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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

technical parameters »

0.381 ZŁ with VAT / pcs + price for transport

0.310 ZŁ net + 23% VAT / pcs

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Technical details - 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

Physical modeling of the magnet - data

Presented information are the direct effect of a physical analysis. Results rely on models for the material Nd2Fe14B. Real-world parameters might slightly differ. Treat these calculations as a preliminary roadmap during assembly planning.

Table 1: Static force (force vs gap) - power drop
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
Pulling power drops significantly with every subsequent millimeter of gap. Remember that even a microscopic distance (e.g., dirt, paint, rust) significantly reduces the pull force. Magnetic products work most effectively in perfect adhesion; air break nullifies the force. Observe how quickly the parameters plummet, when the product does not touch flatly to the metal substrate. When planning the mounting, discard additional spacers.

Table 2: Vertical load (wall)
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
This section shows the approximate holding capacity sufficient to cause the sliding of the magnet vertically along a upright steel plate (considering typical friction). This value varies with the separation distance between the magnet and the metal.

Table 3: Wall mounting (shearing) - 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 element on a vertical plane (e.g., a car body), it will maintain just about 20%-30% of its nominal power. Gravity as well as a weak degree of grip cause that magnets move down easier than they pull off. Want to create a vertical fastening? Note that the shear force is significantly lower than the maximum static pull force. On a slippery surface, the element will give way down under a much lighter weight. Utilizing a rubberized pad can significantly improve the result.

Table 4: Steel thickness (substrate influence) - sheet metal selection
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 thin sheet is unable to focus the full magnetic flux, which wastes potential of the holder. Should you mount a strong magnet to a weak sheet, the field will penetrate right through and the attraction force will be weaker. To achieve full efficiency of this magnet's power, you require a sufficiently solid piece of steel. The material oversaturation means that on delicate walls (e.g., car bodies), the product shows lower pull force. We advise picking the steel cross-section based on the following data.

Table 5: Thermal stability (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
Ordinary NdFeB products irreversibly lose power past the thermal threshold. Watch out for overheating – high temperature can irreversibly damage this product. With increasing heat, the magnet's capacity temporarily drops. Avoid using this product in hot environments higher than its operating temperature limit. Ignoring the limit will lead to destruction of magnetism.
*Engineering note: Thermal stability depends not only on the material grade, as well as the dimension ratios. Thin magnets (low permeance coefficient) risk losing magnetic properties under lower heat stress than long magnets. Warning indicator in the table points to a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 10x5x1.5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (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 magnetic products attract each other from a significantly greater distance than a magnet and sheet setup. Such a system of magnet-to-magnet produces a massive flux and a wider radius of performance. Want to build a powerful holder? Utilize two neodymiums instead of one magnet and a steel. Be careful that when attracting two neodymiums, the impact force is extreme. The levitation is slightly lower than the connection force, but still significant.
*Flux density between like poles drops to ~0 Gs at the midpoint of the gap (due to field cancellation).
Important: Results refer to shear force of a pair of matching magnets (friction coefficient ~0.15 for Ni-Ni layer).

Table 7: Hazards (electronics) - precautionary measures
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
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
Extremely neodym field is a large risk to electronic devices and medical implants. These NdFeB products generate a field that disrupts operation of digital equipment. Notice: the unseen radiation passes through tissues and glass. Increased vigilance must be exercised by people with hearing aids and insulin pumps. Also at risk are: automatic timepieces, remotes, membranes, and screens. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - collision effects
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
NdFeB products are delicate – a strong collision with metal causes immediate chipping. Watch the impact speed – a magnet released freely turns into a projectile. Impact energy can trigger coating fragments or painful pinches to fingers. Be sure to control the product during bringing near metal so it doesn't slam with momentum against the steel surface. A contact at a velocity of dozens of km/h ends with a crack of the neodymium. Wear eye protection 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. The silver nickel coating also serves an aesthetic function but is not fully waterproof.

Table 10: Construction 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 emitted by the magnet pole. Essential parameter when building generators as well as sensors. The Pc coefficient determines the working geometry.

Table 11: Hydrostatics and buoyancy
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%
Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
Contrary to myths, water does not block the magnetic field. Buoyancy helps in lifting finds.
1. Wall mount (shear)

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

2. Efficiency vs thickness

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

3. Power loss vs temp

*For N38 material, the critical limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.27

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: 020114-2026
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Magnetic Induction
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Component MPL 10x5x1.5 / N38 features a low profile and professional 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 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.
The key to success is shifting 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. 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. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
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).
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 (10x5 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: 10 mm (length), 5 mm (width), and 1.5 mm (thickness). It is a magnetic block with dimensions 10x5x1.5 mm and a self-weight of 0.56 g, ready to work at temperatures up to 80°C. The protective [NiCuNi] coating secures the magnet against corrosion.

Pros and cons of rare earth magnets.

Pros

Apart from their strong magnetic energy, neodymium magnets have these key benefits:
  • Their strength remains stable, and after approximately ten years it drops only by ~1% (theoretically),
  • They possess excellent resistance to weakening of magnetic properties when exposed to external fields,
  • By covering with a decorative coating of nickel, the element gains an professional look,
  • The surface of neodymium magnets generates a intense magnetic field – this is one of their assets,
  • Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling action at temperatures approaching 230°C and above...
  • In view of the potential of free forming and customization to individualized projects, neodymium magnets can be manufactured in a wide range of shapes and sizes, which amplifies use scope,
  • Fundamental importance in modern industrial fields – they are commonly used in mass storage devices, electromotive mechanisms, medical devices, and multitasking production systems.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which enables their usage in miniature devices

Weaknesses

Disadvantages of NdFeB magnets:
  • At strong impacts they can break, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
  • We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
  • Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material resistant to moisture, when using outdoors
  • We suggest casing - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex forms.
  • Health risk related to microscopic parts of magnets are risky, when accidentally swallowed, which becomes key in the context of child health protection. Furthermore, tiny parts of these products can be problematic in diagnostics medical when they are in the body.
  • With large orders the cost of neodymium magnets is a challenge,

Lifting parameters

Maximum lifting capacity of the magnet – what it depends on?

Breakaway force was defined for optimal configuration, including:
  • with the use of a yoke made of special test steel, ensuring maximum field concentration
  • with a thickness no less than 10 mm
  • characterized by smoothness
  • under conditions of no distance (metal-to-metal)
  • under vertical application of breakaway force (90-degree angle)
  • in temp. approx. 20°C

Key elements affecting lifting force

Effective lifting capacity impacted by working environment parameters, including (from most important):
  • Gap (betwixt the magnet and the metal), as even a microscopic clearance (e.g. 0.5 mm) leads to a reduction in lifting capacity by up to 50% (this also applies to paint, corrosion or dirt).
  • Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
  • Plate thickness – insufficiently thick steel does not accept the full field, causing part of the power to be escaped to the other side.
  • Chemical composition of the base – low-carbon steel attracts best. Alloy admixtures reduce magnetic properties and holding force.
  • Surface quality – the more even the plate, the better the adhesion and stronger the hold. Unevenness acts like micro-gaps.
  • Thermal conditions – NdFeB sinters have a sensitivity to temperature. At higher temperatures they lose power, and at low temperatures they can be stronger (up to a certain limit).

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, however under shearing force the holding force is lower. Additionally, even a minimal clearance between the magnet and the plate lowers the holding force.

H&S for magnets
Dust explosion hazard

Combustion risk: Rare earth powder is explosive. Avoid machining magnets in home conditions as this may cause fire.

Caution required

Be careful. Rare earth magnets attract from a long distance and snap with huge force, often faster than you can move away.

Keep away from electronics

Remember: rare earth magnets generate a field that confuses sensitive sensors. Keep a separation from your phone, tablet, and GPS.

Bone fractures

Protect your hands. Two powerful magnets will join immediately with a force of several hundred kilograms, crushing anything in their path. Exercise extreme caution!

Eye protection

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

Life threat

Patients with a heart stimulator must keep an absolute distance from magnets. The magnetism can stop the operation of the life-saving device.

Protect data

Avoid bringing magnets close to a wallet, computer, or screen. The magnetic field can irreversibly ruin these devices and erase data from cards.

Swallowing risk

These products are not intended for children. Swallowing a few magnets may result in them pinching intestinal walls, which constitutes a direct threat to life and necessitates immediate surgery.

Allergy Warning

Certain individuals suffer from a hypersensitivity to Ni, which is the common plating for neodymium magnets. Prolonged contact may cause a rash. It is best to wear safety gloves.

Heat sensitivity

Keep cool. NdFeB magnets are sensitive to heat. If you require resistance above 80°C, look for HT versions (H, SH, UH).

Caution! Looking for details? Read our article: Why are neodymium magnets dangerous?