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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

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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 modeling of the magnet - data

The following data constitute the direct effect of a physical analysis. Values were calculated on algorithms for the material Nd2Fe14B. Operational conditions might slightly differ from theoretical values. Treat these data as a supplementary guide during assembly planning.

Table 1: Static force (pull vs distance) - 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 pounds
1570.0 g / 15.4 N
low risk
1 mm 1628 Gs
162.8 mT
1.28 kg / 2.82 pounds
1278.3 g / 12.5 N
low risk
2 mm 1394 Gs
139.4 mT
0.94 kg / 2.06 pounds
936.3 g / 9.2 N
low risk
3 mm 1152 Gs
115.2 mT
0.64 kg / 1.41 pounds
639.9 g / 6.3 N
low risk
5 mm 751 Gs
75.1 mT
0.27 kg / 0.60 pounds
271.5 g / 2.7 N
low risk
10 mm 262 Gs
26.2 mT
0.03 kg / 0.07 pounds
33.1 g / 0.3 N
low risk
15 mm 110 Gs
11.0 mT
0.01 kg / 0.01 pounds
5.8 g / 0.1 N
low risk
20 mm 54 Gs
5.4 mT
0.00 kg / 0.00 pounds
1.4 g / 0.0 N
low risk
30 mm 18 Gs
1.8 mT
0.00 kg / 0.00 pounds
0.2 g / 0.0 N
low risk
50 mm 4 Gs
0.4 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk

Table 2: Slippage load (wall)
MPL 15x10x2 / N38

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

Table 3: Vertical assembly (shearing) - 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 pounds
471.0 g / 4.6 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.31 kg / 0.69 pounds
314.0 g / 3.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.16 kg / 0.35 pounds
157.0 g / 1.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.79 kg / 1.73 pounds
785.0 g / 7.7 N

Table 4: Material efficiency (substrate influence) - power losses
MPL 15x10x2 / N38

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

Table 5: Thermal resistance (material behavior) - power drop
MPL 15x10x2 / N38

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

Table 6: Two magnets (attraction) - forces in the system
MPL 15x10x2 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 3.01 kg / 6.64 pounds
3 196 Gs
0.45 kg / 1.00 pounds
452 g / 4.4 N
N/A
1 mm 2.76 kg / 6.09 pounds
3 456 Gs
0.41 kg / 0.91 pounds
414 g / 4.1 N
2.49 kg / 5.48 pounds
~0 Gs
2 mm 2.45 kg / 5.41 pounds
3 257 Gs
0.37 kg / 0.81 pounds
368 g / 3.6 N
2.21 kg / 4.87 pounds
~0 Gs
3 mm 2.12 kg / 4.68 pounds
3 029 Gs
0.32 kg / 0.70 pounds
318 g / 3.1 N
1.91 kg / 4.21 pounds
~0 Gs
5 mm 1.49 kg / 3.30 pounds
2 543 Gs
0.22 kg / 0.49 pounds
224 g / 2.2 N
1.35 kg / 2.97 pounds
~0 Gs
10 mm 0.52 kg / 1.15 pounds
1 501 Gs
0.08 kg / 0.17 pounds
78 g / 0.8 N
0.47 kg / 1.03 pounds
~0 Gs
20 mm 0.06 kg / 0.14 pounds
524 Gs
0.01 kg / 0.02 pounds
10 g / 0.1 N
0.06 kg / 0.13 pounds
~0 Gs
50 mm 0.00 kg / 0.00 pounds
60 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
37 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
24 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
16 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
12 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
9 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~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
Mechanical watch 20 Gs (2.0 mT) 3.0 cm
Mobile device 40 Gs (4.0 mT) 2.5 cm
Remote 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: Collisions (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: Corrosion resistance
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 (Flux)
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%
Corrosion warning: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!
1. Vertical hold

*Note: On a vertical wall, the magnet holds just approx. 20-30% of its max power.

2. Steel thickness impact

*Thin steel (e.g. computer case) severely limits the holding force.

3. Thermal stability

*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) = 0.22

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 specification and ecology
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%
Sustainability
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
Measurement Calculator
Pulling force

Magnetic Field

Other deals

Component MPL 15x10x2 / N38 features a flat shape 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. Furthermore, its Ni-Cu-Ni coating protects it against corrosion in standard operating conditions, giving it an aesthetic appearance.
Separating strong flat magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. To separate the MPL 15x10x2 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend extreme caution, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
Plate magnets MPL 15x10x2 / N38 are the foundation for many industrial devices, such as filters catching filings 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. 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 15x10x2 / N38, we recommend utilizing strong epoxy glues (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. In practice, this means that this magnet has the greatest attraction force on its main planes (15x10 mm), which is ideal for flat mounting. This is the most popular configuration for block magnets used in separators and holders.
The presented product is a neodymium magnet with precisely defined parameters: 15 mm (length), 10 mm (width), and 2 mm (thickness). It is a magnetic block with dimensions 15x10x2 mm and a self-weight of 2.25 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Strengths and weaknesses of Nd2Fe14B magnets.

Advantages

In addition to their pulling strength, neodymium magnets provide the following advantages:
  • They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
  • They are resistant to demagnetization induced by presence of other magnetic fields,
  • In other words, due to the aesthetic finish of gold, the element gains visual value,
  • They are known for high magnetic induction at the operating surface, making them more effective,
  • Thanks to resistance to high temperature, they are able to function (depending on the form) even at temperatures up to 230°C and higher...
  • Thanks to modularity in forming and the capacity to customize to complex applications,
  • Significant place in modern technologies – they are used in HDD drives, brushless drives, medical devices, and industrial machines.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which allows their use in small systems

Limitations

Drawbacks and weaknesses of neodymium magnets: application proposals
  • To avoid cracks under impact, we recommend using special steel holders. Such a solution secures the magnet and simultaneously improves its durability.
  • Neodymium magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
  • Magnets exposed to a humid environment can corrode. Therefore while using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material resistant to moisture
  • We suggest cover - magnetic mount, due to difficulties in producing nuts inside the magnet and complex forms.
  • Possible danger related to microscopic parts of magnets pose a threat, in case of ingestion, which gains importance in the context of child health protection. Additionally, small elements of these devices can complicate diagnosis medical after entering the body.
  • Due to neodymium price, their price is relatively high,

Holding force characteristics

Maximum lifting capacity of the magnetwhat contributes to it?

Breakaway force was determined for optimal configuration, including:
  • with the use of a yoke made of special test steel, ensuring full magnetic saturation
  • with a thickness of at least 10 mm
  • characterized by smoothness
  • under conditions of gap-free contact (surface-to-surface)
  • for force applied at a right angle (in the magnet axis)
  • at temperature approx. 20 degrees Celsius

Lifting capacity in practice – influencing factors

During everyday use, the actual holding force depends on a number of factors, ranked from most significant:
  • Gap (betwixt the magnet and the metal), as even a tiny clearance (e.g. 0.5 mm) leads to a drastic drop in lifting capacity by up to 50% (this also applies to paint, corrosion or debris).
  • Load vector – maximum parameter is reached only during pulling at a 90° angle. The shear force of the magnet along the plate is typically many times smaller (approx. 1/5 of the lifting capacity).
  • Plate thickness – too thin sheet does not close the flux, causing part of the power to be wasted to the other side.
  • Metal type – not every steel attracts identically. Alloy additives worsen the interaction with the magnet.
  • Surface finish – full contact is obtained only on polished steel. Rough texture create air cushions, reducing force.
  • Thermal environment – temperature increase causes a temporary drop of induction. Check the maximum operating temperature for a given model.

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

Safe handling of neodymium magnets
Do not underestimate power

Be careful. Rare earth magnets act from a long distance and connect with huge force, often quicker than you can react.

Protective goggles

NdFeB magnets are sintered ceramics, meaning they are prone to chipping. Impact of two magnets leads to them cracking into small pieces.

Physical harm

Pinching hazard: The pulling power is so immense that it can cause blood blisters, pinching, and broken bones. Use thick gloves.

Safe distance

Intense magnetic fields can corrupt files on payment cards, hard drives, and storage devices. Stay away of at least 10 cm.

Do not drill into magnets

Fire hazard: Rare earth powder is highly flammable. Avoid machining magnets without safety gear as this may cause fire.

Danger to the youngest

Adult use only. Small elements can be swallowed, leading to serious injuries. Store out of reach of kids and pets.

Sensitization to coating

Some people suffer from a contact allergy to Ni, which is the common plating for NdFeB magnets. Prolonged contact can result in dermatitis. It is best to use protective gloves.

Health Danger

Warning for patients: Powerful magnets disrupt electronics. Keep minimum 30 cm distance or ask another person to handle the magnets.

Precision electronics

Navigation devices and smartphones are highly sensitive to magnetic fields. Direct contact with a strong magnet can ruin the internal compass in your phone.

Operating temperature

Regular neodymium magnets (grade N) undergo demagnetization when the temperature goes above 80°C. Damage is permanent.

Attention! Details about risks in the article: Magnet Safety Guide.