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MPL 10x10x3 / N38 - lamellar magnet

lamellar magnet

Catalog no 020111

GTIN/EAN: 5906301811176

5.00

length

10 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

3 mm [±0,1 mm]

Weight

2.25 g

Magnetization Direction

↑ axial

Load capacity

2.32 kg / 22.77 N

Magnetic Induction

293.71 mT / 2937 Gs

Coating

[NiCuNi] Nickel

1.414 with VAT / pcs + price for transport

1.150 ZŁ net + 23% VAT / pcs

bulk discounts:

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Force along with shape of a neodymium magnet can be calculated using our modular calculator.

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Technical - MPL 10x10x3 / N38 - lamellar magnet

Specification / characteristics - MPL 10x10x3 / N38 - lamellar magnet

properties
properties values
Cat. no. 020111
GTIN/EAN 5906301811176
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 10 mm [±0,1 mm]
Height 3 mm [±0,1 mm]
Weight 2.25 g
Magnetization Direction ↑ axial
Load capacity ~ ? 2.32 kg / 22.77 N
Magnetic Induction ~ ? 293.71 mT / 2937 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 10x10x3 / 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 modeling of the product - data

These values represent the outcome of a engineering analysis. Results are based on models for the class Nd2Fe14B. Actual parameters might slightly differ. Treat these calculations as a preliminary roadmap during assembly planning.

Table 1: Static pull force (pull vs distance) - interaction chart
MPL 10x10x3 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 2936 Gs
293.6 mT
2.32 kg / 5.11 LBS
2320.0 g / 22.8 N
strong
1 mm 2513 Gs
251.3 mT
1.70 kg / 3.75 LBS
1700.6 g / 16.7 N
safe
2 mm 2036 Gs
203.6 mT
1.12 kg / 2.46 LBS
1115.5 g / 10.9 N
safe
3 mm 1594 Gs
159.4 mT
0.68 kg / 1.51 LBS
683.9 g / 6.7 N
safe
5 mm 943 Gs
94.3 mT
0.24 kg / 0.53 LBS
239.3 g / 2.3 N
safe
10 mm 285 Gs
28.5 mT
0.02 kg / 0.05 LBS
21.8 g / 0.2 N
safe
15 mm 112 Gs
11.2 mT
0.00 kg / 0.01 LBS
3.4 g / 0.0 N
safe
20 mm 54 Gs
5.4 mT
0.00 kg / 0.00 LBS
0.8 g / 0.0 N
safe
30 mm 18 Gs
1.8 mT
0.00 kg / 0.00 LBS
0.1 g / 0.0 N
safe
50 mm 4 Gs
0.4 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe

Table 2: Sliding force (vertical surface)
MPL 10x10x3 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.46 kg / 1.02 LBS
464.0 g / 4.6 N
1 mm Stal (~0.2) 0.34 kg / 0.75 LBS
340.0 g / 3.3 N
2 mm Stal (~0.2) 0.22 kg / 0.49 LBS
224.0 g / 2.2 N
3 mm Stal (~0.2) 0.14 kg / 0.30 LBS
136.0 g / 1.3 N
5 mm Stal (~0.2) 0.05 kg / 0.11 LBS
48.0 g / 0.5 N
10 mm Stal (~0.2) 0.00 kg / 0.01 LBS
4.0 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

Table 3: Wall mounting (shearing) - vertical pull
MPL 10x10x3 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.70 kg / 1.53 LBS
696.0 g / 6.8 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.46 kg / 1.02 LBS
464.0 g / 4.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.23 kg / 0.51 LBS
232.0 g / 2.3 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.16 kg / 2.56 LBS
1160.0 g / 11.4 N

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 10x10x3 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.23 kg / 0.51 LBS
232.0 g / 2.3 N
1 mm
25%
0.58 kg / 1.28 LBS
580.0 g / 5.7 N
2 mm
50%
1.16 kg / 2.56 LBS
1160.0 g / 11.4 N
3 mm
75%
1.74 kg / 3.84 LBS
1740.0 g / 17.1 N
5 mm
100%
2.32 kg / 5.11 LBS
2320.0 g / 22.8 N
10 mm
100%
2.32 kg / 5.11 LBS
2320.0 g / 22.8 N
11 mm
100%
2.32 kg / 5.11 LBS
2320.0 g / 22.8 N
12 mm
100%
2.32 kg / 5.11 LBS
2320.0 g / 22.8 N

Table 5: Thermal stability (material behavior) - power drop
MPL 10x10x3 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 2.32 kg / 5.11 LBS
2320.0 g / 22.8 N
OK
40 °C -2.2% 2.27 kg / 5.00 LBS
2269.0 g / 22.3 N
OK
60 °C -4.4% 2.22 kg / 4.89 LBS
2217.9 g / 21.8 N
80 °C -6.6% 2.17 kg / 4.78 LBS
2166.9 g / 21.3 N
100 °C -28.8% 1.65 kg / 3.64 LBS
1651.8 g / 16.2 N

Table 6: Two magnets (attraction) - forces in the system
MPL 10x10x3 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 5.31 kg / 11.71 LBS
4 526 Gs
0.80 kg / 1.76 LBS
797 g / 7.8 N
N/A
1 mm 4.63 kg / 10.20 LBS
5 480 Gs
0.69 kg / 1.53 LBS
694 g / 6.8 N
4.17 kg / 9.18 LBS
~0 Gs
2 mm 3.89 kg / 8.59 LBS
5 027 Gs
0.58 kg / 1.29 LBS
584 g / 5.7 N
3.51 kg / 7.73 LBS
~0 Gs
3 mm 3.19 kg / 7.03 LBS
4 549 Gs
0.48 kg / 1.05 LBS
478 g / 4.7 N
2.87 kg / 6.33 LBS
~0 Gs
5 mm 2.01 kg / 4.44 LBS
3 613 Gs
0.30 kg / 0.67 LBS
302 g / 3.0 N
1.81 kg / 3.99 LBS
~0 Gs
10 mm 0.55 kg / 1.21 LBS
1 886 Gs
0.08 kg / 0.18 LBS
82 g / 0.8 N
0.49 kg / 1.09 LBS
~0 Gs
20 mm 0.05 kg / 0.11 LBS
569 Gs
0.01 kg / 0.02 LBS
7 g / 0.1 N
0.04 kg / 0.10 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
36 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) - precautionary measures
MPL 10x10x3 / 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
Phone / Smartphone 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: Impact energy (cracking risk) - collision effects
MPL 10x10x3 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 32.57 km/h
(9.05 m/s)
0.09 J
30 mm 56.09 km/h
(15.58 m/s)
0.27 J
50 mm 72.41 km/h
(20.11 m/s)
0.46 J
100 mm 102.41 km/h
(28.45 m/s)
0.91 J

Table 9: Coating parameters (durability)
MPL 10x10x3 / 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 (Flux)
MPL 10x10x3 / N38

Parameter Value SI Unit / Description
Magnetic Flux 3 197 Mx 32.0 µWb
Pc Coefficient 0.36 Low (Flat)

Table 11: Hydrostatics and buoyancy
MPL 10x10x3 / N38

Environment Effective steel pull Effect
Air (land) 2.32 kg Standard
Water (riverbed) 2.66 kg
(+0.34 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. Shear force

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

2. Steel saturation

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

3. Thermal stability

*For standard magnets, the critical limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.36

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: 020111-2026
Measurement Calculator
Magnet pull force

Magnetic Field

Other deals

Component MPL 10x10x3 / 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. 2.32 kg), this product is available off-the-shelf from our warehouse in Poland. Furthermore, 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. Watch your fingers! Magnets with a force of 2.32 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 generators and material handling systems. 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.
For mounting flat magnets MPL 10x10x3 / 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. Remember to clean and degrease the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.
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 (10x10 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 10x10x3 mm, which, at a weight of 2.25 g, makes it an element with high energy density. It is a magnetic block with dimensions 10x10x3 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.

Pros as well as cons of rare earth magnets.

Advantages

Besides their immense strength, neodymium magnets offer the following advantages:
  • They retain magnetic properties for nearly ten years – the loss is just ~1% (based on simulations),
  • They do not lose their magnetic properties even under close interference source,
  • By applying a reflective coating of nickel, the element gains an aesthetic look,
  • They show high magnetic induction at the operating surface, which affects their effectiveness,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
  • Thanks to freedom in forming and the ability to customize to complex applications,
  • Versatile presence in modern technologies – they serve a role in HDD drives, motor assemblies, medical devices, as well as modern systems.
  • Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Limitations

Disadvantages of NdFeB magnets:
  • At very strong impacts they can break, therefore we advise placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
  • When exposed to high temperature, neodymium magnets experience a drop in force. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size and 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 start to rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
  • We recommend cover - magnetic holder, due to difficulties in realizing nuts inside the magnet and complicated shapes.
  • Possible danger resulting from small fragments of magnets are risky, when accidentally swallowed, which becomes key in the context of child safety. It is also worth noting that tiny parts of these magnets can complicate diagnosis medical in case of swallowing.
  • With budget limitations the cost of neodymium magnets is a challenge,

Holding force characteristics

Optimal lifting capacity of a neodymium magnetwhat it depends on?

Information about lifting capacity was determined for optimal configuration, taking into account:
  • using a base made of high-permeability steel, acting as a ideal flux conductor
  • whose thickness equals approx. 10 mm
  • characterized by lack of roughness
  • under conditions of ideal adhesion (surface-to-surface)
  • during detachment in a direction vertical to the plane
  • in temp. approx. 20°C

Key elements affecting lifting force

During everyday use, the actual lifting capacity is determined by several key aspects, listed from most significant:
  • Distance – existence of any layer (paint, dirt, air) interrupts the magnetic circuit, which reduces capacity rapidly (even by 50% at 0.5 mm).
  • Force direction – note that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
  • Element thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet limits the lifting capacity (the magnet "punches through" it).
  • 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, reducing force.
  • Operating temperature – NdFeB sinters have a negative temperature coefficient. At higher temperatures they lose power, and in frost gain strength (up to a certain limit).

Lifting capacity was determined by applying a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, whereas under parallel forces the holding force is lower. In addition, even a small distance between the magnet and the plate decreases the lifting capacity.

Safety rules for work with neodymium magnets
Keep away from children

Product intended for adults. Tiny parts pose a choking risk, leading to serious injuries. Store out of reach of kids and pets.

Heat warning

Do not overheat. NdFeB magnets are susceptible to heat. If you need resistance above 80°C, look for special high-temperature series (H, SH, UH).

Keep away from computers

Avoid bringing magnets close to a wallet, laptop, or screen. The magnetism can destroy these devices and erase data from cards.

Implant safety

Life threat: Strong magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.

Warning for allergy sufferers

Some people have a hypersensitivity to nickel, which is the common plating for NdFeB magnets. Frequent touching may cause an allergic reaction. We strongly advise use safety gloves.

Dust explosion hazard

Mechanical processing of NdFeB material poses a fire risk. Neodymium dust reacts violently with oxygen and is difficult to extinguish.

Magnets are brittle

Neodymium magnets are ceramic materials, meaning they are fragile like glass. Clashing of two magnets leads to them cracking into shards.

Conscious usage

Handle magnets consciously. Their huge power can surprise even experienced users. Be vigilant and respect their power.

GPS Danger

Navigation devices and smartphones are extremely sensitive to magnetic fields. Close proximity with a powerful NdFeB magnet can permanently damage the internal compass in your phone.

Pinching danger

Mind your fingers. Two large magnets will snap together immediately with a force of massive weight, crushing anything in their path. Exercise extreme caution!

Danger! Learn more about risks in the article: Magnet Safety Guide.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98