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MPL 11x11x1 / N38 - lamellar magnet

lamellar magnet

Catalog no 020116

GTIN/EAN: 5906301811220

5.00

length

11 mm [±0,1 mm]

Width

11 mm [±0,1 mm]

Height

1 mm [±0,1 mm]

Weight

0.91 g

Magnetization Direction

↑ axial

Load capacity

0.43 kg / 4.24 N

Magnetic Induction

100.10 mT / 1001 Gs

Coating

[NiCuNi] Nickel

0.873 with VAT / pcs + price for transport

0.710 ZŁ net + 23% VAT / pcs

bulk discounts:

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Specifications as well as structure of neodymium magnets can be checked on our power calculator.

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Physical properties - MPL 11x11x1 / N38 - lamellar magnet

Specification / characteristics - MPL 11x11x1 / N38 - lamellar magnet

properties
properties values
Cat. no. 020116
GTIN/EAN 5906301811220
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 11 mm [±0,1 mm]
Width 11 mm [±0,1 mm]
Height 1 mm [±0,1 mm]
Weight 0.91 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.43 kg / 4.24 N
Magnetic Induction ~ ? 100.10 mT / 1001 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 11x11x1 / 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 - technical parameters

The following values are the outcome of a physical analysis. Values rely on algorithms for the material Nd2Fe14B. Real-world performance may deviate from the simulation results. Use these data as a supplementary guide for designers.

Table 1: Static force (pull vs gap) - power drop
MPL 11x11x1 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1001 Gs
100.1 mT
0.43 kg / 0.95 lbs
430.0 g / 4.2 N
low risk
1 mm 925 Gs
92.5 mT
0.37 kg / 0.81 lbs
367.7 g / 3.6 N
low risk
2 mm 800 Gs
80.0 mT
0.27 kg / 0.61 lbs
274.9 g / 2.7 N
low risk
3 mm 659 Gs
65.9 mT
0.19 kg / 0.41 lbs
186.5 g / 1.8 N
low risk
5 mm 415 Gs
41.5 mT
0.07 kg / 0.16 lbs
74.0 g / 0.7 N
low risk
10 mm 130 Gs
13.0 mT
0.01 kg / 0.02 lbs
7.3 g / 0.1 N
low risk
15 mm 51 Gs
5.1 mT
0.00 kg / 0.00 lbs
1.1 g / 0.0 N
low risk
20 mm 24 Gs
2.4 mT
0.00 kg / 0.00 lbs
0.3 g / 0.0 N
low risk
30 mm 8 Gs
0.8 mT
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
low risk
50 mm 2 Gs
0.2 mT
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
low risk

Table 2: Shear force (wall)
MPL 11x11x1 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.09 kg / 0.19 lbs
86.0 g / 0.8 N
1 mm Stal (~0.2) 0.07 kg / 0.16 lbs
74.0 g / 0.7 N
2 mm Stal (~0.2) 0.05 kg / 0.12 lbs
54.0 g / 0.5 N
3 mm Stal (~0.2) 0.04 kg / 0.08 lbs
38.0 g / 0.4 N
5 mm Stal (~0.2) 0.01 kg / 0.03 lbs
14.0 g / 0.1 N
10 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 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: Vertical assembly (sliding) - behavior on slippery surfaces
MPL 11x11x1 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.13 kg / 0.28 lbs
129.0 g / 1.3 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.09 kg / 0.19 lbs
86.0 g / 0.8 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.04 kg / 0.09 lbs
43.0 g / 0.4 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.22 kg / 0.47 lbs
215.0 g / 2.1 N

Table 4: Material efficiency (substrate influence) - sheet metal selection
MPL 11x11x1 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.04 kg / 0.09 lbs
43.0 g / 0.4 N
1 mm
25%
0.11 kg / 0.24 lbs
107.5 g / 1.1 N
2 mm
50%
0.22 kg / 0.47 lbs
215.0 g / 2.1 N
3 mm
75%
0.32 kg / 0.71 lbs
322.5 g / 3.2 N
5 mm
100%
0.43 kg / 0.95 lbs
430.0 g / 4.2 N
10 mm
100%
0.43 kg / 0.95 lbs
430.0 g / 4.2 N
11 mm
100%
0.43 kg / 0.95 lbs
430.0 g / 4.2 N
12 mm
100%
0.43 kg / 0.95 lbs
430.0 g / 4.2 N

Table 5: Thermal resistance (stability) - resistance threshold
MPL 11x11x1 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.43 kg / 0.95 lbs
430.0 g / 4.2 N
OK
40 °C -2.2% 0.42 kg / 0.93 lbs
420.5 g / 4.1 N
OK
60 °C -4.4% 0.41 kg / 0.91 lbs
411.1 g / 4.0 N
80 °C -6.6% 0.40 kg / 0.89 lbs
401.6 g / 3.9 N
100 °C -28.8% 0.31 kg / 0.67 lbs
306.2 g / 3.0 N

Table 6: Magnet-Magnet interaction (repulsion) - field collision
MPL 11x11x1 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 0.75 kg / 1.65 lbs
1 925 Gs
0.11 kg / 0.25 lbs
112 g / 1.1 N
N/A
1 mm 0.70 kg / 1.55 lbs
1 943 Gs
0.11 kg / 0.23 lbs
106 g / 1.0 N
0.63 kg / 1.40 lbs
~0 Gs
2 mm 0.64 kg / 1.41 lbs
1 851 Gs
0.10 kg / 0.21 lbs
96 g / 0.9 N
0.58 kg / 1.27 lbs
~0 Gs
3 mm 0.56 kg / 1.24 lbs
1 734 Gs
0.08 kg / 0.19 lbs
84 g / 0.8 N
0.50 kg / 1.11 lbs
~0 Gs
5 mm 0.40 kg / 0.88 lbs
1 460 Gs
0.06 kg / 0.13 lbs
60 g / 0.6 N
0.36 kg / 0.79 lbs
~0 Gs
10 mm 0.13 kg / 0.28 lbs
831 Gs
0.02 kg / 0.04 lbs
19 g / 0.2 N
0.12 kg / 0.26 lbs
~0 Gs
20 mm 0.01 kg / 0.03 lbs
261 Gs
0.00 kg / 0.00 lbs
2 g / 0.0 N
0.01 kg / 0.03 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
26 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
16 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
10 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
7 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
5 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
4 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs

Table 7: Protective zones (implants) - precautionary measures
MPL 11x11x1 / N38

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

Table 8: Impact energy (kinetic energy) - collision effects
MPL 11x11x1 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 22.15 km/h
(6.15 m/s)
0.02 J
30 mm 37.97 km/h
(10.55 m/s)
0.05 J
50 mm 49.02 km/h
(13.62 m/s)
0.08 J
100 mm 69.33 km/h
(19.26 m/s)
0.17 J

Table 9: Coating parameters (durability)
MPL 11x11x1 / 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 11x11x1 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 627 Mx 16.3 µWb
Pc Coefficient 0.13 Low (Flat)

Table 11: Submerged application
MPL 11x11x1 / N38

Environment Effective steel pull Effect
Air (land) 0.43 kg Standard
Water (riverbed) 0.49 kg
(+0.06 kg buoyancy gain)
+14.5%
Rust risk: 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

*Warning: On a vertical surface, the magnet holds only approx. 20-30% of its max power.

2. Steel saturation

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

3. Heat tolerance

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.13

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.

Engineering data and GPSR
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: 020116-2026
Magnet Unit Converter
Pulling force

Magnetic Field

Other deals

Model MPL 11x11x1 / N38 features a low profile and industrial pulling force, making it a perfect solution for building separators and machines. This magnetic block with a force of 4.24 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. Watch your fingers! Magnets with a force of 0.43 kg can pinch very hard and cause hematomas. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
Plate magnets MPL 11x11x1 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. 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 11x11x1 / 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 (11x11 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 11x11x1 mm, which, at a weight of 0.91 g, makes it an element with high energy density. The key parameter here is the holding force amounting to approximately 0.43 kg (force ~4.24 N), which, with such a flat shape, proves the high power of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Strengths as well as weaknesses of rare earth magnets.

Advantages

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • They have unchanged lifting capacity, and over around ten years their performance decreases symbolically – ~1% (according to theory),
  • They are resistant to demagnetization induced by external magnetic fields,
  • By using a smooth layer of silver, the element presents an modern look,
  • They show high magnetic induction at the operating surface, which improves attraction properties,
  • Due to their durability and thermal resistance, neodymium magnets can operate (depending on the form) even at high temperatures reaching 230°C or more...
  • Thanks to the ability of accurate molding and adaptation to individualized requirements, NdFeB magnets can be modeled in a variety of geometric configurations, which amplifies use scope,
  • Significant place in innovative solutions – they are utilized in computer drives, motor assemblies, diagnostic systems, also other advanced devices.
  • Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in small dimensions, which allows their use in miniature devices

Weaknesses

Disadvantages of NdFeB magnets:
  • Brittleness is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a special holder, which not only secures them against impacts but also raises their durability
  • When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their power 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
  • They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • Due to limitations in producing threads and complex forms in magnets, we propose using a housing - magnetic holder.
  • Potential hazard related to microscopic parts of magnets are risky, if swallowed, which gains importance in the context of child safety. Additionally, tiny parts of these devices can disrupt the diagnostic process medical in case of swallowing.
  • Due to neodymium price, their price exceeds standard values,

Holding force characteristics

Optimal lifting capacity of a neodymium magnetwhat contributes to it?

Information about lifting capacity is the result of a measurement for the most favorable conditions, including:
  • with the application of a sheet made of low-carbon steel, guaranteeing full magnetic saturation
  • with a thickness minimum 10 mm
  • with a plane free of scratches
  • with direct contact (no paint)
  • for force acting at a right angle (in the magnet axis)
  • at standard ambient temperature

Determinants of practical lifting force of a magnet

Please note that the magnet holding will differ influenced by the following factors, starting with the most relevant:
  • Gap (betwixt the magnet and the plate), since even a tiny clearance (e.g. 0.5 mm) results in a reduction in force by up to 50% (this also applies to paint, rust or debris).
  • Force direction – catalog parameter refers to detachment vertically. When attempting to slide, the magnet holds significantly lower power (typically approx. 20-30% of nominal force).
  • Base massiveness – too thin plate does not close the flux, causing part of the flux to be lost into the air.
  • Chemical composition of the base – low-carbon steel gives the best results. Higher carbon content lower magnetic properties and holding force.
  • Plate texture – ground elements guarantee perfect abutment, which improves force. Uneven metal weaken the grip.
  • Thermal conditions – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and in frost gain strength (up to a certain limit).

Lifting capacity testing was performed on a smooth plate of optimal thickness, under perpendicular forces, in contrast under parallel forces 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
Warning for heart patients

Warning for patients: Strong magnetic fields affect electronics. Keep minimum 30 cm distance or ask another person to work with the magnets.

Permanent damage

Monitor thermal conditions. Exposing the magnet to high heat will ruin its magnetic structure and pulling force.

Fire warning

Mechanical processing of NdFeB material poses a fire hazard. Magnetic powder oxidizes rapidly with oxygen and is difficult to extinguish.

Immense force

Before use, check safety instructions. Uncontrolled attraction can break the magnet or hurt your hand. Think ahead.

Threat to navigation

Navigation devices and mobile phones are highly sensitive to magnetic fields. Close proximity with a strong magnet can permanently damage the sensors in your phone.

Product not for children

These products are not suitable for play. Swallowing a few magnets may result in them attracting across intestines, which poses a direct threat to life and requires immediate surgery.

Magnets are brittle

NdFeB magnets are sintered ceramics, which means they are prone to chipping. Clashing of two magnets will cause them cracking into small pieces.

Crushing risk

Big blocks can smash fingers instantly. Do not put your hand betwixt two attracting surfaces.

Protect data

Powerful magnetic fields can corrupt files on credit cards, HDDs, and storage devices. Maintain a gap of at least 10 cm.

Nickel coating and allergies

Allergy Notice: The Ni-Cu-Ni coating consists of nickel. If redness occurs, cease handling magnets and use protective gear.

Warning! More info about risks in the article: Safety of working with magnets.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98