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MPL 20x10x5 / N38 - lamellar magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: PLN 1-6500
Rating: 5

lamellar magnet

Catalog no 020128

GTIN/EAN: 5906301811343

5.00

length

20 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

7.5 g

Magnetization Direction

↑ axial

Load capacity

6.15 kg / 60.31 N

Magnetic Induction

349.47 mT / 3495 Gs

Coating

[NiCuNi] Nickel

technical details »

4.54 ZŁ with VAT / pcs + price for transport

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Technical of the product - MPL 20x10x5 / N38 - lamellar magnet

Specification / characteristics - MPL 20x10x5 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020128
GTIN/EAN	5906301811343
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	20 mm [±0,1 mm]
Width	10 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	7.5 g
Magnetization Direction	↑ axial
Load capacity ~ ?	6.15 kg / 60.31 N
Magnetic Induction ~ ?	349.47 mT / 3495 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 20x10x5 / 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

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 analysis of the magnet - technical parameters

These data constitute the direct effect of a mathematical calculation. Results were calculated on models for the material Nd₂Fe₁₄B. Actual performance may differ. Use these data as a supplementary guide during assembly planning.

Table 1: Static force (pull vs gap) - characteristics
MPL 20x10x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	3493 Gs 349.3 mT	6.15 kg / 13.56 pounds 6150.0 g / 60.3 N	warning
1 mm	3035 Gs 303.5 mT	4.64 kg / 10.23 pounds 4641.8 g / 45.5 N	warning
2 mm	2558 Gs 255.8 mT	3.30 kg / 7.27 pounds 3298.0 g / 32.4 N	warning
3 mm	2120 Gs 212.0 mT	2.26 kg / 4.99 pounds 2264.8 g / 22.2 N	warning
5 mm	1433 Gs 143.3 mT	1.03 kg / 2.28 pounds 1034.5 g / 10.1 N	safe
10 mm	574 Gs 57.4 mT	0.17 kg / 0.37 pounds 166.1 g / 1.6 N	safe
15 mm	267 Gs 26.7 mT	0.04 kg / 0.08 pounds 35.9 g / 0.4 N	safe
20 mm	141 Gs 14.1 mT	0.01 kg / 0.02 pounds 10.1 g / 0.1 N	safe
30 mm	52 Gs 5.2 mT	0.00 kg / 0.00 pounds 1.4 g / 0.0 N	safe
50 mm	13 Gs 1.3 mT	0.00 kg / 0.00 pounds 0.1 g / 0.0 N	safe

Grip strength drops drastically per each millimeter of gap. Note that even a microscopic distance (e.g., contamination, varnish, dust) significantly weakens the grip. Magnets operate strongest at the point of direct contact; air break kills the force. Notice how quickly the parameters plummet, when the product does not touch flatly to the steel surface. When planning the mounting, discard unnecessary gaps.

Table 2: Slippage force (wall)
MPL 20x10x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	1.23 kg / 2.71 pounds 1230.0 g / 12.1 N
1 mm	Stal (~0.2)	0.93 kg / 2.05 pounds 928.0 g / 9.1 N
2 mm	Stal (~0.2)	0.66 kg / 1.46 pounds 660.0 g / 6.5 N
3 mm	Stal (~0.2)	0.45 kg / 1.00 pounds 452.0 g / 4.4 N
5 mm	Stal (~0.2)	0.21 kg / 0.45 pounds 206.0 g / 2.0 N
10 mm	Stal (~0.2)	0.03 kg / 0.07 pounds 34.0 g / 0.3 N
15 mm	Stal (~0.2)	0.01 kg / 0.02 pounds 8.0 g / 0.1 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 2.0 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

The table below indicates the approximate shear load needed to initiate the sliding of the magnet downwards against a vertical metal surface (assuming standard friction coefficient). This parameter is relative to the air gap between the magnet and the metal.

Table 3: Vertical assembly (sliding) - vertical pull
MPL 20x10x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	1.85 kg / 4.07 pounds 1845.0 g / 18.1 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.23 kg / 2.71 pounds 1230.0 g / 12.1 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.62 kg / 1.36 pounds 615.0 g / 6.0 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	3.08 kg / 6.78 pounds 3075.0 g / 30.2 N

When hanging a element on a upright surface (e.g., a car body), it will only hold only approx. 20%-30% of its maximum pull force. Gravity and a weak degree of grip cause that holders slip faster than they pop off the substrate. Planning a vertical fastening? Consider that the sliding force is significantly lower than the maximum static pull force. On a slippery surface, the magnet will slide down under a much lighter weight. Utilizing a rubberized coating can effectively increase the grip.

Table 4: Material efficiency (substrate influence) - power losses
MPL 20x10x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.62 kg / 1.36 pounds 615.0 g / 6.0 N
1 mm	25%	1.54 kg / 3.39 pounds 1537.5 g / 15.1 N
2 mm	50%	3.08 kg / 6.78 pounds 3075.0 g / 30.2 N
3 mm	75%	4.61 kg / 10.17 pounds 4612.5 g / 45.2 N
5 mm	100%	6.15 kg / 13.56 pounds 6150.0 g / 60.3 N
10 mm	100%	6.15 kg / 13.56 pounds 6150.0 g / 60.3 N
11 mm	100%	6.15 kg / 13.56 pounds 6150.0 g / 60.3 N
12 mm	100%	6.15 kg / 13.56 pounds 6150.0 g / 60.3 N

A thin metal plate is incapable of absorb the full magnetic flux, which weakens actual performance of the magnet. If you attach a powerful product to a thin surface, the flux will pass right through and the holding will be smaller. To achieve full efficiency of this magnet's potential, you require a sufficiently solid backing of steel. The saturation phenomenon means that on sheet metal structures (e.g., thin profiles), the holder shows lower pull force. We recommend selecting the steel thickness according to the table below.

Table 5: Working in heat (material behavior) - power drop
MPL 20x10x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	6.15 kg / 13.56 pounds 6150.0 g / 60.3 N	OK
40 °C	-2.2%	6.01 kg / 13.26 pounds 6014.7 g / 59.0 N	OK
60 °C	-4.4%	5.88 kg / 12.96 pounds 5879.4 g / 57.7 N
80 °C	-6.6%	5.74 kg / 12.66 pounds 5744.1 g / 56.3 N
100 °C	-28.8%	4.38 kg / 9.65 pounds 4378.8 g / 43.0 N

Standard neodymium magnets change their properties parameters above the temperature limit. Protect against heat – high temperature can irreversibly damage this magnet. As the temperature rises, the neodymium's capacity temporarily drops. Avoid using this magnet near heat sources higher than its safe range. Exceeding the critical threshold will lead to permanent loss of magnetism.

*Technical advisory: Temperature resistance is determined by both grade, as well as the dimension ratios. Flat magnets (pancake types) risk losing magnetic properties sooner compared to rod magnets. Red status in the table indicates a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 20x10x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	15.04 kg / 33.17 pounds 4 923 Gs	2.26 kg / 4.98 pounds 2257 g / 22.1 N	N/A
1 mm	13.20 kg / 29.11 pounds 6 544 Gs	1.98 kg / 4.37 pounds 1980 g / 19.4 N	11.88 kg / 26.19 pounds ~0 Gs
2 mm	11.36 kg / 25.03 pounds 6 069 Gs	1.70 kg / 3.76 pounds 1703 g / 16.7 N	10.22 kg / 22.53 pounds ~0 Gs
3 mm	9.63 kg / 21.22 pounds 5 588 Gs	1.44 kg / 3.18 pounds 1444 g / 14.2 N	8.66 kg / 19.10 pounds ~0 Gs
5 mm	6.71 kg / 14.78 pounds 4 664 Gs	1.01 kg / 2.22 pounds 1006 g / 9.9 N	6.03 kg / 13.30 pounds ~0 Gs
10 mm	2.53 kg / 5.58 pounds 2 865 Gs	0.38 kg / 0.84 pounds 380 g / 3.7 N	2.28 kg / 5.02 pounds ~0 Gs
20 mm	0.41 kg / 0.90 pounds 1 148 Gs	0.06 kg / 0.13 pounds 61 g / 0.6 N	0.37 kg / 0.81 pounds ~0 Gs
50 mm	0.01 kg / 0.02 pounds 165 Gs	0.00 kg / 0.00 pounds 1 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
60 mm	0.00 kg / 0.01 pounds 104 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 69 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 48 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 35 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 26 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs

Two magnetic products attract each other from a wider radius than a magnet and sheet setup. The connection of two magnets creates a more powerful interaction and a wider radius of performance. Designing a strong closure? Utilize two neodymiums instead of one magnet and a striker plate. Be careful that when attracting two neodymiums, the impact force is huge. The levitation is a bit weaker than the connection force, but still impressive.
*The magnetic induction in repulsion mode is approximately ~0 Gs at the geometric center of the gap (resulting from vector opposition).
* Figures demonstrate sliding force of dual matching magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Safety (HSE) (electronics) - warnings
MPL 20x10x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	7.5 cm
Hearing aid	10 Gs (1.0 mT)	6.0 cm
Timepiece	20 Gs (2.0 mT)	4.5 cm
Mobile device	40 Gs (4.0 mT)	3.5 cm
Car key	50 Gs (5.0 mT)	3.5 cm
Payment card	400 Gs (40.0 mT)	1.5 cm
HDD hard drive	600 Gs (60.0 mT)	1.0 cm

A strong magnetic field is a large risk to electronics as well as medical implants. These NdFeB products produce a flux that disrupts operation of sensitive medical devices. Notice: the unseen radiation passes through tissues and housings. Special caution must be taken by people with cochlear implants and insulin pumps. Influence will be felt by: automatic timepieces, car keys, speakers, and displays. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (cracking risk) - warning
MPL 20x10x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	29.36 km/h (8.16 m/s)	0.25 J
30 mm	50.03 km/h (13.90 m/s)	0.72 J
50 mm	64.58 km/h (17.94 m/s)	1.21 J
100 mm	91.32 km/h (25.37 m/s)	2.41 J

Neodymium magnets are delicate – a collision with steel risks their cracking. Control the attraction moment – a magnet released freely speeds with massive force. Striking energy can destroy the magnet or painful pinches to fingers. Always hold the magnet during mounting so it doesn't hit violently against the steel surface. A contact at a velocity of dozens of km/h ends with a crack of the magnet. Wear safety glasses when playing with large magnets.

Table 9: Corrosion resistance
MPL 20x10x5 / 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)

Neodymium magnets are highly susceptible to corrosion without proper protection. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Electrical data (P_c)
MPL 20x10x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	7 031 Mx	70.3 µWb
P_c Coefficient	0.42	Low (Flat)

Total magnetic flux emitted by the magnet pole. Key data for generator designers and motors. P_c value determines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MPL 20x10x5 / N38

Environment	Effective steel pull	Effect
Air (land)	6.15 kg	Standard
Water (riverbed)	7.04 kg (+0.89 kg buoyancy gain)	+14.5%

Warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.

Water displaces steel, making heavy objects slightly lighter. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Wall mount (shear)

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

2. Steel thickness impact

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

3. Heat tolerance

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.42

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 P_c (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 P_c 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%

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: 020128-2026

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This product is a very powerful magnet in the shape of a plate made of NdFeB material, which, with dimensions of 20x10x5 mm and a weight of 7.5 g, guarantees premium class connection. As a magnetic bar with high power (approx. 6.15 kg), this product is available immediately from our warehouse in Poland. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.

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. To separate the MPL 20x10x5 / 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. Never use metal tools for prying, as the brittle NdFeB material may chip and damage your eyes.

Plate magnets MPL 20x10x5 / 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. 6.15 kg), they are ideal as hidden locks in furniture making and mounting elements in automation. Customers often choose this model for workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.

Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. 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. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.

The presented product is a neodymium magnet with precisely defined parameters: 20 mm (length), 10 mm (width), and 5 mm (thickness). It is a magnetic block with dimensions 20x10x5 mm and a self-weight of 7.5 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Strengths as well as weaknesses of Nd₂Fe₁₄B magnets.

Pros

Apart from their strong magnetism, neodymium magnets have these key benefits:

Their magnetic field remains stable, and after approximately ten years it decreases only by ~1% (theoretically),
They are extremely resistant to demagnetization induced by external magnetic fields,
A magnet with a metallic silver surface has an effective appearance,
Magnets are distinguished by huge magnetic induction on the outer side,
Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
Thanks to modularity in forming and the ability to customize to individual projects,
Significant place in modern technologies – they find application in computer drives, electric drive systems, precision medical tools, and other advanced devices.
Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Disadvantages

Disadvantages of NdFeB magnets:

At very strong impacts they can crack, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
Neodymium magnets decrease their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
They rust in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
Due to limitations in realizing nuts and complex forms in magnets, we propose using cover - magnetic mechanism.
Health risk to health – tiny shards of magnets can be dangerous, in case of ingestion, which becomes key in the context of child safety. It is also worth noting that tiny parts of these devices can disrupt the diagnostic process medical when they are in the body.
With mass production the cost of neodymium magnets is economically unviable,

Holding force characteristics

Maximum holding power of the magnet – what contributes to it?

Information about lifting capacity was determined for the most favorable conditions, taking into account:

on a plate made of mild steel, effectively closing the magnetic field
whose transverse dimension equals approx. 10 mm
with an ideally smooth contact surface
with total lack of distance (without paint)
under perpendicular force vector (90-degree angle)
in stable room temperature

What influences lifting capacity in practice

In practice, the real power is determined by a number of factors, presented from most significant:

Air gap (betwixt the magnet and the metal), as even a microscopic distance (e.g. 0.5 mm) results in a decrease in lifting capacity by up to 50% (this also applies to paint, rust or dirt).
Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the nominal value.
Substrate thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
Steel grade – the best choice is pure iron steel. Stainless steels may generate lower lifting capacity.
Surface condition – smooth surfaces ensure maximum contact, which improves force. Uneven metal weaken the grip.
Thermal factor – hot environment weakens pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.

Lifting capacity was measured using a steel plate with a smooth surface of optimal thickness (min. 20 mm), under vertically applied force, however under attempts to slide the magnet the load capacity is reduced by as much as fivefold. Additionally, even a slight gap between the magnet’s surface and the plate decreases the lifting capacity.

Precautions when working with NdFeB magnets

Nickel coating and allergies

Studies show that nickel (the usual finish) is a potent allergen. If your skin reacts to metals, avoid touching magnets with bare hands or choose versions in plastic housing.

Pinching danger

Risk of injury: The attraction force is so great that it can result in hematomas, pinching, and even bone fractures. Use thick gloves.

Handling rules

Use magnets with awareness. Their powerful strength can shock even professionals. Plan your moves and respect their power.

Magnetic interference

Remember: rare earth magnets generate a field that confuses precision electronics. Maintain a safe distance from your phone, device, and navigation systems.

Magnets are brittle

Despite metallic appearance, neodymium is brittle and cannot withstand shocks. Do not hit, as the magnet may crumble into sharp, dangerous pieces.

Implant safety

People with a heart stimulator must maintain an safe separation from magnets. The magnetism can interfere with the operation of the life-saving device.

Product not for children

NdFeB magnets are not toys. Eating several magnets may result in them attracting across intestines, which constitutes a direct threat to life and requires urgent medical intervention.

Combustion hazard

Combustion risk: Rare earth powder is highly flammable. Do not process magnets without safety gear as this may cause fire.

Demagnetization risk

Standard neodymium magnets (grade N) undergo demagnetization when the temperature surpasses 80°C. This process is irreversible.

Threat to electronics

Do not bring magnets close to a purse, laptop, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.

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

MPL 20x10x5 / N38 - lamellar magnet

Technical of the product - MPL 20x10x5 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical analysis of the magnet - technical parameters

Table 1: Static force (pull vs gap) - characteristics MPL 20x10x5 / N38

Table 2: Slippage force (wall) MPL 20x10x5 / N38

Table 3: Vertical assembly (sliding) - vertical pull MPL 20x10x5 / N38

Table 4: Material efficiency (substrate influence) - power losses MPL 20x10x5 / N38

Table 5: Working in heat (material behavior) - power drop MPL 20x10x5 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system MPL 20x10x5 / N38

Table 7: Safety (HSE) (electronics) - warnings MPL 20x10x5 / N38

Table 8: Impact energy (cracking risk) - warning MPL 20x10x5 / N38

Table 9: Corrosion resistance MPL 20x10x5 / N38

Table 10: Electrical data (Pc) MPL 20x10x5 / N38

Table 11: Hydrostatics and buoyancy MPL 20x10x5 / N38

1. Wall mount (shear)

2. Steel thickness impact

3. Heat tolerance

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

Chemical composition

Sustainability

Force (pull)

Field Strength

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Strengths as well as weaknesses of Nd2Fe14B magnets.

Pros

Disadvantages

Holding force characteristics

Maximum holding power of the magnet – what contributes to it?

What influences lifting capacity in practice

Precautions when working with NdFeB magnets

Nickel coating and allergies

Pinching danger

Handling rules

Magnetic interference

Magnets are brittle

Implant safety

Product not for children

Combustion hazard

Demagnetization risk

Threat to electronics

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs gap) - characteristics
MPL 20x10x5 / N38

Table 2: Slippage force (wall)
MPL 20x10x5 / N38

Table 3: Vertical assembly (sliding) - vertical pull
MPL 20x10x5 / N38

Table 4: Material efficiency (substrate influence) - power losses
MPL 20x10x5 / N38

Table 5: Working in heat (material behavior) - power drop
MPL 20x10x5 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 20x10x5 / N38

Table 7: Safety (HSE) (electronics) - warnings
MPL 20x10x5 / N38

Table 8: Impact energy (cracking risk) - warning
MPL 20x10x5 / N38

Table 9: Corrosion resistance
MPL 20x10x5 / N38

Table 10: Electrical data (P_c)
MPL 20x10x5 / N38

Table 11: Hydrostatics and buoyancy
MPL 20x10x5 / N38

Strengths as well as weaknesses of Nd₂Fe₁₄B magnets.