magnets never get that cold).

 

 

  

 

Applications of ferrite magnets

The ferrite magnets lend themselves to a variety of applications: from simple, such as magnetic locks for furniture or leather, magnetic lifters or magnetic separators, to the most sophisticated electric micromotors, which represent, along with speakers and some special magnetic applications, the areas of interest.

 

 

 

  Manufactured after 2013/01/01, The object of the declaration described above is in conformity with DIRECTIVE 2011/65/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL an the restriction of the use of certain hazardous substances in electrical and electronic equipment.

  • Disc Magnet - ferrite disc magnet Ø 20 mm x 6 mm Ferrite, Y30, pull 800 g, 20 pcs
  • Material: Ferrite, Shape: Disc, Diameter: 20 mm(+/- 0,1 mm), Height: 6 mm(+/- 0,1 mm)
  • Coating: no coating
  • Magnetisation: Y30, Strength: approx. 800 g, Max. working temperature: 250°C,
  • Weight: 9 g
 

Product Code

1059

Magnetic-Model-Shape

Disc / Rod

Material

Fe2O3 ( Ferrit )

Plating

uncoated

Magnetization quality

Y30

Max Temp (degrees C)

250° C

Magnetization

axial

Weight

9 g

Volume

1884 mm³

Overall Dimension

Ø 10 mm x 6 mm

Height:

H 6 mm

Diameter

D 20 mm

Remanence Br (kG)

min. 3,9

Remanence Br (T)

min. 0,39

Coercivity bHc (kOe)

min. 2,3

Coercivity bHc (kA/m)

min. 184

Coercivity iHc (kOe)

min. 2,3

Coercivity iHc (kA/m)

min. 188

Energy product (BxH) max MGOe

min. 3,4

Energy product (BxH) max kJ/m³

min. 27,6

Flux density (Gauss)

*

Adhesive force (Kg)

0,8

Sliding resistance (Kg)

*

 

     

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