Neodymium Disc Magnet - 3mm x 1mm N45

Product code: D-D3H1-N45

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Neodymium Disc Magnet - 3mm x 1mm N45

Rated 5.0 out of 5
Based on 3 reviews
Product Code D-D3H1-N45
Pull Force* 117 gr
Weight 1 gm
Style Rare Earth Disc magnet
Gauss 3798
Grade N45
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised
Dimensions Height:1mm, Diameter:3mm
*Measured against up to 10mm mild steel.

Magnetic Product Description:

This rare earth disc has a diameter of 3 mm and a height of 1 mm. It has a magnetic flux reading of 3798 Gauss and a pull force of 117 grams. It is identified by the AMF magnet part number D-D3H1-N45.


Uses for our rare earth disc magnets:

These strong rare earth disc magnets are made from N45 grade Neodymium material. Small magnets such as these may be tiny in size however they are super strong relative to the less powerful magnetic materials such as Ferrite or Samarium cobalt magnets. Permanent magnets come in a range of sizes however these tiny discs are unlikely to be suitable for heavy duty applications. They can be used by themselves or in multiples, allowing you to adjust how much magnetic power you need on a very subtle level by adding or subtracting magnetic material to adjust the magnetic force to your needs. Although you may not consider the hold of 117 grams to be extremely strong it is considerable when their miniature proportions are taken into account. These small magnets are a craft makers dream. They strong magnets that can easily hidden from view in delicate artworks. Neodymium disc magnets are key components in all sorts or modern products and can be found in anything from electric motors to communication equipment. The Neodymium magnetic material is nickel coated to provide good resistance to the corrosive effects of humid environments and the chrome finish can be quite useful for aesthetic appeal.

Neodymium Disc Magnet - 3mm x 1mm N45 (D-D3H1-N45)

Grade
N45 N/A
Max Operating Temperature °C
<=80 N/A
Remanence Br(T)
1.32-1.38 N/A
Remanence Br(kGs)
13.2-13.8 N/A
Coercivity bHc(kA/m)
>=836 N/A
Coercivity bHc(Oe)
>=10.5 N/A
Intrinsic Coercivity iHc(kA/m)
>=875 N/A
Intrinsic Coercivity iHc(Oe)
>=11 N/A
Max Energy Product(BH)max(KJ/m)
334-366 N/A
Max Energy Product(BH)max(MGOe)
42-46 N/A
Grade N45 N/A
Max Operating Temperature °C <=80 N/A
Remanence Br(T) 1.32-1.38 N/A
Remanence Br(kGs) 13.2-13.8 N/A
Coercivity bHc(kA/m) >=836 N/A
Coercivity bHc(Oe) >=10.5 N/A
Intrinsic Coercivity iHc(kA/m) >=875 N/A
Intrinsic Coercivity iHc(Oe) >=11 N/A
Max Energy Product(BH)max(KJ/m) 334-366 N/A
Max Energy Product(BH)max(MGOe) 42-46 N/A

NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.

average rating 5.0 out of 5
Based on 3 reviews
  • 5 Stars
    3 Reviews
  • 4 Stars
    0 Reviews
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
3 Reviews
Reviewed by Drew M.
Verified Reviewer
I recommend this product
Rated 5 out of 5
Review posted

Just right and easy to hide

I tossed up between these and the super strong versions. I think, if in doubt, go stronger.

However, these are perfect for my application and will blend in invisibly.

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Reviewed by Nick J.
I recommend this product
Rated 5 out of 5
Review posted

Perfect for Miniatures

Used these for attaching small and medium models to flying stands. Worked a treat

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Reviewed by Grant
I recommend this product
Rated 5 out of 5
Review posted

Good quality magnets

I like the quality of these magnets, I would hope they would be considering their high price but I was not left disappointed :)

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Magnetic Product Description:

This rare earth disc has a diameter of 3 mm and a height of 1 mm. It has a magnetic flux reading of 3798 Gauss and a pull force of 117 grams. It is identified by the AMF magnet part number D-D3H1-N45.


Uses for our rare earth disc magnets:

These strong rare earth disc magnets are made from N45 grade Neodymium material. Small magnets such as these may be tiny in size however they are super strong relative to the less powerful magnetic materials such as Ferrite or Samarium cobalt magnets. Permanent magnets come in a range of sizes however these tiny discs are unlikely to be suitable for heavy duty applications. They can be used by themselves or in multiples, allowing you to adjust how much magnetic power you need on a very subtle level by adding or subtracting magnetic material to adjust the magnetic force to your needs. Although you may not consider the hold of 117 grams to be extremely strong it is considerable when their miniature proportions are taken into account. These small magnets are a craft makers dream. They strong magnets that can easily hidden from view in delicate artworks. Neodymium disc magnets are key components in all sorts or modern products and can be found in anything from electric motors to communication equipment. The Neodymium magnetic material is nickel coated to provide good resistance to the corrosive effects of humid environments and the chrome finish can be quite useful for aesthetic appeal.

Neodymium Disc Magnet - 3mm x 1mm N45 (D-D3H1-N45)

Grade
N45 N/A
Max Operating Temperature °C
<=80 N/A
Remanence Br(T)
1.32-1.38 N/A
Remanence Br(kGs)
13.2-13.8 N/A
Coercivity bHc(kA/m)
>=836 N/A
Coercivity bHc(Oe)
>=10.5 N/A
Intrinsic Coercivity iHc(kA/m)
>=875 N/A
Intrinsic Coercivity iHc(Oe)
>=11 N/A
Max Energy Product(BH)max(KJ/m)
334-366 N/A
Max Energy Product(BH)max(MGOe)
42-46 N/A
Grade N45 N/A
Max Operating Temperature °C <=80 N/A
Remanence Br(T) 1.32-1.38 N/A
Remanence Br(kGs) 13.2-13.8 N/A
Coercivity bHc(kA/m) >=836 N/A
Coercivity bHc(Oe) >=10.5 N/A
Intrinsic Coercivity iHc(kA/m) >=875 N/A
Intrinsic Coercivity iHc(Oe) >=11 N/A
Max Energy Product(BH)max(KJ/m) 334-366 N/A
Max Energy Product(BH)max(MGOe) 42-46 N/A

NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.

average rating 5.0 out of 5
Based on 3 reviews
  • 5 Stars
    3 Reviews
  • 4 Stars
    0 Reviews
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
3 Reviews
Reviewed by Drew M.
Verified Reviewer
I recommend this product
Rated 5 out of 5
Review posted

Just right and easy to hide

I tossed up between these and the super strong versions. I think, if in doubt, go stronger.

However, these are perfect for my application and will blend in invisibly.

Loading...
Was this helpful?
Reviewed by Nick J.
I recommend this product
Rated 5 out of 5
Review posted

Perfect for Miniatures

Used these for attaching small and medium models to flying stands. Worked a treat

Loading...
Was this helpful?
Reviewed by Grant
I recommend this product
Rated 5 out of 5
Review posted

Good quality magnets

I like the quality of these magnets, I would hope they would be considering their high price but I was not left disappointed :)

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Was this helpful?