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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

view properties »

0.381 ZŁ with VAT / pcs + price for transport

0.310 ZŁ net + 23% VAT / pcs

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Engineering report for this magnet

Full PDF analysis: pull and shear force, effect of distance, temperature and plate thickness, safety distances and the demagnetization curve.

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Technical - 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

Technical analysis of the product - data

Presented information constitute the direct effect of a engineering calculation. Results are based on algorithms for the class Nd2Fe14B. Real-world parameters might slightly deviate from the simulation results. Please consider these calculations as a preliminary roadmap for designers.

Table 1: Static force (pull vs gap) - interaction chart
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 LBS
860.0 g / 8.4 N
 low risk
1 mm 1814 Gs
181.4 mT
 0.49 kg / 1.09 LBS
494.9 g / 4.9 N
 low risk
2 mm 1242 Gs
124.2 mT
 0.23 kg / 0.51 LBS
232.1 g / 2.3 N
 low risk
3 mm 836 Gs
83.6 mT
 0.11 kg / 0.23 LBS
105.1 g / 1.0 N
 low risk
5 mm 399 Gs
39.9 mT
 0.02 kg / 0.05 LBS
23.9 g / 0.2 N
 low risk
10 mm 94 Gs
9.4 mT
 0.00 kg / 0.00 LBS
1.3 g / 0.0 N
 low risk
15 mm 34 Gs
3.4 mT
 0.00 kg / 0.00 LBS
0.2 g / 0.0 N
 low risk
20 mm 15 Gs
1.5 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 low risk
30 mm 5 Gs
0.5 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 low risk
50 mm 1 Gs
0.1 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 low risk
Pulling power decreases drastically per each millimeter of gap. Note that even a microscopic distance (e.g., dirt, paint, veneer) noticeably weakens the grip. Magnets hold optimally during direct contact; air break nullifies the power. Analyze how quickly the load capacity drop, when the product does not adhere flatly to the metal substrate. When planning the assembly, avoid unnecessary gaps.

Table 2: Slippage capacity (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 LBS
172.0 g / 1.7 N
1 mm Stal (~0.2) 0.10 kg / 0.22 LBS
98.0 g / 1.0 N
2 mm Stal (~0.2) 0.05 kg / 0.10 LBS
46.0 g / 0.5 N
3 mm Stal (~0.2) 0.02 kg / 0.05 LBS
22.0 g / 0.2 N
5 mm Stal (~0.2) 0.00 kg / 0.01 LBS
4.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
The following data defines the theoretical weight limit required to initiate the slippage of the magnet down along a upright steel wall (considering typical friction). The holding force depends on the separation distance between the magnet and the metal.

Table 3: Vertical assembly (shearing) - vertical pull
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 LBS
258.0 g / 2.5 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.17 kg / 0.38 LBS
172.0 g / 1.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.09 kg / 0.19 LBS
86.0 g / 0.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.43 kg / 0.95 LBS
430.0 g / 4.2 N
When placing a element on a vertical surface (e.g., a fridge), it you can count on only about 1/5 of its maximum pull force. Gravitational force and a low friction coefficient cause that magnets slip easier than they pull off. Designing a hanger? Note that the shear force is significantly lower than the perpendicular breakaway force. On a painted metal, the holder will slip down under a noticeably lighter weight. Utilizing a rubberized layer can effectively increase the grip.

Table 4: Steel thickness (saturation) - power losses
MPL 10x5x1.5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.09 kg / 0.19 LBS
86.0 g / 0.8 N
1 mm
25%
 0.22 kg / 0.47 LBS
215.0 g / 2.1 N
2 mm
50%
 0.43 kg / 0.95 LBS
430.0 g / 4.2 N
3 mm
75%
 0.65 kg / 1.42 LBS
645.0 g / 6.3 N
5 mm
100%
 0.86 kg / 1.90 LBS
860.0 g / 8.4 N
10 mm
100%
 0.86 kg / 1.90 LBS
860.0 g / 8.4 N
11 mm
100%
 0.86 kg / 1.90 LBS
860.0 g / 8.4 N
12 mm
100%
 0.86 kg / 1.90 LBS
860.0 g / 8.4 N
A thin metal plate cannot take in the entire magnetic field, which weakens actual performance of the holder. If you mount a strong magnet to a too thin substrate, the field will penetrate right through and the attraction force will be weaker. To achieve 100% of this magnet's power, you require a sufficiently solid piece of steel. The saturation phenomenon means that on delicate walls (e.g., thin profiles), the holder shows lower pull force. We advise picking the steel dimension based on the following data.

Table 5: Thermal resistance (stability) - thermal limit
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 LBS
860.0 g / 8.4 N
 OK
40 °C -2.2% 0.84 kg / 1.85 LBS
841.1 g / 8.3 N
 OK
60 °C -4.4% 0.82 kg / 1.81 LBS
822.2 g / 8.1 N
80 °C -6.6% 0.80 kg / 1.77 LBS
803.2 g / 7.9 N
100 °C -28.8% 0.61 kg / 1.35 LBS
612.3 g / 6.0 N
Ordinary NdFeB products lose strength after exceeding the maximum temperature. Protect against heat – heat can permanently damage this product. As the temperature rises, the neodymium's capacity temporarily drops. Refrain from using this product near heat sources higher than its working range. Too high temperature will lead to destruction of magnetic properties.
*Technical advisory: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Low-profile magnets (pancake types) risk losing magnetic properties at lower temperatures than taller cylinders. Red status in the table signals 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 Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 1.76 kg / 3.89 LBS
3 896 Gs
0.26 kg / 0.58 LBS
264 g / 2.6 N
 N/A
1 mm 1.39 kg / 3.07 LBS
4 254 Gs
0.21 kg / 0.46 LBS
209 g / 2.1 N
 1.26 kg / 2.77 LBS
~0 Gs
2 mm 1.01 kg / 2.24 LBS
3 628 Gs
0.15 kg / 0.34 LBS
152 g / 1.5 N
 0.91 kg / 2.01 LBS
~0 Gs
3 mm 0.70 kg / 1.55 LBS
3 020 Gs
0.11 kg / 0.23 LBS
105 g / 1.0 N
 0.63 kg / 1.39 LBS
~0 Gs
5 mm 0.32 kg / 0.70 LBS
2 037 Gs
0.05 kg / 0.11 LBS
48 g / 0.5 N
 0.29 kg / 0.63 LBS
~0 Gs
10 mm 0.05 kg / 0.11 LBS
798 Gs
0.01 kg / 0.02 LBS
7 g / 0.1 N
 0.04 kg / 0.10 LBS
~0 Gs
20 mm 0.00 kg / 0.01 LBS
188 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
50 mm 0.00 kg / 0.00 LBS
17 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
60 mm 0.00 kg / 0.00 LBS
10 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
70 mm 0.00 kg / 0.00 LBS
6 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
80 mm 0.00 kg / 0.00 LBS
4 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
90 mm 0.00 kg / 0.00 LBS
3 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
100 mm 0.00 kg / 0.00 LBS
2 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
Two magnetic products attract each other from a significantly greater distance than a magnet and steel setup. Such a system of two magnets creates a more powerful interaction and a larger range of operation. Want to build a strong closure? Use a pair of magnets instead of a neodymium and a striker plate. Remember that when connecting a pair of magnets, the impact force is extreme. The repulsion force is slightly lower than the connection force, but still large.
*The magnetic induction for N-N configuration is approximately ~0 Gs at the midpoint of the gap (due to field cancellation).
Important: Calculations refer to shear force of two matching magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Safety (HSE) (electronics) - warnings
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 poses a real danger to electronics and medical implants. These magnets generate a field that destroys function of digital equipment. Remember: the invisible magnetic field penetrates the body and glass. Special caution must be exercised by people with hearing aids and drug dispensers. Also at risk are: automatic timepieces, car keys, membranes, and screens. Do not place the magnet near cards, HDD media, or sensitive navigation tools.

Table 8: Dynamics (cracking risk) - warning
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
Magnetic elements are very brittle – a strong collision with metal can result in shattering. Watch the impact speed – a neodymium left loose becomes dangerous. Impact energy can destroy the magnet or injury to fingers. Always hold the magnet during installation so it doesn't hit with great force against the steel surface. A collision at high speed almost guarantees destruction of the neodymium. Use safety goggles when playing with large magnets.

Table 9: Anti-corrosion coating durability
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)
Neodymium magnets are highly susceptible to corrosion without proper protection. Note the thickness of the protective layer.

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

Parameter Value SI Unit / Description
Magnetic Flux 1 281 Mx 12.8 µWb
Pc Coefficient 0.27 Low (Flat)
Total magnetic flux passing through the magnet pole. Essential parameter in coil applications and motors. Pc value determines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
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: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!
Contrary to myths, water does not block the magnetic field. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.
1. Shear force

*Note: On a vertical surface, the magnet retains merely approx. 20-30% of its perpendicular strength.

2. Efficiency vs thickness

*Thin metal sheet (e.g. 0.5mm PC case) significantly weakens the holding force.

3. Temperature resistance

*For N38 grade, 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 specification and ecology
Chemical composition
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%
Ecology and recycling (GPSR)
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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Component MPL 10x5x1.5 / N38 features a low profile and industrial pulling force, making it a perfect solution for building separators and machines. As a magnetic bar with high power (approx. 0.86 kg), this product is available immediately from our warehouse in Poland. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.
Separating strong flat 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. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
Plate magnets MPL 10x5x1.5 / N38 are the foundation for many industrial devices, such as filters catching filings and linear motors. They work great as invisible mounts under tiles, wood, or glass. Customers often choose this model for hanging tools 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. Double-sided tape cushions vibrations, which is an advantage when mounting in moving elements. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).
Standardly, the MPL 10x5x1.5 / N38 model is magnetized axially (dimension 1.5 mm), which means that the N and S poles are located on its largest, flat surfaces. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. 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. The key parameter here is the lifting capacity amounting to approximately 0.86 kg (force ~8.47 N), which, with such a compact shape, proves the high power of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Advantages and disadvantages of neodymium magnets.

Benefits

Besides their magnetic performance, neodymium magnets are valued for these benefits:
  • Their power remains stable, and after approximately 10 years it drops only by ~1% (theoretically),
  • They possess excellent resistance to magnetism drop as a result of opposing magnetic fields,
  • Thanks to the metallic finish, the surface of nickel, gold-plated, or silver gives an aesthetic appearance,
  • The surface of neodymium magnets generates a unique magnetic field – this is one of their assets,
  • Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
  • Thanks to the possibility of accurate shaping and customization to unique solutions, neodymium magnets can be modeled in a broad palette of forms and dimensions, which expands the range of possible applications,
  • Versatile presence in modern technologies – they find application in magnetic memories, electric drive systems, precision medical tools, and technologically advanced constructions.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which allows their use in compact constructions

Disadvantages

Cons of neodymium magnets: tips and applications.
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
  • We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
  • They oxidize in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • We recommend a housing - magnetic mount, due to difficulties in creating threads inside the magnet and complicated shapes.
  • Potential hazard to health – tiny shards of magnets pose a threat, if swallowed, which becomes key in the context of child safety. Additionally, small elements of these devices can complicate diagnosis medical in case of swallowing.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Maximum lifting capacity of the magnet – what affects it?

Holding force of 0.86 kg is a theoretical maximum value performed under specific, ideal conditions:
  • with the contact of a yoke made of low-carbon steel, guaranteeing full magnetic saturation
  • with a thickness of at least 10 mm
  • characterized by even structure
  • with total lack of distance (without coatings)
  • for force acting at a right angle (in the magnet axis)
  • at ambient temperature approx. 20 degrees Celsius

Impact of factors on magnetic holding capacity in practice

Please note that the application force may be lower subject to the following factors, starting with the most relevant:
  • Space between surfaces – every millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the pulling force, often by half at just 0.5 mm.
  • Direction of force – highest force is reached only during perpendicular pulling. The force required to slide of the magnet along the surface is typically many times smaller (approx. 1/5 of the lifting capacity).
  • Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field penetrates through instead of generating force.
  • Material type – ideal substrate is high-permeability steel. Stainless steels may generate lower lifting capacity.
  • Smoothness – full contact is obtained only on polished steel. Rough texture create air cushions, weakening the magnet.
  • Thermal environment – heating the magnet results in weakening of force. It is worth remembering the maximum operating temperature for a given model.

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, however under parallel forces the holding force is lower. In addition, even a slight gap between the magnet and the plate reduces the lifting capacity.

Precautions when working with neodymium magnets
Powerful field

Be careful. Neodymium magnets act from a distance and connect with massive power, often faster than you can move away.

Shattering risk

Despite metallic appearance, the material is brittle and not impact-resistant. Do not hit, as the magnet may crumble into hazardous fragments.

Thermal limits

Standard neodymium magnets (grade N) undergo demagnetization when the temperature exceeds 80°C. The loss of strength is permanent.

Magnetic interference

Note: rare earth magnets generate a field that confuses precision electronics. Maintain a separation from your phone, device, and navigation systems.

Magnetic media

Device Safety: Neodymium magnets can ruin payment cards and delicate electronics (heart implants, medical aids, timepieces).

Danger to the youngest

Strictly store magnets out of reach of children. Risk of swallowing is significant, and the consequences of magnets connecting inside the body are very dangerous.

Pinching danger

Large magnets can break fingers instantly. Under no circumstances place your hand between two strong magnets.

Metal Allergy

Studies show that the nickel plating (standard magnet coating) is a common allergen. If your skin reacts to metals, prevent touching magnets with bare hands and opt for encased magnets.

Life threat

Health Alert: Neodymium magnets can turn off heart devices and defibrillators. Do not approach if you have electronic implants.

Flammability

Powder created during machining of magnets is self-igniting. Do not drill into magnets unless you are an expert.

Safety First! Need more info? Read our article: Why are neodymium magnets dangerous?