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MPL 30x20x5 / 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 020143

GTIN/EAN: 5906301811497

5.00

length

30 mm [±0,1 mm]

Width

20 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

22.5 g

Magnetization Direction

↑ axial

Load capacity

8.86 kg / 86.90 N

Magnetic Induction

220.03 mT / 2200 Gs

Coating

[NiCuNi] Nickel

technical specifications »

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Physical properties - MPL 30x20x5 / N38 - lamellar magnet

Specification / characteristics - MPL 30x20x5 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020143
GTIN/EAN	5906301811497
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	30 mm [±0,1 mm]
Width	20 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	22.5 g
Magnetization Direction	↑ axial
Load capacity ~ ?	8.86 kg / 86.90 N
Magnetic Induction ~ ?	220.03 mT / 2200 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 30x20x5 / 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 simulation of the magnet - report

These values are the outcome of a engineering simulation. Results rely on models for the material Nd₂Fe₁₄B. Real-world conditions might slightly differ. Treat these calculations as a preliminary roadmap during assembly planning.

Table 1: Static force (pull vs gap) - power drop
MPL 30x20x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	2200 Gs 220.0 mT	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N	medium risk
1 mm	2092 Gs 209.2 mT	8.01 kg / 17.67 lbs 8013.9 g / 78.6 N	medium risk
2 mm	1961 Gs 196.1 mT	7.04 kg / 15.53 lbs 7042.1 g / 69.1 N	medium risk
3 mm	1817 Gs 181.7 mT	6.04 kg / 13.32 lbs 6041.8 g / 59.3 N	medium risk
5 mm	1516 Gs 151.6 mT	4.21 kg / 9.28 lbs 4209.6 g / 41.3 N	medium risk
10 mm	892 Gs 89.2 mT	1.46 kg / 3.21 lbs 1456.2 g / 14.3 N	weak grip
15 mm	519 Gs 51.9 mT	0.49 kg / 1.09 lbs 492.4 g / 4.8 N	weak grip
20 mm	313 Gs 31.3 mT	0.18 kg / 0.40 lbs 179.8 g / 1.8 N	weak grip
30 mm	132 Gs 13.2 mT	0.03 kg / 0.07 lbs 31.9 g / 0.3 N	weak grip
50 mm	37 Gs 3.7 mT	0.00 kg / 0.01 lbs 2.5 g / 0.0 N	weak grip

Magnetic force decreases significantly with every mm of distance. Remember that even a very thin break (e.g., contamination, paint, veneer) strongly diminishes the holding power. Neodymiums operate most effectively during direct contact; gap weakens the force. Notice how quickly the pull force plummet, when the product does not touch tightly to the steel surface. When calculating the assembly, eliminate redundant distances.

Table 2: Vertical load (vertical surface)
MPL 30x20x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	1.77 kg / 3.91 lbs 1772.0 g / 17.4 N
1 mm	Stal (~0.2)	1.60 kg / 3.53 lbs 1602.0 g / 15.7 N
2 mm	Stal (~0.2)	1.41 kg / 3.10 lbs 1408.0 g / 13.8 N
3 mm	Stal (~0.2)	1.21 kg / 2.66 lbs 1208.0 g / 11.9 N
5 mm	Stal (~0.2)	0.84 kg / 1.86 lbs 842.0 g / 8.3 N
10 mm	Stal (~0.2)	0.29 kg / 0.64 lbs 292.0 g / 2.9 N
15 mm	Stal (~0.2)	0.10 kg / 0.22 lbs 98.0 g / 1.0 N
20 mm	Stal (~0.2)	0.04 kg / 0.08 lbs 36.0 g / 0.4 N
30 mm	Stal (~0.2)	0.01 kg / 0.01 lbs 6.0 g / 0.1 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N

This section indicates the estimated shear load sufficient to initiate the downward movement of the magnet vertically along a upright steel wall (assuming typical friction). This parameter is relative to the air gap between the magnet and the surface.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 30x20x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	2.66 kg / 5.86 lbs 2658.0 g / 26.1 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.77 kg / 3.91 lbs 1772.0 g / 17.4 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.89 kg / 1.95 lbs 886.0 g / 8.7 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	4.43 kg / 9.77 lbs 4430.0 g / 43.5 N

When placing a element on a upright wall (e.g., a board), it you can count on only approx. 1/5 of nominal attraction strength. Gravity as well as a weak degree of grip cause that products slip faster than they detach. Planning a vertical fastening? Remember that the sliding force is noticeably lower than the perpendicular breakaway force. On a smooth steel, the element will slide down under a much lighter weight. Utilizing a rubberized pad can effectively improve the result.

Table 4: Steel thickness (saturation) - power losses
MPL 30x20x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.89 kg / 1.95 lbs 886.0 g / 8.7 N
1 mm	25%	2.22 kg / 4.88 lbs 2215.0 g / 21.7 N
2 mm	50%	4.43 kg / 9.77 lbs 4430.0 g / 43.5 N
3 mm	75%	6.65 kg / 14.65 lbs 6645.0 g / 65.2 N
5 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N
10 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N
11 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N
12 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N

A thin metal plate cannot absorb the full magnetic flux, which wastes potential of the magnet. If you mount a strong magnet to a too thin substrate, the field will penetrate right through and the holding will be smaller. To squeeze full efficiency of this magnet's power, you need a suitably thick piece of steel. The saturation effect causes that on thin elements (e.g., appliance housings), the product holds weaker. We advise picking the steel cross-section according to the table below.

Table 5: Thermal stability (stability) - resistance threshold
MPL 30x20x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N	OK
40 °C	-2.2%	8.67 kg / 19.10 lbs 8665.1 g / 85.0 N	OK
60 °C	-4.4%	8.47 kg / 18.67 lbs 8470.2 g / 83.1 N
80 °C	-6.6%	8.28 kg / 18.24 lbs 8275.2 g / 81.2 N
100 °C	-28.8%	6.31 kg / 13.91 lbs 6308.3 g / 61.9 N

Standard neodymium magnets change their properties strength past the thermal threshold. Avoid high temperatures – excessive heat can irreversibly damage this product. With every degree above norm, the magnet's power briefly decreases. Do not use this product in hot environments exceeding its safe range. Exceeding the critical threshold will cause permanent loss of magnetism.

*Technical advisory: Heat tolerance depends not only on the material grade, as well as the dimension ratios. Thin magnets (pancake types) are more susceptible to demagnetization sooner than long magnets. Warning indicator in the table signals permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - forces in the system
MPL 30x20x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	17.90 kg / 39.47 lbs 3 715 Gs	2.69 kg / 5.92 lbs 2685 g / 26.3 N	N/A
1 mm	17.10 kg / 37.69 lbs 4 300 Gs	2.56 kg / 5.65 lbs 2565 g / 25.2 N	15.39 kg / 33.92 lbs ~0 Gs
2 mm	16.19 kg / 35.70 lbs 4 184 Gs	2.43 kg / 5.35 lbs 2429 g / 23.8 N	14.57 kg / 32.13 lbs ~0 Gs
3 mm	15.23 kg / 33.57 lbs 4 058 Gs	2.28 kg / 5.04 lbs 2284 g / 22.4 N	13.71 kg / 30.22 lbs ~0 Gs
5 mm	13.22 kg / 29.14 lbs 3 780 Gs	1.98 kg / 4.37 lbs 1982 g / 19.4 N	11.89 kg / 26.22 lbs ~0 Gs
10 mm	8.51 kg / 18.75 lbs 3 033 Gs	1.28 kg / 2.81 lbs 1276 g / 12.5 N	7.66 kg / 16.88 lbs ~0 Gs
20 mm	2.94 kg / 6.49 lbs 1 784 Gs	0.44 kg / 0.97 lbs 441 g / 4.3 N	2.65 kg / 5.84 lbs ~0 Gs
50 mm	0.15 kg / 0.32 lbs 398 Gs	0.02 kg / 0.05 lbs 22 g / 0.2 N	0.13 kg / 0.29 lbs ~0 Gs
60 mm	0.06 kg / 0.14 lbs 264 Gs	0.01 kg / 0.02 lbs 10 g / 0.1 N	0.06 kg / 0.13 lbs ~0 Gs
70 mm	0.03 kg / 0.07 lbs 183 Gs	0.00 kg / 0.01 lbs 5 g / 0.0 N	0.03 kg / 0.06 lbs ~0 Gs
80 mm	0.02 kg / 0.04 lbs 131 Gs	0.00 kg / 0.01 lbs 2 g / 0.0 N	0.01 kg / 0.03 lbs ~0 Gs
90 mm	0.01 kg / 0.02 lbs 97 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
100 mm	0.00 kg / 0.01 lbs 73 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two magnetic products interact from a wider radius than a magnet and steel combination. The connection of two magnets produces a massive flux and a wider radius of performance. Designing a solid fastener? Apply two magnets instead of one magnet and a striker plate. Exercise caution that when connecting a pair of magnets, the pinch force is huge. The repulsion force is slightly lower than the connection force, but still impressive.
*Flux density for N-N configuration drops to ~0 Gs at the midpoint of the gap (due to field cancellation).
Note: Figures show friction force of two same neodymium magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Hazards (implants) - warnings
MPL 30x20x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	10.5 cm
Hearing aid	10 Gs (1.0 mT)	8.5 cm
Timepiece	20 Gs (2.0 mT)	6.5 cm
Mobile device	40 Gs (4.0 mT)	5.0 cm
Remote	50 Gs (5.0 mT)	4.5 cm
Payment card	400 Gs (40.0 mT)	2.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

Extremely neodym field is a serious hazard to electronics as well as pacemakers. These neodymiums generate a field that prevents correct functioning of sensitive medical devices. Be aware: the unseen radiation penetrates the body and housings. Increased vigilance must be taken by people with cochlear implants and drug dispensers. Also at risk are: automatic timepieces, remotes, speakers, and displays. Avoid contact with magnetic cards, hard drives, or sensitive navigation tools.

Table 8: Collisions (kinetic energy) - collision effects
MPL 30x20x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	21.97 km/h (6.10 m/s)	0.42 J
30 mm	34.74 km/h (9.65 m/s)	1.05 J
50 mm	44.76 km/h (12.43 m/s)	1.74 J
100 mm	63.29 km/h (17.58 m/s)	3.48 J

NdFeB products are prone to chipping – a collision with steel risks their cracking. Watch the impact speed – a magnet released freely turns into a projectile. Kinetic force can destroy the magnet or injury to fingers. Hold the magnet firmly during mounting so it doesn't slam with momentum against the steel surface. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Wear eye protection when playing with large magnets.

Table 9: Surface protection spec
MPL 30x20x5 / 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)

For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Note the thickness of the protective layer.

Table 10: Construction data (Flux)
MPL 30x20x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	14 969 Mx	149.7 µWb
P_c Coefficient	0.26	Low (Flat)

Flux value emitted by the pole surface. Essential parameter in coil applications and motors. The P_c coefficient determines the magnet's operating point.

Table 11: Submerged application
MPL 30x20x5 / N38

Environment	Effective steel pull	Effect
Air (land)	8.86 kg	Standard
Water (riverbed)	10.14 kg (+1.28 kg buoyancy gain)	+14.5%

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

In water, the magnet feels stronger thanks to Archimedes' principle. Buoyancy helps in lifting finds.

1. Wall mount (shear)

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

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC case) drastically limits the holding force.

3. Thermal stability

*For N38 material, the max working temp is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.26

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 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 and environmental data

Material specification

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%

Environmental data

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: 020143-2026

Quick Unit Converter

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Pounds (lbs)

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Just complete one field, and the converter calculate everything else automatically.

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Component MPL 30x20x5 / N38 features a flat shape and industrial pulling force, making it an ideal solution for building separators and machines. As a block magnet with high power (approx. 8.86 kg), this product is available immediately from our warehouse in Poland. 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 30x20x5 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend extreme caution, 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 30x20x5 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. Thanks to the flat surface and high force (approx. 8.86 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 30x20x5 / N38, it is best to use 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 roughen and wash the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.

Standardly, the MPL 30x20x5 / N38 model is magnetized axially (dimension 5 mm), which means that the N and S poles are located on its largest, flat surfaces. 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.

This model is characterized by dimensions 30x20x5 mm, which, at a weight of 22.5 g, makes it an element with impressive energy density. It is a magnetic block with dimensions 30x20x5 mm and a self-weight of 22.5 g, ready to work at temperatures up to 80°C. The protective [NiCuNi] coating secures the magnet against corrosion.

Pros as well as cons of rare earth magnets.

Advantages

Besides their stability, neodymium magnets are valued for these benefits:

They do not lose power, even during nearly 10 years – the decrease in power is only ~1% (theoretically),
Neodymium magnets are distinguished by highly resistant to loss of magnetic properties caused by magnetic disturbances,
In other words, due to the shiny finish of nickel, the element looks attractive,
The surface of neodymium magnets generates a maximum magnetic field – this is a distinguishing feature,
Through (adequate) combination of ingredients, they can achieve high thermal resistance, allowing for action at temperatures reaching 230°C and above...
Possibility of individual modeling and adapting to individual applications,
Universal use in innovative solutions – they are utilized in computer drives, electric drive systems, medical devices, also industrial machines.
Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in small systems

Weaknesses

Disadvantages of neodymium magnets:

To avoid cracks under impact, we recommend using special steel holders. Such a solution protects the magnet and simultaneously improves its durability.
NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
Magnets exposed to a humid environment can corrode. Therefore while using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material protecting against moisture
Due to limitations in realizing threads and complicated forms in magnets, we propose using a housing - magnetic mount.
Potential hazard to health – tiny shards of magnets are risky, when accidentally swallowed, which is particularly important in the context of child safety. It is also worth noting that tiny parts of these products are able to be problematic in diagnostics medical when they are in the body.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Holding force characteristics

Best holding force of the magnet in ideal parameters – what it depends on?

The load parameter shown refers to the maximum value, obtained under optimal environment, meaning:

using a sheet made of high-permeability steel, serving as a magnetic yoke
possessing a thickness of minimum 10 mm to avoid saturation
with a surface cleaned and smooth
without any air gap between the magnet and steel
for force acting at a right angle (pull-off, not shear)
at conditions approx. 20°C

Lifting capacity in real conditions – factors

In practice, the real power depends on several key aspects, listed from the most important:

Air gap (between the magnet and the plate), because even a tiny distance (e.g. 0.5 mm) leads to a drastic drop in lifting capacity by up to 50% (this also applies to paint, rust or debris).
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.
Wall thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of generating force.
Steel type – mild steel attracts best. Alloy admixtures decrease magnetic properties and lifting capacity.
Surface condition – smooth surfaces ensure maximum contact, which improves field saturation. Uneven metal reduce efficiency.
Heat – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and in frost gain strength (up to a certain limit).

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the lifting capacity is smaller. Moreover, even a small distance between the magnet and the plate decreases the lifting capacity.

Safety rules for work with NdFeB magnets

Keep away from computers

Device Safety: Strong magnets can damage payment cards and sensitive devices (heart implants, medical aids, mechanical watches).

Do not drill into magnets

Powder produced during grinding of magnets is flammable. Avoid drilling into magnets unless you are an expert.

Material brittleness

Neodymium magnets are sintered ceramics, meaning they are very brittle. Collision of two magnets will cause them shattering into shards.

Bodily injuries

Danger of trauma: The attraction force is so immense that it can cause blood blisters, crushing, and even bone fractures. Use thick gloves.

Impact on smartphones

Be aware: neodymium magnets produce a field that confuses sensitive sensors. Keep a separation from your phone, device, and GPS.

Respect the power

Before use, check safety instructions. Uncontrolled attraction can destroy the magnet or hurt your hand. Be predictive.

Pacemakers

For implant holders: Powerful magnets affect electronics. Maintain at least 30 cm distance or request help to work with the magnets.

No play value

Neodymium magnets are not intended for children. Eating a few magnets can lead to them connecting inside the digestive tract, which poses a critical condition and necessitates immediate surgery.

Sensitization to coating

Studies show that the nickel plating (standard magnet coating) is a common allergen. If your skin reacts to metals, refrain from direct skin contact or choose encased magnets.

Thermal limits

Control the heat. Heating the magnet to high heat will ruin its magnetic structure and strength.

Warning! More info about hazards in the article: Magnet Safety Guide.

MPL 30x20x5 / N38 - lamellar magnet

Physical properties - MPL 30x20x5 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical simulation of the magnet - report

Table 1: Static force (pull vs gap) - power drop MPL 30x20x5 / N38

Table 2: Vertical load (vertical surface) MPL 30x20x5 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces MPL 30x20x5 / N38

Table 4: Steel thickness (saturation) - power losses MPL 30x20x5 / N38

Table 5: Thermal stability (stability) - resistance threshold MPL 30x20x5 / N38

Table 6: Magnet-Magnet interaction (attraction) - forces in the system MPL 30x20x5 / N38

Table 7: Hazards (implants) - warnings MPL 30x20x5 / N38

Table 8: Collisions (kinetic energy) - collision effects MPL 30x20x5 / N38

Table 9: Surface protection spec MPL 30x20x5 / N38

Table 10: Construction data (Flux) MPL 30x20x5 / N38

Table 11: Submerged application MPL 30x20x5 / N38

1. Wall mount (shear)

2. Plate thickness effect

3. Thermal stability

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

Material specification

Environmental data

Magnet pull force

Magnetic Field

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Pros as well as cons of rare earth magnets.

Advantages

Weaknesses

Holding force characteristics

Best holding force of the magnet in ideal parameters – what it depends on?

Lifting capacity in real conditions – factors

Safety rules for work with NdFeB magnets

Keep away from computers

Do not drill into magnets

Material brittleness

Bodily injuries

Impact on smartphones

Respect the power

Pacemakers

No play value

Sensitization to coating

Thermal limits

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs gap) - power drop
MPL 30x20x5 / N38

Table 2: Vertical load (vertical surface)
MPL 30x20x5 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 30x20x5 / N38

Table 4: Steel thickness (saturation) - power losses
MPL 30x20x5 / N38

Table 5: Thermal stability (stability) - resistance threshold
MPL 30x20x5 / N38

Table 6: Magnet-Magnet interaction (attraction) - forces in the system
MPL 30x20x5 / N38

Table 7: Hazards (implants) - warnings
MPL 30x20x5 / N38

Table 8: Collisions (kinetic energy) - collision effects
MPL 30x20x5 / N38

Table 9: Surface protection spec
MPL 30x20x5 / N38

Table 10: Construction data (Flux)
MPL 30x20x5 / N38

Table 11: Submerged application
MPL 30x20x5 / N38