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Discmagnet Ø 4.0 x 1.0 mm N45 Gold - holds 240 g

Product information "Discmagnet Ø 4.0 x 1.0 mm N45 Gold - holds 240 g"

Technical specifications

Adhesive force: 240 g
Coating: Gold (Ni-Cu-Ni-Au)
Diameter: 4 mm
Height H: 1 mm
Magnetization direction: axial (parallel to height)
Magnetization quality: N45
Material: Neodymium
Maximum temperature: 80 °C
Tolerance: +/- 0,1 mm
Volume: 13 mm³
Weight: 0,1 g

Technical specifications for magnetization grade N45

Material Remanence Coercivity Energy product Maximum temperature
  Br bHc iHc (BxH)max  
  Gauss (G) Tesla (T) typ. kOe kA/m kOe kA/m MGOe kJ/m 3  
N45 13200-13700 1.32-1.37 10.8-12.5 860-995 ≥  12 ≥  955 43-45 342-358 ≤  80

The product conforms to the European RoHS Community legislation

The product conforms to the European RoHS Community legislation (2002/95/EC - RoHS - Restriction of Hazardous Substances) relating to the use and the employment of certain hazardous substances in electrical and electronic devices.

Safety Notice

NdFeB magnets are hard and brittle. Especially with thinner dimensions / higher adhesive forces, these can easily break or splinter! An uncontrolled impact of two magnets as well as an external, mechanical shock or pressure load should therefore be avoided!

Determination of the magnetic force

The adhesive force of our magnets is determined at room temperature on a polished plate made of steel S235JR (ST37) with a thickness of 10 mm by the vertical withdrawal of the magnet (1kg ~ 10 N). A different value down to -10% compared to the specified value is possible in exceptional cases. In general, the value is exceeded. Please note that for thinner, painted and not absolute plan undergrounds the adhesive force represents only one raction of the specified values.

8 of 8 reviews

Average rating of 4.8 out of 5 stars


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28 October 2015 14:02

Review with rating of 5 out of 5 stars

Einsatzzweck Entwicklung innovativer Konzepte

17 October 2016 19:31

Review with rating of 5 out of 5 stars

Ich verwende die Magneten für selbstgemachte Karten und als Verschluß für kleine Boxen. Da die kleinen goldenen Scheiben sehr hübsch sind

28 April 2017 09:02

Review with rating of 5 out of 5 stars

Wie beschrieben.

21 June 2017 14:40

Review with rating of 5 out of 5 stars

Modellbau Super für Modellbauer Qualität sehr gut!

10 November 2017 11:46

Review with rating of 5 out of 5 stars

Erwartungen voll erfüllt. Produkt und Lieferung 1A

20 June 2019 09:50

Review with rating of 5 out of 5 stars

Ein Magnet eben

20 June 2019 09:50

Review with rating of 5 out of 5 stars

Ein Magnet eben

26 June 2017 21:46

Review with rating of 4 out of 5 stars

ok bon produit . Dommage que les pôles nord et sud ne soient pas repérés