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MPL 10x4x1.5 / N38 - lamellar magnet

lamellar magnet

Catalog no 020113

GTIN/EAN: 5906301811190

5.00

length

10 mm [±0,1 mm]

Width

4 mm [±0,1 mm]

Height

1.5 mm [±0,1 mm]

Weight

0.45 g

Magnetization Direction

↑ axial

Load capacity

0.88 kg / 8.65 N

Magnetic Induction

274.96 mT / 2750 Gs

Coating

[NiCuNi] Nickel

0.246 with VAT / pcs + price for transport

0.200 ZŁ net + 23% VAT / pcs

bulk discounts:

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Technical - MPL 10x4x1.5 / N38 - lamellar magnet

Specification / characteristics - MPL 10x4x1.5 / N38 - lamellar magnet

properties
properties values
Cat. no. 020113
GTIN/EAN 5906301811190
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 4 mm [±0,1 mm]
Height 1.5 mm [±0,1 mm]
Weight 0.45 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.88 kg / 8.65 N
Magnetic Induction ~ ? 274.96 mT / 2750 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 10x4x1.5 / 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

Physical simulation of the product - data

These values constitute the result of a mathematical simulation. Values are based on models for the class Nd2Fe14B. Operational conditions might slightly differ. Please consider these calculations as a supplementary guide when designing systems.

Table 1: Static force (force vs gap) - power drop
MPL 10x4x1.5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 2747 Gs
274.7 mT
0.88 kg / 1.94 pounds
880.0 g / 8.6 N
low risk
1 mm 1882 Gs
188.2 mT
0.41 kg / 0.91 pounds
413.1 g / 4.1 N
low risk
2 mm 1175 Gs
117.5 mT
0.16 kg / 0.35 pounds
161.0 g / 1.6 N
low risk
3 mm 746 Gs
74.6 mT
0.06 kg / 0.14 pounds
64.9 g / 0.6 N
low risk
5 mm 337 Gs
33.7 mT
0.01 kg / 0.03 pounds
13.3 g / 0.1 N
low risk
10 mm 77 Gs
7.7 mT
0.00 kg / 0.00 pounds
0.7 g / 0.0 N
low risk
15 mm 27 Gs
2.7 mT
0.00 kg / 0.00 pounds
0.1 g / 0.0 N
low risk
20 mm 12 Gs
1.2 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
30 mm 4 Gs
0.4 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
50 mm 1 Gs
0.1 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk

Table 2: Slippage load (vertical surface)
MPL 10x4x1.5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.18 kg / 0.39 pounds
176.0 g / 1.7 N
1 mm Stal (~0.2) 0.08 kg / 0.18 pounds
82.0 g / 0.8 N
2 mm Stal (~0.2) 0.03 kg / 0.07 pounds
32.0 g / 0.3 N
3 mm Stal (~0.2) 0.01 kg / 0.03 pounds
12.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 pounds
2.0 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

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MPL 10x4x1.5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.26 kg / 0.58 pounds
264.0 g / 2.6 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.18 kg / 0.39 pounds
176.0 g / 1.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.09 kg / 0.19 pounds
88.0 g / 0.9 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.44 kg / 0.97 pounds
440.0 g / 4.3 N

Table 4: Steel thickness (substrate influence) - power losses
MPL 10x4x1.5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.09 kg / 0.19 pounds
88.0 g / 0.9 N
1 mm
25%
0.22 kg / 0.49 pounds
220.0 g / 2.2 N
2 mm
50%
0.44 kg / 0.97 pounds
440.0 g / 4.3 N
3 mm
75%
0.66 kg / 1.46 pounds
660.0 g / 6.5 N
5 mm
100%
0.88 kg / 1.94 pounds
880.0 g / 8.6 N
10 mm
100%
0.88 kg / 1.94 pounds
880.0 g / 8.6 N
11 mm
100%
0.88 kg / 1.94 pounds
880.0 g / 8.6 N
12 mm
100%
0.88 kg / 1.94 pounds
880.0 g / 8.6 N

Table 5: Working in heat (stability) - power drop
MPL 10x4x1.5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.88 kg / 1.94 pounds
880.0 g / 8.6 N
OK
40 °C -2.2% 0.86 kg / 1.90 pounds
860.6 g / 8.4 N
OK
60 °C -4.4% 0.84 kg / 1.85 pounds
841.3 g / 8.3 N
80 °C -6.6% 0.82 kg / 1.81 pounds
821.9 g / 8.1 N
100 °C -28.8% 0.63 kg / 1.38 pounds
626.6 g / 6.1 N

Table 6: Magnet-Magnet interaction (attraction) - field collision
MPL 10x4x1.5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 1.86 kg / 4.10 pounds
4 229 Gs
0.28 kg / 0.62 pounds
279 g / 2.7 N
N/A
1 mm 1.34 kg / 2.95 pounds
4 661 Gs
0.20 kg / 0.44 pounds
201 g / 2.0 N
1.21 kg / 2.66 pounds
~0 Gs
2 mm 0.87 kg / 1.93 pounds
3 764 Gs
0.13 kg / 0.29 pounds
131 g / 1.3 N
0.79 kg / 1.73 pounds
~0 Gs
3 mm 0.55 kg / 1.21 pounds
2 978 Gs
0.08 kg / 0.18 pounds
82 g / 0.8 N
0.49 kg / 1.09 pounds
~0 Gs
5 mm 0.21 kg / 0.47 pounds
1 864 Gs
0.03 kg / 0.07 pounds
32 g / 0.3 N
0.19 kg / 0.43 pounds
~0 Gs
10 mm 0.03 kg / 0.06 pounds
675 Gs
0.00 kg / 0.01 pounds
4 g / 0.0 N
0.03 kg / 0.06 pounds
~0 Gs
20 mm 0.00 kg / 0.00 pounds
154 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
13 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
8 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
5 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
3 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
2 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

Table 7: Protective zones (implants) - warnings
MPL 10x4x1.5 / 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
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

Table 8: Collisions (kinetic energy) - collision effects
MPL 10x4x1.5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 44.62 km/h
(12.39 m/s)
0.03 J
30 mm 77.25 km/h
(21.46 m/s)
0.10 J
50 mm 99.72 km/h
(27.70 m/s)
0.17 J
100 mm 141.03 km/h
(39.18 m/s)
0.35 J

Table 9: Anti-corrosion coating durability
MPL 10x4x1.5 / 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)

Table 10: Electrical data (Pc)
MPL 10x4x1.5 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 104 Mx 11.0 µWb
Pc Coefficient 0.30 Low (Flat)

Table 11: Submerged application
MPL 10x4x1.5 / N38

Environment Effective steel pull Effect
Air (land) 0.88 kg Standard
Water (riverbed) 1.01 kg
(+0.13 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. Vertical hold

*Warning: On a vertical surface, the magnet retains just a fraction of its nominal pull.

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC case) drastically 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) = 0.30

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
Elemental analysis
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: 020113-2026
Magnet Unit Converter
Pulling force

Magnetic Field

Other deals

This product is a very powerful plate magnet made of NdFeB material, which, with dimensions of 10x4x1.5 mm and a weight of 0.45 g, guarantees premium class connection. This rectangular block with a force of 8.65 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, its Ni-Cu-Ni coating secures 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. To separate the MPL 10x4x1.5 / 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. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
They constitute a key element in the production of generators and material handling systems. They work great as invisible mounts under tiles, wood, or glass. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
For mounting flat magnets MPL 10x4x1.5 / N38, we recommend utilizing two-component adhesives (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. 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 (10x4 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 10x4x1.5 mm, which, at a weight of 0.45 g, makes it an element with high energy density. It is a magnetic block with dimensions 10x4x1.5 mm and a self-weight of 0.45 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Advantages as well as disadvantages of neodymium magnets.

Pros

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (based on calculations),
  • They do not lose their magnetic properties even under external field action,
  • In other words, due to the reflective finish of gold, the element gains a professional look,
  • They are known for high magnetic induction at the operating surface, which improves attraction properties,
  • Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
  • Possibility of custom modeling and optimizing to precise applications,
  • Wide application in high-tech industry – they find application in hard drives, drive modules, medical equipment, and multitasking production systems.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Limitations

Disadvantages of neodymium magnets:
  • To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
  • Neodymium magnets lose their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
  • Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
  • Limited possibility of making nuts in the magnet and complex shapes - preferred is casing - magnet mounting.
  • Health risk to health – tiny shards of magnets pose a threat, in case of ingestion, which becomes key in the aspect of protecting the youngest. It is also worth noting that tiny parts of these magnets can complicate diagnosis medical in case of swallowing.
  • Due to neodymium price, their price is relatively high,

Holding force characteristics

Maximum lifting force for a neodymium magnet – what affects it?

Magnet power was determined for ideal contact conditions, assuming:
  • using a sheet made of mild steel, functioning as a circuit closing element
  • whose thickness equals approx. 10 mm
  • with an ground touching surface
  • with total lack of distance (no impurities)
  • under axial force direction (90-degree angle)
  • in temp. approx. 20°C

Determinants of practical lifting force of a magnet

In practice, the real power results from many variables, listed from the most important:
  • Distance – existence of any layer (paint, dirt, gap) acts as an insulator, which reduces capacity steeply (even by 50% at 0.5 mm).
  • Loading method – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet exhibits much less (typically approx. 20-30% of maximum force).
  • Base massiveness – insufficiently thick steel causes magnetic saturation, causing part of the power to be escaped into the air.
  • Steel type – low-carbon steel gives the best results. Alloy admixtures lower magnetic permeability and holding force.
  • Surface finish – ideal contact is obtained only on smooth steel. Rough texture reduce the real contact area, weakening the magnet.
  • Operating temperature – NdFeB sinters have a sensitivity to temperature. When it is hot they lose power, and at low temperatures gain strength (up to a certain limit).

Lifting capacity was measured using a smooth steel plate of optimal thickness (min. 20 mm), under vertically applied force, however under shearing force the load capacity is reduced by as much as fivefold. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the holding force.

H&S for magnets
Bone fractures

Large magnets can break fingers in a fraction of a second. Under no circumstances put your hand between two strong magnets.

Dust explosion hazard

Machining of neodymium magnets carries a risk of fire risk. Magnetic powder oxidizes rapidly with oxygen and is difficult to extinguish.

GPS Danger

Remember: rare earth magnets produce a field that confuses sensitive sensors. Maintain a separation from your mobile, tablet, and navigation systems.

Power loss in heat

Avoid heat. NdFeB magnets are susceptible to temperature. If you require operation above 80°C, ask us about special high-temperature series (H, SH, UH).

Danger to the youngest

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

Warning for allergy sufferers

Some people suffer from a hypersensitivity to Ni, which is the standard coating for neodymium magnets. Extended handling may cause a rash. We strongly advise use safety gloves.

Danger to pacemakers

People with a heart stimulator must keep an large gap from magnets. The magnetic field can interfere with the functioning of the life-saving device.

Protect data

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

Respect the power

Before starting, check safety instructions. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.

Material brittleness

Watch out for shards. Magnets can explode upon violent connection, launching sharp fragments into the air. Wear goggles.

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