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MPL 13x10x5 / N35H - lamellar magnet

lamellar magnet

Catalog no 020119

GTIN: 5906301811251

length [±0,1 mm]

13 mm

Width [±0,1 mm]

10 mm

Height [±0,1 mm]

5 mm

Weight

4.88 g

Magnetization Direction

↑ axial

Load capacity

3.38 kg / 33.15 N

Magnetic Induction

369.32 mT

Coating

[NiCuNi] nickel

2.44 ZŁ with VAT / pcs + price for transport

1.980 ZŁ net + 23% VAT / pcs

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MPL 13x10x5 / N35H - lamellar magnet

Specification/characteristics MPL 13x10x5 / N35H - lamellar magnet

properties

values

Cat. no.

020119

GTIN

5906301811251

Production/Distribution

Dhit sp. z o.o.

Country of origin

Poland / China / Germany

Customs code

85059029

length

13 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

4.88 g [±0,1 mm]

Magnetization Direction

↑ axial

Load capacity ~ ?

3.38 kg / 33.15 N

Magnetic Induction ~ ?

369.32 mT

Coating

[NiCuNi] nickel

Manufacturing Tolerance

± 0.1 mm

Magnetic properties of material N35H

properties

values

units

remenance Br [Min. - Max.] ?

11.7-12.1

kGs

remenance Br [Min. - Max.] ?

1170-1210

coercivity bHc ?

10.8-11.5

kOe

coercivity bHc ?

860-915

kA/m

actual internal force iHc

≥ 17

kOe

actual internal force iHc

≥ 1353

kA/m

energy density [Min. - Max.] ?

33-35

BH max MGOe

energy density [Min. - Max.] ?

263-279

BH max KJ/m

max. temperature ?

≤ 120

°C

Physical properties of NdFeB

properties

values

units

Vickers hardness

≥550

Density

≥7.4

g/cm³

Curie Temperature TC

312 - 380

°C

Curie Temperature TF

593 - 716

°F

Specific resistance

150

μΩ⋅Cm

Bending strength

250

Mpa

Compressive strength

1000~1100

Mpa

Thermal expansion parallel (∥) to orientation (M)

(3-4) x 106

°C^-1

Thermal expansion perpendicular (⊥) to orientation (M)

-(1-3) x 10-6

°C^-1

Young's modulus

1.7 x 104

kg/mm²

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Flat neodymium magnets min. MPL 13x10x5 / N35H are magnets created from neodymium in a flat form. They are appreciated for their very strong magnetic properties, which are much stronger than standard iron magnets.
Thanks to their high strength, flat magnets are commonly applied in structures that require exceptional adhesion.
Typical temperature resistance of these magnets is 80°C, but with larger dimensions, this value grows.
In addition, flat magnets often have different coatings applied to their surfaces, such as nickel, gold, or chrome, for enhancing their strength.
The magnet named MPL 13x10x5 / N35H and a magnetic strength 3.38 kg with a weight of just 4.88 grams, making it the excellent choice for applications requiring a flat shape.

Neodymium flat magnets present a range of advantages versus other magnet shapes, which cause them being an ideal choice for various uses:
Contact surface: Thanks to their flat shape, flat magnets guarantee a larger contact surface with other components, which is beneficial in applications requiring a stronger magnetic connection.
Technology applications: These magnets are often used in various devices, e.g. sensors, stepper motors, or speakers, where the flat shape is crucial for their operation.
Mounting: Their flat shape makes mounting, particularly when it is required to attach the magnet to some surface.
Design flexibility: The flat shape of the magnets permits creators a lot of flexibility in placing them in structures, which can be more difficult with magnets of more complex shapes.
Stability: In certain applications, the flat base of the flat magnet can offer better stability, reducing the risk of shifting or rotating. However, it's important to note that the optimal shape of the magnet is dependent on the given use and requirements. In certain cases, other shapes, like cylindrical or spherical, may be more appropriate.

Attracted by magnets are objects made of ferromagnetic materials, such as iron, objects containing nickel, materials with cobalt and special alloys of ferromagnetic metals. Additionally, magnets may lesser affect some other metals, such as steel. It’s worth noting that magnets are utilized in various devices and technologies.

Magnets work thanks to the properties of their magnetic field, which arises from the ordered movement of electrons in their structure. The magnetic field of these objects creates attractive interactions, which affect objects made of cobalt or other ferromagnetic substances.

Magnets have two main poles: north (N) and south (S), which interact with each other when they are oppositely oriented. Poles of the same kind, e.g. two north poles, repel each other.
Due to these properties, magnets are often used in electrical devices, such as motors, speakers, sensors, or magnetic locks. Neodymium magnets stand out with the highest power of attraction, making them ideal for applications requiring strong magnetic fields. Additionally, the strength of a magnet depends on its size and the materials used.

Magnets do not attract plastic, glass, wood and most gemstones. Moreover, magnets do not affect certain metals, such as copper items, aluminum materials, gold. Although these metals conduct electricity, do not exhibit ferromagnetic properties, meaning that they do not respond to a standard magnetic field, unless they are subjected to an extremely strong magnetic field.
It’s worth noting that high temperatures can weaken the magnet's effect. The Curie temperature is specific to each type of magnet, meaning that once this temperature is exceeded, the magnet stops being magnetic. Interestingly, strong magnets can interfere with the operation of devices, such as compasses, magnetic stripe cards or medical equipment, like pacemakers. Therefore, it is important to avoid placing magnets near such devices.

A neodymium magnet with classification N50 and N52 is a strong and extremely powerful metallic component in the form of a plate, featuring high force and broad usability. Competitive price, fast shipping, stability and universal usability.

Advantages as well as disadvantages of neodymium magnets NdFeB.

In addition to their remarkable pulling force, neodymium magnets offer the following advantages:

They retain their full power for around ten years – the loss is just ~1% (according to analyses),
Their ability to resist magnetic interference from external fields is notable,
Because of the reflective layer of silver, the component looks visually appealing,
Magnetic induction on the surface of these magnets is notably high,
Thanks to their high temperature resistance, they can operate (depending on the shape) even at temperatures up to 230°C or more,
The ability for precise shaping as well as adjustment to specific needs – neodymium magnets can be manufactured in multiple variants of geometries, which enhances their versatility in applications,
Important function in advanced technical fields – they find application in computer drives, rotating machines, medical equipment along with sophisticated instruments,
Relatively small size with high magnetic force – neodymium magnets offer intense magnetic field in small dimensions, which makes them useful in compact constructions

Disadvantages of magnetic elements:

They may fracture when subjected to a heavy impact. If the magnets are exposed to external force, it is advisable to use in a protective enclosure. The steel housing, in the form of a holder, protects the magnet from breakage and additionally reinforces its overall strength,
High temperatures may significantly reduce the magnetic power of neodymium magnets. Typically, above 80°C, they experience permanent loss in performance (depending on shape). To prevent this, we offer heat-resistant magnets marked [AH], capable of working up to 230°C, which makes them perfect for high-temperature use,
They rust in a damp environment. If exposed to rain, we recommend using encapsulated magnets, such as those made of polymer,
Limited ability to create internal holes in the magnet – the use of a housing is recommended,
Safety concern linked to microscopic shards may arise, in case of ingestion, which is notable in the health of young users. Furthermore, small elements from these products have the potential to complicate medical imaging when ingested,
Due to the price of neodymium, their cost is above average,

Maximum magnetic pulling force – what contributes to it?

The given strength of the magnet corresponds to the optimal strength, calculated in the best circumstances, specifically:

with the use of low-carbon steel plate acting as a magnetic yoke
of a thickness of at least 10 mm
with a polished side
with no separation
in a perpendicular direction of force
at room temperature

Determinants of practical lifting force of a magnet

Practical lifting force is determined by factors, by priority:

Air gap between the magnet and the plate, since even a very small distance (e.g. 0.5 mm) can cause a drop in lifting force of up to 50%.
Direction of applied force, because the maximum lifting capacity is achieved under perpendicular application. The force required to slide the magnet along the plate is usually several times lower.
Thickness of the plate, as a plate that is too thin causes part of the magnetic flux not to be used and to remain wasted in the air.
Material of the plate, because higher carbon content lowers holding force, while higher iron content increases it. The best choice is steel with high magnetic permeability and high saturation induction.
Surface of the plate, because the more smooth and polished it is, the better the contact and consequently the greater the magnetic saturation.
Operating temperature, since all permanent magnets have a negative temperature coefficient. This means that at high temperatures they are weaker, while at sub-zero temperatures they become slightly stronger.

* Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a small distance {between} the magnet’s surface and the plate decreases the holding force.

Safety Precautions

Dust and powder from neodymium magnets are flammable.

Do not attempt to drill into neodymium magnets. Mechanical processing is also not recommended. If the magnet is crushed into fine powder or dust, it becomes highly flammable.

The magnet coating is made of nickel, so be cautious if you have an allergy.

Studies show a small percentage of people have allergies to certain metals, including nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, try wearing gloves or avoid direct contact with nickel-plated neodymium magnets.

Neodymium magnetic are delicate as well as can easily break as well as get damaged.

Neodymium magnets are characterized by considerable fragility. Neodymium magnets are made of metal and coated with a shiny nickel surface, but they are not as hard as steel. At the moment of connection between the magnets, small metal fragments can be dispersed in different directions.

Comparing neodymium magnets to ferrite magnets (found in speakers), they are 10 times more powerful, and their strength can shock you.

Read the information on our website on how to properly utilize neodymium magnets and avoid significant harm to your body and unintentional disruption to the magnets.

Do not place neodymium magnets near a computer HDD, TV, and wallet.

The strong magnetic field generated by neodymium magnets can destroy magnetic media such as floppy disks, video tapes, HDDs, credit cards, magnetic ID cards, cassette tapes, etc. devices. They can also destroy devices like video players, televisions, CRT computer monitors. Remember not to place neodymium magnets close to these electronic devices.

Neodymium Magnets can attract to each other due to their immense internal force, causing the skin and other body parts to get pinched and resulting in significant injuries.

Magnets will attract each other within a distance of several to about 10 cm from each other. Don't put your fingers in the path of magnet attraction, because a major injury may occur. Depending on how massive the neodymium magnets are, they can lead to a cut or alternatively a fracture.

People with pacemakers are advised to avoid neodymium magnets.

In the case of neodymium magnets, there is a strong magnetic field. As a result, it interferes with the operation of a heart pacemaker. However, if the magnetic field does not affect the device, it can damage its components or deactivate the device when it is in a magnetic field.

Keep neodymium magnets as far away as possible from GPS and smartphones.

Magnetic fields can interfere with compasses and magnetometers used in aviation and maritime navigation, as well as internal compasses of smartphones and GPS devices. There are neodymium magnets in every smartphone, for example, in the microphone and speakers.

Neodymium magnets should not be around youngest children.

Neodymium magnets are not toys. You cannot allow them to become toys for children. In such a situation, surgery is necessary to remove them. In the worst case scenario, it can result in death.

Neodymium magnets can become demagnetized at high temperatures.

Although magnets have demonstrated their effectiveness up to 80°C or 175°F, the temperature can vary depending on the type, shape, and intended use of the specific magnet.

Be careful!

So that know how strong neodymium magnets are and why they are so dangerous, see the article - Dangerous powerful neodymium magnets.