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MPL 15x10x2 / N38 - lamellar magnet

lamellar magnet

Catalog no 020388

GTIN/EAN: 5906301811879

5.00

length

15 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

2 mm [±0,1 mm]

Weight

2.25 g

Magnetization Direction

↑ axial

Load capacity

1.57 kg / 15.45 N

Magnetic Induction

180.53 mT / 1805 Gs

Coating

[NiCuNi] Nickel

1.316 with VAT / pcs + price for transport

1.070 ZŁ net + 23% VAT / pcs

bulk discounts:

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Strength as well as structure of neodymium magnets can be analyzed on our force calculator.

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Detailed specification - MPL 15x10x2 / N38 - lamellar magnet

Specification / characteristics - MPL 15x10x2 / N38 - lamellar magnet

properties
properties values
Cat. no. 020388
GTIN/EAN 5906301811879
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 15 mm [±0,1 mm]
Width 10 mm [±0,1 mm]
Height 2 mm [±0,1 mm]
Weight 2.25 g
Magnetization Direction ↑ axial
Load capacity ~ ? 1.57 kg / 15.45 N
Magnetic Induction ~ ? 180.53 mT / 1805 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 15x10x2 / 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 assembly - data

Presented values represent the direct effect of a physical simulation. Values were calculated on algorithms for the class Nd2Fe14B. Actual conditions might slightly differ from theoretical values. Treat these data as a reference point during assembly planning.

Table 1: Static force (pull vs gap) - interaction chart
MPL 15x10x2 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1805 Gs
180.5 mT
1.57 kg / 3.46 lbs
1570.0 g / 15.4 N
low risk
1 mm 1628 Gs
162.8 mT
1.28 kg / 2.82 lbs
1278.3 g / 12.5 N
low risk
2 mm 1394 Gs
139.4 mT
0.94 kg / 2.06 lbs
936.3 g / 9.2 N
low risk
3 mm 1152 Gs
115.2 mT
0.64 kg / 1.41 lbs
639.9 g / 6.3 N
low risk
5 mm 751 Gs
75.1 mT
0.27 kg / 0.60 lbs
271.5 g / 2.7 N
low risk
10 mm 262 Gs
26.2 mT
0.03 kg / 0.07 lbs
33.1 g / 0.3 N
low risk
15 mm 110 Gs
11.0 mT
0.01 kg / 0.01 lbs
5.8 g / 0.1 N
low risk
20 mm 54 Gs
5.4 mT
0.00 kg / 0.00 lbs
1.4 g / 0.0 N
low risk
30 mm 18 Gs
1.8 mT
0.00 kg / 0.00 lbs
0.2 g / 0.0 N
low risk
50 mm 4 Gs
0.4 mT
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
low risk

Table 2: Shear capacity (wall)
MPL 15x10x2 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.31 kg / 0.69 lbs
314.0 g / 3.1 N
1 mm Stal (~0.2) 0.26 kg / 0.56 lbs
256.0 g / 2.5 N
2 mm Stal (~0.2) 0.19 kg / 0.41 lbs
188.0 g / 1.8 N
3 mm Stal (~0.2) 0.13 kg / 0.28 lbs
128.0 g / 1.3 N
5 mm Stal (~0.2) 0.05 kg / 0.12 lbs
54.0 g / 0.5 N
10 mm Stal (~0.2) 0.01 kg / 0.01 lbs
6.0 g / 0.1 N
15 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 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

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MPL 15x10x2 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.47 kg / 1.04 lbs
471.0 g / 4.6 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.31 kg / 0.69 lbs
314.0 g / 3.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.16 kg / 0.35 lbs
157.0 g / 1.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.79 kg / 1.73 lbs
785.0 g / 7.7 N

Table 4: Material efficiency (saturation) - sheet metal selection
MPL 15x10x2 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.16 kg / 0.35 lbs
157.0 g / 1.5 N
1 mm
25%
0.39 kg / 0.87 lbs
392.5 g / 3.9 N
2 mm
50%
0.79 kg / 1.73 lbs
785.0 g / 7.7 N
3 mm
75%
1.18 kg / 2.60 lbs
1177.5 g / 11.6 N
5 mm
100%
1.57 kg / 3.46 lbs
1570.0 g / 15.4 N
10 mm
100%
1.57 kg / 3.46 lbs
1570.0 g / 15.4 N
11 mm
100%
1.57 kg / 3.46 lbs
1570.0 g / 15.4 N
12 mm
100%
1.57 kg / 3.46 lbs
1570.0 g / 15.4 N

Table 5: Thermal resistance (stability) - resistance threshold
MPL 15x10x2 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 1.57 kg / 3.46 lbs
1570.0 g / 15.4 N
OK
40 °C -2.2% 1.54 kg / 3.39 lbs
1535.5 g / 15.1 N
OK
60 °C -4.4% 1.50 kg / 3.31 lbs
1500.9 g / 14.7 N
80 °C -6.6% 1.47 kg / 3.23 lbs
1466.4 g / 14.4 N
100 °C -28.8% 1.12 kg / 2.46 lbs
1117.8 g / 11.0 N

Table 6: Two magnets (attraction) - field range
MPL 15x10x2 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 3.01 kg / 6.64 lbs
3 196 Gs
0.45 kg / 1.00 lbs
452 g / 4.4 N
N/A
1 mm 2.76 kg / 6.09 lbs
3 456 Gs
0.41 kg / 0.91 lbs
414 g / 4.1 N
2.49 kg / 5.48 lbs
~0 Gs
2 mm 2.45 kg / 5.41 lbs
3 257 Gs
0.37 kg / 0.81 lbs
368 g / 3.6 N
2.21 kg / 4.87 lbs
~0 Gs
3 mm 2.12 kg / 4.68 lbs
3 029 Gs
0.32 kg / 0.70 lbs
318 g / 3.1 N
1.91 kg / 4.21 lbs
~0 Gs
5 mm 1.49 kg / 3.30 lbs
2 543 Gs
0.22 kg / 0.49 lbs
224 g / 2.2 N
1.35 kg / 2.97 lbs
~0 Gs
10 mm 0.52 kg / 1.15 lbs
1 501 Gs
0.08 kg / 0.17 lbs
78 g / 0.8 N
0.47 kg / 1.03 lbs
~0 Gs
20 mm 0.06 kg / 0.14 lbs
524 Gs
0.01 kg / 0.02 lbs
10 g / 0.1 N
0.06 kg / 0.13 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
60 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
37 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
24 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
16 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
12 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
9 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs

Table 7: Hazards (implants) - warnings
MPL 15x10x2 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 5.0 cm
Hearing aid 10 Gs (1.0 mT) 4.0 cm
Timepiece 20 Gs (2.0 mT) 3.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 2.5 cm
Car key 50 Gs (5.0 mT) 2.5 cm
Payment card 400 Gs (40.0 mT) 1.0 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm

Table 8: Impact energy (kinetic energy) - collision effects
MPL 15x10x2 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 26.99 km/h
(7.50 m/s)
0.06 J
30 mm 46.15 km/h
(12.82 m/s)
0.18 J
50 mm 59.57 km/h
(16.55 m/s)
0.31 J
100 mm 84.24 km/h
(23.40 m/s)
0.62 J

Table 9: Anti-corrosion coating durability
MPL 15x10x2 / 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)

Table 10: Construction data (Pc)
MPL 15x10x2 / N38

Parameter Value SI Unit / Description
Magnetic Flux 3 194 Mx 31.9 µWb
Pc Coefficient 0.22 Low (Flat)

Table 11: Submerged application
MPL 15x10x2 / N38

Environment Effective steel pull Effect
Air (land) 1.57 kg Standard
Water (riverbed) 1.80 kg
(+0.23 kg buoyancy gain)
+14.5%
Rust risk: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Sliding resistance

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

2. Steel saturation

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

3. Heat tolerance

*For standard magnets, the max working temp is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.22

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. 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
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%
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: 020388-2026
Magnet Unit Converter
Force (pull)

Magnetic Field

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Model MPL 15x10x2 / N38 features a low profile and industrial pulling force, making it an ideal solution for building separators and machines. This rectangular block with a force of 15.45 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.
The key to success is sliding the magnets along their largest connection plane (using e.g., the edge of a table), which is easier than trying to tear them apart directly. To separate the MPL 15x10x2 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend care, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Never use metal tools for prying, as the brittle NdFeB material may chip and damage your eyes.
Plate magnets MPL 15x10x2 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. Thanks to the flat surface and high force (approx. 1.57 kg), they are ideal as closers in furniture making and mounting elements in automation. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
For mounting flat magnets MPL 15x10x2 / 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).
The magnetic axis runs through the shortest dimension, which is typical for gripper magnets. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.
The presented product is a neodymium magnet with precisely defined parameters: 15 mm (length), 10 mm (width), and 2 mm (thickness). The key parameter here is the lifting capacity amounting to approximately 1.57 kg (force ~15.45 N), which, with such a flat shape, proves the high grade of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Strengths and weaknesses of neodymium magnets.

Strengths

Apart from their superior magnetic energy, neodymium magnets have these key benefits:
  • Their magnetic field remains stable, and after approximately 10 years it decreases only by ~1% (according to research),
  • They show high resistance to demagnetization induced by external field influence,
  • Thanks to the elegant finish, the surface of nickel, gold-plated, or silver-plated gives an clean appearance,
  • Neodymium magnets achieve maximum magnetic induction on a small surface, which allows for strong attraction,
  • Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
  • Due to the potential of free forming and customization to unique solutions, NdFeB magnets can be modeled in a broad palette of forms and dimensions, which makes them more universal,
  • Significant place in modern industrial fields – they are commonly used in hard drives, electric drive systems, medical equipment, and multitasking production systems.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which allows their use in compact constructions

Disadvantages

Disadvantages of neodymium magnets:
  • At very strong impacts they can break, therefore we advise placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
  • Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
  • They rust in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • We suggest casing - magnetic holder, due to difficulties in producing threads inside the magnet and complicated shapes.
  • Possible danger to health – tiny shards of magnets pose a threat, in case of ingestion, which gains importance in the aspect of protecting the youngest. Furthermore, small components of these devices are able to disrupt the diagnostic process medical after entering the body.
  • High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which hinders application in large quantities

Pull force analysis

Breakaway strength of the magnet in ideal conditionswhat affects it?

The lifting capacity listed is a measurement result conducted under standard conditions:
  • using a sheet made of high-permeability steel, acting as a circuit closing element
  • with a cross-section of at least 10 mm
  • with a surface cleaned and smooth
  • without the slightest air gap between the magnet and steel
  • for force applied at a right angle (in the magnet axis)
  • in temp. approx. 20°C

Key elements affecting lifting force

Holding efficiency impacted by specific conditions, such as (from priority):
  • Distance (between the magnet and the metal), because even a tiny clearance (e.g. 0.5 mm) results in a decrease in lifting capacity by up to 50% (this also applies to varnish, rust or debris).
  • Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the maximum value.
  • Element thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
  • Metal type – different alloys reacts the same. High carbon content worsen the interaction with the magnet.
  • Smoothness – full contact is obtained only on polished steel. Rough texture reduce the real contact area, reducing force.
  • Thermal factor – high temperature weakens magnetic field. Exceeding the limit temperature can permanently damage the magnet.

Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under shearing force the holding force is lower. Moreover, even a slight gap between the magnet’s surface and the plate lowers the holding force.

Precautions when working with NdFeB magnets
Shattering risk

Neodymium magnets are ceramic materials, meaning they are very brittle. Collision of two magnets leads to them cracking into small pieces.

Do not underestimate power

Before use, read the rules. Uncontrolled attraction can break the magnet or injure your hand. Be predictive.

No play value

Strictly keep magnets away from children. Choking hazard is significant, and the consequences of magnets connecting inside the body are fatal.

Impact on smartphones

GPS units and mobile phones are extremely sensitive to magnetic fields. Close proximity with a powerful NdFeB magnet can permanently damage the internal compass in your phone.

Pinching danger

Big blocks can break fingers instantly. Never put your hand between two attracting surfaces.

Threat to electronics

Avoid bringing magnets near a wallet, computer, or screen. The magnetic field can destroy these devices and wipe information from cards.

Thermal limits

Keep cool. NdFeB magnets are susceptible to temperature. If you require operation above 80°C, ask us about HT versions (H, SH, UH).

Medical implants

Medical warning: Strong magnets can deactivate heart devices and defibrillators. Do not approach if you have electronic implants.

Flammability

Drilling and cutting of neodymium magnets carries a risk of fire hazard. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Allergic reactions

Some people have a hypersensitivity to nickel, which is the typical protective layer for neodymium magnets. Prolonged contact might lead to dermatitis. We suggest use protective gloves.

Caution! Details about risks in the article: Magnet Safety Guide.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98