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MPL 10x5x1.5 / N38 - lamellar magnet

lamellar magnet

Catalog no 020114

GTIN/EAN: 5906301811206

5.00

length

10 mm [±0,1 mm]

Width

5 mm [±0,1 mm]

Height

1.5 mm [±0,1 mm]

Weight

0.56 g

Magnetization Direction

↑ axial

Load capacity

0.86 kg / 8.47 N

Magnetic Induction

239.33 mT / 2393 Gs

Coating

[NiCuNi] Nickel

technical details »

0.381 ZŁ with VAT / pcs + price for transport

0.310 ZŁ net + 23% VAT / pcs

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Detailed specification - MPL 10x5x1.5 / N38 - lamellar magnet

Specification / characteristics - MPL 10x5x1.5 / N38 - lamellar magnet

properties
properties values
Cat. no. 020114
GTIN/EAN 5906301811206
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 10 mm [±0,1 mm]
Width 5 mm [±0,1 mm]
Height 1.5 mm [±0,1 mm]
Weight 0.56 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.86 kg / 8.47 N
Magnetic Induction ~ ? 239.33 mT / 2393 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 10x5x1.5 / N38 - lamellar magnet
properties values units
remenance Br [min. - max.] ? 12.2-12.6 kGs
remenance Br [min. - max.] ? 1220-1260 mT
coercivity bHc ? 10.8-11.5 kOe
coercivity bHc ? 860-915 kA/m
actual internal force iHc ≥ 12 kOe
actual internal force iHc ≥ 955 kA/m
energy density [min. - max.] ? 36-38 BH max MGOe
energy density [min. - max.] ? 287-303 BH max KJ/m
max. temperature ? ≤ 80 °C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C
properties values units
Vickers hardness ≥550 Hv
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 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²

Engineering simulation of the product - data

The following values are the outcome of a mathematical analysis. Values rely on models for the class Nd2Fe14B. Real-world parameters might slightly deviate from the simulation results. Use these data as a preliminary roadmap for designers.

Table 1: Static pull force (pull vs gap) - characteristics
MPL 10x5x1.5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 2392 Gs
239.2 mT
 0.86 kg / 1.90 pounds
860.0 g / 8.4 N
 weak grip
1 mm 1814 Gs
181.4 mT
 0.49 kg / 1.09 pounds
494.9 g / 4.9 N
 weak grip
2 mm 1242 Gs
124.2 mT
 0.23 kg / 0.51 pounds
232.1 g / 2.3 N
 weak grip
3 mm 836 Gs
83.6 mT
 0.11 kg / 0.23 pounds
105.1 g / 1.0 N
 weak grip
5 mm 399 Gs
39.9 mT
 0.02 kg / 0.05 pounds
23.9 g / 0.2 N
 weak grip
10 mm 94 Gs
9.4 mT
 0.00 kg / 0.00 pounds
1.3 g / 0.0 N
 weak grip
15 mm 34 Gs
3.4 mT
 0.00 kg / 0.00 pounds
0.2 g / 0.0 N
 weak grip
20 mm 15 Gs
1.5 mT
 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
 weak grip
30 mm 5 Gs
0.5 mT
 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
 weak grip
50 mm 1 Gs
0.1 mT
 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
 weak grip
Pulling power drops drastically with every mm of gap. Remember that every additional insulation layer (e.g., dirt, paint, veneer) strongly diminishes the holding power. Neodymiums work strongest in perfect adhesion; gap weakens the force. See how flashily the pull force plummet, when the product does not adhere directly to the steel surface. When designing the assembly, avoid additional spacers.

Table 2: Sliding load (vertical surface)
MPL 10x5x1.5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.17 kg / 0.38 pounds
172.0 g / 1.7 N
1 mm Stal (~0.2) 0.10 kg / 0.22 pounds
98.0 g / 1.0 N
2 mm Stal (~0.2) 0.05 kg / 0.10 pounds
46.0 g / 0.5 N
3 mm Stal (~0.2) 0.02 kg / 0.05 pounds
22.0 g / 0.2 N
5 mm Stal (~0.2) 0.00 kg / 0.01 pounds
4.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
The table below defines the estimated weight limit needed to initiate the sliding of the magnet downwards against a upright steel wall (assuming typical friction). The holding force is a function of the distance between the magnet and the surface.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MPL 10x5x1.5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.26 kg / 0.57 pounds
258.0 g / 2.5 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.17 kg / 0.38 pounds
172.0 g / 1.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.09 kg / 0.19 pounds
86.0 g / 0.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.43 kg / 0.95 pounds
430.0 g / 4.2 N
When hanging a magnet on a upright wall (e.g., a car body), it you can count on just about 20%-30% of nominal attraction strength. Gravity and a weak degree of grip cause that products slide down easier than they pop off the substrate. Designing a wall mount? Consider that the shear force is much weaker than the perpendicular breakaway force. On a slippery surface, the element will slip down under a much lighter cargo. Using a rubber layer can effectively improve the result.

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 10x5x1.5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.09 kg / 0.19 pounds
86.0 g / 0.8 N
1 mm
25%
 0.22 kg / 0.47 pounds
215.0 g / 2.1 N
2 mm
50%
 0.43 kg / 0.95 pounds
430.0 g / 4.2 N
3 mm
75%
 0.65 kg / 1.42 pounds
645.0 g / 6.3 N
5 mm
100%
 0.86 kg / 1.90 pounds
860.0 g / 8.4 N
10 mm
100%
 0.86 kg / 1.90 pounds
860.0 g / 8.4 N
11 mm
100%
 0.86 kg / 1.90 pounds
860.0 g / 8.4 N
12 mm
100%
 0.86 kg / 1.90 pounds
860.0 g / 8.4 N
A thin metal plate is unable to absorb the full magnetic flux, which squanders power of the holder. If you mount a strong magnet to a thin surface, the flux will pass right through and the attraction force will be weaker. To achieve 100% of this neodymium's potential, you require a sufficiently solid element of steel. The material oversaturation means that on delicate walls (e.g., car bodies), the magnet shows lower pull force. We recommend selecting the steel cross-section according to the table below.

Table 5: Thermal stability (material behavior) - power drop
MPL 10x5x1.5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.86 kg / 1.90 pounds
860.0 g / 8.4 N
 OK
40 °C -2.2% 0.84 kg / 1.85 pounds
841.1 g / 8.3 N
 OK
60 °C -4.4% 0.82 kg / 1.81 pounds
822.2 g / 8.1 N
80 °C -6.6% 0.80 kg / 1.77 pounds
803.2 g / 7.9 N
100 °C -28.8% 0.61 kg / 1.35 pounds
612.3 g / 6.0 N
Ordinary NdFeB products lose parameters above the temperature limit. Protect against heat – heat can permanently demagnetize this product. As the temperature rises, the magnet's power temporarily drops. Do not use this product near heat sources higher than its working range. Exceeding the critical threshold will cause permanent loss of magnetism.
*Engineering note: Temperature resistance is determined by both grade, and the Permeance Coefficient Pc. Flat magnets (low Pc) are more susceptible to demagnetization sooner compared to rod magnets. Warning indicator in the table indicates a risk of irreversible loss for this particular item.

Table 6: Two magnets (repulsion) - field collision
MPL 10x5x1.5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 1.76 kg / 3.89 pounds
3 896 Gs
0.26 kg / 0.58 pounds
264 g / 2.6 N
 N/A
1 mm 1.39 kg / 3.07 pounds
4 254 Gs
0.21 kg / 0.46 pounds
209 g / 2.1 N
 1.26 kg / 2.77 pounds
~0 Gs
2 mm 1.01 kg / 2.24 pounds
3 628 Gs
0.15 kg / 0.34 pounds
152 g / 1.5 N
 0.91 kg / 2.01 pounds
~0 Gs
3 mm 0.70 kg / 1.55 pounds
3 020 Gs
0.11 kg / 0.23 pounds
105 g / 1.0 N
 0.63 kg / 1.39 pounds
~0 Gs
5 mm 0.32 kg / 0.70 pounds
2 037 Gs
0.05 kg / 0.11 pounds
48 g / 0.5 N
 0.29 kg / 0.63 pounds
~0 Gs
10 mm 0.05 kg / 0.11 pounds
798 Gs
0.01 kg / 0.02 pounds
7 g / 0.1 N
 0.04 kg / 0.10 pounds
~0 Gs
20 mm 0.00 kg / 0.01 pounds
188 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
50 mm 0.00 kg / 0.00 pounds
17 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
60 mm 0.00 kg / 0.00 pounds
10 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
70 mm 0.00 kg / 0.00 pounds
6 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
80 mm 0.00 kg / 0.00 pounds
4 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
90 mm 0.00 kg / 0.00 pounds
3 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
100 mm 0.00 kg / 0.00 pounds
2 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
Two strong neodymiums attract each other from a wider radius than a magnet and sheet setup. The setup of magnet-to-magnet produces a massive flux and a further horizon of performance. Designing a solid fastener? Utilize two neodymiums instead of one magnet and a striker plate. Remember that when bringing together two magnets, the collision energy is extreme. The repulsion force is a bit weaker than the attraction, but still significant.
*Field value for N-N configuration drops to ~0 Gs at the midpoint of the gap (due to field cancellation).
Attention: Estimates apply to friction force of a pair of matching neodymium magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Hazards (implants) - precautionary measures
MPL 10x5x1.5 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 3.0 cm
Hearing aid 10 Gs (1.0 mT) 2.5 cm
Mechanical watch 20 Gs (2.0 mT) 2.0 cm
Mobile device 40 Gs (4.0 mT) 1.5 cm
Remote 50 Gs (5.0 mT) 1.5 cm
Payment card 400 Gs (40.0 mT) 0.5 cm
HDD hard drive 600 Gs (60.0 mT) 0.5 cm
Extremely neodym field is a serious hazard to IT equipment and pacemakers. These neodymiums produce a flux that destroys function of digital equipment. Notice: the invisible magnetic field acts through matter and housings. Special caution must be exercised by people with hearing aids and insulin pumps. Influence will be felt by: automatic timepieces, car keys, membranes, and screens. Do not place the magnet near cards, hard drives, or sensitive navigation tools.

Table 8: Dynamics (kinetic energy) - collision effects
MPL 10x5x1.5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 39.56 km/h
(10.99 m/s)
 0.03 J
30 mm 68.45 km/h
(19.02 m/s)
 0.10 J
50 mm 88.37 km/h
(24.55 m/s)
 0.17 J
100 mm 124.98 km/h
(34.72 m/s)
 0.34 J
NdFeB products are prone to chipping – a strong collision with metal risks their cracking. Pay attention to connection velocity – a magnet released freely becomes dangerous. Kinetic force can destroy the magnet or injury to skin. Be sure to control the product during mounting so it doesn't slam with momentum against the metal. A collision at high speed means shattering of the magnet. Use safety goggles when playing with large magnets.

Table 9: Surface protection spec
MPL 10x5x1.5 / N38

Technical parameter Value / Description
Coating type [NiCuNi] Nickel
Layer structure Nickel - Copper - Nickel
Layer thickness 10-20 µm
Salt spray test (SST) ? 24 h
Recommended environment Indoors only (dry)
The following table defines the conditions under which this product can be safely used. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Construction data (Flux)
MPL 10x5x1.5 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 281 Mx 12.8 µWb
Pc Coefficient 0.27 Low (Flat)
Flux value emitted by the pole surface. Key data for generator designers and motors. The Pc coefficient determines the working geometry.

Table 11: Submerged application
MPL 10x5x1.5 / N38

Environment Effective steel pull Effect
Air (land) 0.86 kg Standard
Water (riverbed) 0.98 kg
(+0.12 kg buoyancy gain)
+14.5%
Warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
The magnetic field penetrates through water without any losses. However, remember the water resistance when pulling the rope quickly.
1. Sliding resistance

*Caution: On a vertical wall, the magnet holds merely approx. 20-30% of its perpendicular strength.

2. Steel thickness impact

*Thin steel (e.g. 0.5mm PC case) drastically reduces the holding force.

3. Thermal stability

*For standard magnets, the safety limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.27

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The Pc (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher Pc value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Technical and environmental data
Material specification
iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%
Environmental data
recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 020114-2026
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This product is a very powerful plate magnet made of NdFeB material, which, with dimensions of 10x5x1.5 mm and a weight of 0.56 g, guarantees the highest quality connection. This rectangular block with a force of 8.47 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, its Ni-Cu-Ni coating protects it against corrosion in standard operating conditions, giving it an aesthetic appearance.
Separating block magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. Watch your fingers! Magnets with a force of 0.86 kg can pinch very hard and cause hematomas. Never use metal tools for prying, as the brittle NdFeB material may chip and damage your eyes.
They constitute a key element in the production of wind generators and material handling systems. Thanks to the flat surface and high force (approx. 0.86 kg), they are ideal as closers in furniture making and mounting elements in automation. Customers often choose this model for workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.
Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. Remember to clean and degrease the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.
Standardly, the MPL 10x5x1.5 / N38 model is magnetized through the thickness (dimension 1.5 mm), which means that the N and S poles are located on its largest, flat surfaces. In practice, this means that this magnet has the greatest attraction force on its main planes (10x5 mm), which is ideal for flat mounting. This is the most popular configuration for block magnets used in separators and holders.
This model is characterized by dimensions 10x5x1.5 mm, which, at a weight of 0.56 g, makes it an element with impressive energy density. It is a magnetic block with dimensions 10x5x1.5 mm and a self-weight of 0.56 g, ready to work at temperatures up to 80°C. The protective [NiCuNi] coating secures the magnet against corrosion.

Strengths and weaknesses of rare earth magnets.

Benefits

In addition to their pulling strength, neodymium magnets provide the following advantages:
  • They virtually do not lose strength, because even after ten years the performance loss is only ~1% (according to literature),
  • Magnets very well protect themselves against demagnetization caused by external fields,
  • In other words, due to the metallic finish of silver, the element gains a professional look,
  • Neodymium magnets achieve maximum magnetic induction on a small surface, which ensures high operational effectiveness,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
  • Possibility of custom shaping and optimizing to specific conditions,
  • Key role in future technologies – they are used in computer drives, electric drive systems, advanced medical instruments, as well as complex engineering applications.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Weaknesses

Disadvantages of NdFeB magnets:
  • To avoid cracks upon strong impacts, we recommend using special steel holders. Such a solution secures the magnet and simultaneously improves its durability.
  • When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • Limited ability of producing threads in the magnet and complex forms - preferred is cover - magnetic holder.
  • Potential hazard related to microscopic parts of magnets pose a threat, in case of ingestion, which is particularly important in the aspect of protecting the youngest. Additionally, tiny parts of these magnets are able to complicate diagnosis medical in case of swallowing.
  • With mass production the cost of neodymium magnets is a challenge,

Pull force analysis

Maximum holding power of the magnet – what affects it?

Breakaway force was defined for optimal configuration, assuming:
  • on a base made of mild steel, optimally conducting the magnetic field
  • whose transverse dimension is min. 10 mm
  • with a surface cleaned and smooth
  • with total lack of distance (no paint)
  • for force acting at a right angle (pull-off, not shear)
  • at ambient temperature approx. 20 degrees Celsius

Key elements affecting lifting force

Effective lifting capacity is affected by working environment parameters, such as (from most important):
  • Clearance – the presence of any layer (rust, tape, air) acts as an insulator, which reduces power rapidly (even by 50% at 0.5 mm).
  • Angle of force application – maximum parameter is obtained only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is standardly many times smaller (approx. 1/5 of the lifting capacity).
  • Steel thickness – too thin sheet does not accept the full field, causing part of the power to be escaped into the air.
  • Plate material – low-carbon steel attracts best. Higher carbon content lower magnetic permeability and holding force.
  • Surface condition – smooth surfaces ensure maximum contact, which improves force. Rough surfaces weaken the grip.
  • Thermal conditions – neodymium magnets have a negative temperature coefficient. When it is hot they are weaker, and in frost they can be stronger (up to a certain limit).

Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, however under parallel forces the lifting capacity is smaller. In addition, even a small distance between the magnet and the plate reduces the load capacity.

H&S for magnets
Danger to the youngest

Strictly keep magnets out of reach of children. Choking hazard is significant, and the effects of magnets clamping inside the body are life-threatening.

Handling guide

Use magnets consciously. Their huge power can shock even professionals. Plan your moves and respect their force.

GPS and phone interference

Note: neodymium magnets generate a field that confuses sensitive sensors. Keep a separation from your mobile, tablet, and navigation systems.

Data carriers

Avoid bringing magnets near a purse, laptop, or screen. The magnetic field can destroy these devices and erase data from cards.

Allergic reactions

A percentage of the population have a contact allergy to nickel, which is the standard coating for NdFeB magnets. Frequent touching might lead to skin redness. We strongly advise wear protective gloves.

Dust is flammable

Dust created during machining of magnets is self-igniting. Avoid drilling into magnets unless you are an expert.

Material brittleness

Despite metallic appearance, the material is delicate and not impact-resistant. Avoid impacts, as the magnet may crumble into hazardous fragments.

Do not overheat magnets

Keep cool. NdFeB magnets are sensitive to heat. If you require operation above 80°C, inquire about HT versions (H, SH, UH).

ICD Warning

Individuals with a heart stimulator must keep an large gap from magnets. The magnetism can stop the functioning of the life-saving device.

Bodily injuries

Big blocks can crush fingers instantly. Under no circumstances place your hand betwixt two strong magnets.

Attention! Learn more about risks in the article: Safety of working with magnets.