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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

see specifications »

0.381 ZŁ with VAT / pcs + price for transport

0.310 ZŁ net + 23% VAT / pcs

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Weight and shape of a neodymium magnet can be checked with our online calculation tool.

Orders placed before 14:00 will be shipped the same business day.

Technical parameters of the product - 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 modeling of the assembly - report

The following data represent the direct effect of a physical analysis. Results were calculated on algorithms for the class Nd2Fe14B. Actual parameters might slightly deviate from the simulation results. Use these calculations as a preliminary roadmap when designing systems.

Table 1: Static force (pull vs distance) - 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 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
Grip strength weakens drastically with every mm of gap. Keep in mind that even a very thin break (e.g., contamination, varnish, rust) significantly weakens the grip. Magnets hold strongest in perfect adhesion; air break kills the power. Observe how flashily the parameters drop, when the product does not adhere tightly to the steel surface. When planning the arrangement, eliminate unnecessary gaps.

Table 2: Shear force (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 table below defines the estimated shear load necessary to start the sliding of the magnet down along a upright steel wall (assuming typical friction coefficient). This parameter is a function of the air gap between the magnet and the surface.

Table 3: Vertical assembly (sliding) - 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 holder on a vertical surface (e.g., a car body), it will only hold barely about 20%-30% of nominal attraction strength. Gravity and a low friction coefficient influence the fact that holders slide down easier than they pop off the substrate. Want to create a vertical fastening? Consider that the shear force is significantly lower than the maximum static pull force. On a smooth steel, the magnet will slide down under a significantly smaller cargo. Utilizing a rubberized coating can drastically increase the grip.

Table 4: Steel thickness (substrate influence) - 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 too thin steel is unable to focus the full magnetic flux, which wastes potential of the holder. If you install a neodymium to a thin surface, the magnetism will pass right through and the holding will be smaller. To utilize full efficiency of this neodymium's potential, you require a sufficiently solid backing of metal. The material oversaturation causes that on delicate walls (e.g., car bodies), the magnet holds weaker. 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
Classic neodymiums lose parameters after exceeding the maximum temperature. Watch out for overheating – high temperature can irreversibly destroy this product. With every degree above norm, the neodymium's capacity temporarily lowers. Avoid using this product close to heaters higher than its working range. Ignoring the limit will result in irreversible degradation of magnetic properties.
*Technical advisory: Thermal stability is determined by both grade, but also on the magnet's shape. Low-profile magnets (low Pc) may lose charge permanently at lower temperatures than long magnets. The danger warning in the table points to a risk of irreversible loss for this specific geometry.

Table 6: Two magnets (attraction) - 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 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 magnets interact from a significantly greater distance than a magnet and sheet setup. Such a system of two magnets produces a massive flux and a wider radius of operation. Want to build a strong closure? Apply two magnets instead of one magnet and a striker plate. Be careful that when bringing together two magnets, the collision energy is huge. The levitation is a bit weaker than the connection force, but still impressive.
*Field value in repulsion mode reaches ~0 Gs in the exact middle between the magnets (caused by magnetic field nullification).
Note: Results apply to sliding force of two same magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Hazards (implants) - 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
Timepiece 20 Gs (2.0 mT) 2.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 1.5 cm
Car key 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 real danger to electronic devices and medical implants. These neodymiums generate a field that disrupts operation of sensitive medical devices. Be aware: the invisible magnetic field penetrates the body and housings. Increased vigilance must be exercised by people with hearing aids and insulin pumps. Influence will be felt by: mechanical watches, remotes, membranes, and screens. Avoid contact with magnetic 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
Neodymium magnets are delicate – a collision with steel risks their cracking. Control the attraction moment – a magnet released freely speeds with massive force. Impact energy can cause material chips or dangerous crushing to fingers. Always hold the magnet during bringing near metal 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: Coating parameters (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)
The following table defines the conditions under which this product can be safely used. Note the thickness of the protective layer.

Table 10: Electrical 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)
Flux value passing through the pole surface. Essential parameter when building generators and motors. The Pc coefficient determines the working geometry.

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!
In water, the magnet feels stronger thanks to Archimedes' principle. Buoyancy helps in lifting finds.
1. Shear force

*Warning: On a vertical wall, the magnet retains only a fraction of its perpendicular strength.

2. Steel saturation

*Thin steel (e.g. computer case) significantly limits 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.

Engineering data and GPSR
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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Component MPL 10x5x1.5 / N38 features a low profile and industrial pulling force, making it an ideal 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. 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. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
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 hanging tools on strips and for advanced DIY and modeling projects, where precision and power count.
For mounting flat magnets MPL 10x5x1.5 / N38, we recommend utilizing two-component adhesives (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. 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. 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. The key parameter here is the holding force amounting to approximately 0.86 kg (force ~8.47 N), which, with such a flat shape, proves the high power of the material. The product meets the standards for N38 grade magnets.

Advantages as well as disadvantages of rare earth magnets.

Benefits

Besides their immense strength, neodymium magnets offer the following advantages:
  • They do not lose strength, even during approximately ten years – the reduction in lifting capacity is only ~1% (based on measurements),
  • They have excellent resistance to magnetic field loss due to external magnetic sources,
  • By covering with a reflective coating of nickel, the element acquires an professional look,
  • Neodymium magnets deliver maximum magnetic induction on a small area, which allows for strong attraction,
  • Through (appropriate) combination of ingredients, they can achieve high thermal resistance, allowing for operation at temperatures reaching 230°C and above...
  • Thanks to the possibility of precise shaping and adaptation to custom projects, magnetic components can be created in a variety of geometric configurations, which makes them more universal,
  • Wide application in high-tech industry – they are commonly used in mass storage devices, electromotive mechanisms, medical equipment, and complex engineering applications.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

Cons of neodymium magnets: tips and applications.
  • Susceptibility to cracking is one of their disadvantages. Upon strong impact they can break. We advise keeping them in a steel housing, which not only secures them against impacts but also raises their durability
  • When exposed to high temperature, neodymium magnets experience a drop in strength. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
  • We suggest casing - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complicated forms.
  • Potential hazard to health – tiny shards of magnets pose a threat, if swallowed, which gains importance in the context of child safety. Furthermore, tiny parts of these magnets are able to complicate diagnosis medical when they are in the body.
  • With large orders the cost of neodymium magnets can be a barrier,

Holding force characteristics

Maximum lifting force for a neodymium magnet – what it depends on?

Magnet power is the result of a measurement for ideal contact conditions, including:
  • on a plate made of mild steel, perfectly concentrating the magnetic field
  • with a cross-section of at least 10 mm
  • characterized by smoothness
  • under conditions of gap-free contact (metal-to-metal)
  • for force applied at a right angle (pull-off, not shear)
  • in temp. approx. 20°C

Key elements affecting lifting force

Real force is influenced by working environment parameters, such as (from most important):
  • Distance (betwixt the magnet and the plate), because even a tiny clearance (e.g. 0.5 mm) can cause a drastic drop in lifting capacity by up to 50% (this also applies to varnish, rust or dirt).
  • Load vector – maximum parameter is obtained only during pulling at a 90° angle. The shear force of the magnet along the plate is typically many times lower (approx. 1/5 of the lifting capacity).
  • Wall thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of generating force.
  • Steel grade – the best choice is pure iron steel. Stainless steels may generate lower lifting capacity.
  • Surface condition – ground elements ensure maximum contact, which improves force. Rough surfaces reduce efficiency.
  • Operating temperature – neodymium magnets have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity was measured using a polished steel plate of suitable thickness (min. 20 mm), under perpendicular pulling force, whereas under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.

H&S for magnets
Magnetic media

Powerful magnetic fields can corrupt files on credit cards, hard drives, and storage devices. Keep a distance of min. 10 cm.

Bone fractures

Large magnets can crush fingers in a fraction of a second. Do not place your hand between two strong magnets.

Thermal limits

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

Choking Hazard

Strictly store magnets out of reach of children. Ingestion danger is high, and the effects of magnets connecting inside the body are tragic.

Do not underestimate power

Before use, read the rules. Sudden snapping can break the magnet or hurt your hand. Be predictive.

Implant safety

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

Dust explosion hazard

Fire hazard: Neodymium dust is highly flammable. Avoid machining magnets without safety gear as this may cause fire.

Fragile material

Neodymium magnets are sintered ceramics, which means they are prone to chipping. Impact of two magnets leads to them breaking into small pieces.

Skin irritation risks

It is widely known that nickel (standard magnet coating) is a strong allergen. If your skin reacts to metals, refrain from direct skin contact and choose coated magnets.

Impact on smartphones

A powerful magnetic field disrupts the functioning of magnetometers in smartphones and GPS navigation. Maintain magnets near a smartphone to prevent damaging the sensors.

Caution! More info about risks in the article: Magnet Safety Guide.