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MPL 45x25x10 / 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 020164

GTIN/EAN: 5906301811701

5.00

length

45 mm [±0,1 mm]

Width

25 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

84.38 g

Magnetization Direction

↑ axial

Load capacity

28.48 kg / 279.40 N

Magnetic Induction

306.29 mT / 3063 Gs

Coating

[NiCuNi] Nickel

see specifications »

35.01 ZŁ with VAT / pcs + price for transport

28.46 ZŁ net + 23% VAT / pcs

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Technical - MPL 45x25x10 / N38 - lamellar magnet

Specification / characteristics - MPL 45x25x10 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020164
GTIN/EAN	5906301811701
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	45 mm [±0,1 mm]
Width	25 mm [±0,1 mm]
Height	10 mm [±0,1 mm]
Weight	84.38 g
Magnetization Direction	↑ axial
Load capacity ~ ?	28.48 kg / 279.40 N
Magnetic Induction ~ ?	306.29 mT / 3063 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 45x25x10 / 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 modeling of the magnet - data

These information constitute the result of a engineering simulation. Results are based on models for the class Nd₂Fe₁₄B. Real-world parameters might slightly differ from theoretical values. Treat these data as a reference point during assembly planning.

Table 1: Static pull force (pull vs gap) - characteristics
MPL 45x25x10 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	3062 Gs 306.2 mT	28.48 kg / 62.79 LBS 28480.0 g / 279.4 N	dangerous!
1 mm	2918 Gs 291.8 mT	25.86 kg / 57.00 LBS 25856.7 g / 253.7 N	dangerous!
2 mm	2760 Gs 276.0 mT	23.13 kg / 51.00 LBS 23133.2 g / 226.9 N	dangerous!
3 mm	2595 Gs 259.5 mT	20.45 kg / 45.08 LBS 20449.5 g / 200.6 N	dangerous!
5 mm	2261 Gs 226.1 mT	15.53 kg / 34.23 LBS 15525.8 g / 152.3 N	dangerous!
10 mm	1529 Gs 152.9 mT	7.10 kg / 15.64 LBS 7096.1 g / 69.6 N	medium risk
15 mm	1018 Gs 101.8 mT	3.15 kg / 6.94 LBS 3147.4 g / 30.9 N	medium risk
20 mm	688 Gs 68.8 mT	1.44 kg / 3.17 LBS 1439.4 g / 14.1 N	weak grip
30 mm	340 Gs 34.0 mT	0.35 kg / 0.77 LBS 350.8 g / 3.4 N	weak grip
50 mm	111 Gs 11.1 mT	0.04 kg / 0.08 LBS 37.1 g / 0.4 N	weak grip

Magnetic force decreases sharply per each millimeter of gap. Remember that even the smallest gap (e.g., dirt, varnish, dust) strongly diminishes the holding power. Neodymiums operate most effectively during direct contact; gap nullifies the force. Analyze how quickly the load capacity plummet, when the magnet does not adhere tightly to the steel surface. When planning the assembly, avoid redundant distances.

Table 2: Slippage capacity (wall)
MPL 45x25x10 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	5.70 kg / 12.56 LBS 5696.0 g / 55.9 N
1 mm	Stal (~0.2)	5.17 kg / 11.40 LBS 5172.0 g / 50.7 N
2 mm	Stal (~0.2)	4.63 kg / 10.20 LBS 4626.0 g / 45.4 N
3 mm	Stal (~0.2)	4.09 kg / 9.02 LBS 4090.0 g / 40.1 N
5 mm	Stal (~0.2)	3.11 kg / 6.85 LBS 3106.0 g / 30.5 N
10 mm	Stal (~0.2)	1.42 kg / 3.13 LBS 1420.0 g / 13.9 N
15 mm	Stal (~0.2)	0.63 kg / 1.39 LBS 630.0 g / 6.2 N
20 mm	Stal (~0.2)	0.29 kg / 0.63 LBS 288.0 g / 2.8 N
30 mm	Stal (~0.2)	0.07 kg / 0.15 LBS 70.0 g / 0.7 N
50 mm	Stal (~0.2)	0.01 kg / 0.02 LBS 8.0 g / 0.1 N

The table below indicates the approximate weight limit required to cause the sliding of the magnet downwards against a vertical metal surface (assuming standard friction). This parameter is a function of the air gap between the magnet and the metal.

Table 3: Vertical assembly (sliding) - vertical pull
MPL 45x25x10 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	8.54 kg / 18.84 LBS 8544.0 g / 83.8 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	5.70 kg / 12.56 LBS 5696.0 g / 55.9 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	2.85 kg / 6.28 LBS 2848.0 g / 27.9 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	14.24 kg / 31.39 LBS 14240.0 g / 139.7 N

When mounting a magnet on a vertical wall (e.g., a fridge), it you can count on only approx. 20%-30% of nominal attraction strength. Gravity as well as a low friction coefficient mean that products slip easier than they detach. Designing a wall mount? Note that the sliding force is significantly lower than the perpendicular breakaway force. On a painted metal, the holder will give way down under a significantly smaller cargo. Application of an anti-slip layer can significantly increase the grip.

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 45x25x10 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	1.42 kg / 3.14 LBS 1424.0 g / 14.0 N
1 mm	13%	3.56 kg / 7.85 LBS 3560.0 g / 34.9 N
2 mm	25%	7.12 kg / 15.70 LBS 7120.0 g / 69.8 N
3 mm	38%	10.68 kg / 23.55 LBS 10680.0 g / 104.8 N
5 mm	63%	17.80 kg / 39.24 LBS 17800.0 g / 174.6 N
10 mm	100%	28.48 kg / 62.79 LBS 28480.0 g / 279.4 N
11 mm	100%	28.48 kg / 62.79 LBS 28480.0 g / 279.4 N
12 mm	100%	28.48 kg / 62.79 LBS 28480.0 g / 279.4 N

A too thin steel is incapable of conduct the full magnetic flux, which wastes potential of the magnet. Should you mount a strong magnet to a weak sheet, the field will penetrate right through and the pull force will drop sharply. To utilize full efficiency of this magnet's potential, you require a sufficiently solid element of metal. The saturation phenomenon means that on sheet metal structures (e.g., appliance housings), the holder works worse. We recommend selecting the steel dimension from these parameters.

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 45x25x10 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	28.48 kg / 62.79 LBS 28480.0 g / 279.4 N	OK
40 °C	-2.2%	27.85 kg / 61.41 LBS 27853.4 g / 273.2 N	OK
60 °C	-4.4%	27.23 kg / 60.02 LBS 27226.9 g / 267.1 N
80 °C	-6.6%	26.60 kg / 58.64 LBS 26600.3 g / 260.9 N
100 °C	-28.8%	20.28 kg / 44.70 LBS 20277.8 g / 198.9 N

Standard neodymium magnets lose strength above the temperature limit. Watch out for overheating – excessive heat can irreversibly damage this product. As the temperature rises, the magnet's capacity briefly lowers. Avoid using this product near heat sources exceeding its operating temperature limit. Exceeding the critical threshold will lead to irreversible degradation of magnetism.

*Technical advisory: Thermal stability is determined by both grade, as well as the dimension ratios. Low-profile magnets (pancake types) risk losing magnetic properties at lower temperatures compared to rod magnets. The danger warning in the table indicates permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - forces in the system
MPL 45x25x10 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	65.04 kg / 143.40 LBS 4 590 Gs	9.76 kg / 21.51 LBS 9757 g / 95.7 N	N/A
1 mm	62.12 kg / 136.95 LBS 5 985 Gs	9.32 kg / 20.54 LBS 9318 g / 91.4 N	55.91 kg / 123.25 LBS ~0 Gs
2 mm	59.05 kg / 130.19 LBS 5 836 Gs	8.86 kg / 19.53 LBS 8858 g / 86.9 N	53.15 kg / 117.17 LBS ~0 Gs
3 mm	55.95 kg / 123.34 LBS 5 680 Gs	8.39 kg / 18.50 LBS 8392 g / 82.3 N	50.35 kg / 111.01 LBS ~0 Gs
5 mm	49.74 kg / 109.66 LBS 5 356 Gs	7.46 kg / 16.45 LBS 7461 g / 73.2 N	44.77 kg / 98.70 LBS ~0 Gs
10 mm	35.46 kg / 78.17 LBS 4 522 Gs	5.32 kg / 11.73 LBS 5319 g / 52.2 N	31.91 kg / 70.36 LBS ~0 Gs
20 mm	16.21 kg / 35.73 LBS 3 057 Gs	2.43 kg / 5.36 LBS 2431 g / 23.8 N	14.59 kg / 32.16 LBS ~0 Gs
50 mm	1.58 kg / 3.48 LBS 955 Gs	0.24 kg / 0.52 LBS 237 g / 2.3 N	1.42 kg / 3.14 LBS ~0 Gs
60 mm	0.80 kg / 1.77 LBS 680 Gs	0.12 kg / 0.26 LBS 120 g / 1.2 N	0.72 kg / 1.59 LBS ~0 Gs
70 mm	0.43 kg / 0.94 LBS 497 Gs	0.06 kg / 0.14 LBS 64 g / 0.6 N	0.38 kg / 0.85 LBS ~0 Gs
80 mm	0.24 kg / 0.53 LBS 372 Gs	0.04 kg / 0.08 LBS 36 g / 0.4 N	0.22 kg / 0.47 LBS ~0 Gs
90 mm	0.14 kg / 0.31 LBS 284 Gs	0.02 kg / 0.05 LBS 21 g / 0.2 N	0.13 kg / 0.28 LBS ~0 Gs
100 mm	0.08 kg / 0.19 LBS 221 Gs	0.01 kg / 0.03 LBS 13 g / 0.1 N	0.08 kg / 0.17 LBS ~0 Gs

Two magnetic products interact from a much further distance than a magnet and sheet combination. The connection of magnet-to-magnet generates a stronger field and a larger range of performance. Want to build a strong closure? Use a pair of magnets instead of one magnet and a steel. Remember that when bringing together two magnets, the pinch force is huge. The repulsion force is marginally weaker than the attraction, but still impressive.
*The magnetic induction for N-N configuration reaches ~0 Gs in the exact middle of the gap (due to field cancellation).
* Results refer to shear force of two same neodymium magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Hazards (electronics) - precautionary measures
MPL 45x25x10 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	16.0 cm
Hearing aid	10 Gs (1.0 mT)	12.5 cm
Mechanical watch	20 Gs (2.0 mT)	10.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	7.5 cm
Car key	50 Gs (5.0 mT)	7.0 cm
Payment card	400 Gs (40.0 mT)	3.0 cm
HDD hard drive	600 Gs (60.0 mT)	2.5 cm

A strong magnetic field poses a large risk to electronic devices and medical implants. These magnets produce a field that disrupts operation of digital equipment. Remember: the unseen radiation acts through matter and housings. Exceptional care must be taken by people with hearing aids and drug dispensers. Influence will be felt by: automatic timepieces, remotes, membranes, and displays. Do not place the magnet near cards, HDD media, or sensitive navigation tools.

Table 8: Dynamics (kinetic energy) - warning
MPL 45x25x10 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	21.22 km/h (5.89 m/s)	1.47 J
30 mm	32.34 km/h (8.98 m/s)	3.40 J
50 mm	41.46 km/h (11.52 m/s)	5.60 J
100 mm	58.59 km/h (16.28 m/s)	11.18 J

NdFeB products are delicate – a strong collision with metal risks their cracking. Control the attraction moment – a magnet released freely speeds with massive force. Kinetic force can trigger coating fragments or injury to fingers. Always hold the magnet during installation so it doesn't hit violently against the metal. A collision at high speed almost guarantees destruction of the magnet. Use safety goggles when working with powerful specimens.

Table 9: Corrosion resistance
MPL 45x25x10 / 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 SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MPL 45x25x10 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	35 829 Mx	358.3 µWb
P_c Coefficient	0.36	Low (Flat)

Total magnetic flux emitted by the pole surface. Key data when building generators as well as sensors. P_c value defines the working geometry.

Table 11: Physics of underwater searching
MPL 45x25x10 / N38

Environment	Effective steel pull	Effect
Air (land)	28.48 kg	Standard
Water (riverbed)	32.61 kg (+4.13 kg buoyancy gain)	+14.5%

Rust risk: 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. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Wall mount (shear)

*Warning: On a vertical surface, the magnet retains only a fraction of its perpendicular strength.

2. Efficiency vs thickness

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

3. Heat tolerance

*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) = 0.36

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

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: 020164-2026

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This product is an extremely strong magnet in the shape of a plate made of NdFeB material, which, with dimensions of 45x25x10 mm and a weight of 84.38 g, guarantees the highest quality connection. This magnetic block with a force of 279.40 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.

Separating strong flat magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. To separate the MPL 45x25x10 / 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 45x25x10 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. Thanks to the flat surface and high force (approx. 28.48 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 45x25x10 / 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).

Standardly, the MPL 45x25x10 / N38 model is magnetized axially (dimension 10 mm), which means that the N and S poles are located on its largest, flat surfaces. In practice, this means that this magnet has the greatest attraction force on its main planes (45x25 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 45x25x10 mm, which, at a weight of 84.38 g, makes it an element with high energy density. The key parameter here is the holding force amounting to approximately 28.48 kg (force ~279.40 N), which, with such a flat shape, proves the high power of the material. The product meets the standards for N38 grade magnets.

Pros as well as cons of neodymium magnets.

Pros

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

They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (based on calculations),
They possess excellent resistance to weakening of magnetic properties as a result of external fields,
The use of an elegant coating of noble metals (nickel, gold, silver) causes the element to present itself better,
Magnetic induction on the top side of the magnet turns out to be very high,
Through (adequate) combination of ingredients, they can achieve high thermal resistance, allowing for operation at temperatures approaching 230°C and above...
Thanks to freedom in shaping and the capacity to customize to unusual requirements,
Wide application in advanced technology sectors – they are used in HDD drives, motor assemblies, precision medical tools, also modern systems.
Thanks to concentrated force, small magnets offer high operating force, with minimal size,

Disadvantages

What to avoid - cons of neodymium magnets: application proposals

At very strong impacts they can crack, therefore we advise placing them in steel cases. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
Neodymium magnets lose force when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (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 extremely resistant to heat
Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
Due to limitations in creating threads and complex forms in magnets, we recommend using casing - magnetic mechanism.
Health risk resulting from small fragments of magnets pose a threat, if swallowed, which is particularly important in the context of child safety. It is also worth noting that small elements of these magnets are able to be problematic in diagnostics medical after entering the body.
Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Holding force characteristics

Breakaway strength of the magnet in ideal conditions – what affects it?

Breakaway force was defined for the most favorable conditions, taking into account:

using a sheet made of mild steel, serving as a circuit closing element
whose thickness reaches at least 10 mm
characterized by smoothness
under conditions of no distance (surface-to-surface)
under vertical force direction (90-degree angle)
in stable room temperature

What influences lifting capacity in practice

In practice, the actual holding force is determined by a number of factors, listed from crucial:

Gap (betwixt the magnet and the metal), because even a microscopic clearance (e.g. 0.5 mm) can cause a decrease in lifting capacity by up to 50% (this also applies to varnish, corrosion or dirt).
Loading method – catalog parameter refers to detachment vertically. When applying parallel force, the magnet holds much less (typically approx. 20-30% of nominal force).
Base massiveness – insufficiently thick plate causes magnetic saturation, causing part of the flux to be escaped to the other side.
Metal type – different alloys attracts identically. High carbon content weaken the attraction effect.
Surface condition – ground elements ensure maximum contact, which increases force. Rough surfaces weaken the grip.
Thermal factor – high temperature reduces pulling force. Exceeding the limit temperature can permanently damage the magnet.

Lifting capacity was assessed using a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, in contrast under parallel forces the lifting capacity is smaller. In addition, even a slight gap between the magnet’s surface and the plate reduces the load capacity.

Safety rules for work with NdFeB magnets

Magnet fragility

Despite metallic appearance, the material is delicate and not impact-resistant. Avoid impacts, as the magnet may crumble into sharp, dangerous pieces.

Warning for allergy sufferers

Allergy Notice: The nickel-copper-nickel coating consists of nickel. If an allergic reaction happens, immediately stop handling magnets and wear gloves.

Phone sensors

GPS units and smartphones are extremely sensitive to magnetism. Direct contact with a powerful NdFeB magnet can ruin the internal compass in your phone.

Danger to the youngest

Absolutely keep magnets away from children. Risk of swallowing is high, and the effects of magnets clamping inside the body are tragic.

Conscious usage

Before starting, read the rules. Sudden snapping can destroy the magnet or injure your hand. Think ahead.

Flammability

Mechanical processing of NdFeB material poses a fire risk. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Do not overheat magnets

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

Medical implants

Patients with a pacemaker must maintain an safe separation from magnets. The magnetism can interfere with the operation of the implant.

Threat to electronics

Avoid bringing magnets near a wallet, laptop, or screen. The magnetism can destroy these devices and wipe information from cards.

Serious injuries

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

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

MPL 45x25x10 / N38 - lamellar magnet

Technical - MPL 45x25x10 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical modeling of the magnet - data

Table 1: Static pull force (pull vs gap) - characteristics MPL 45x25x10 / N38

Table 2: Slippage capacity (wall) MPL 45x25x10 / N38

Table 3: Vertical assembly (sliding) - vertical pull MPL 45x25x10 / N38

Table 4: Steel thickness (substrate influence) - sheet metal selection MPL 45x25x10 / N38

Table 5: Thermal resistance (material behavior) - resistance threshold MPL 45x25x10 / N38

Table 6: Magnet-Magnet interaction (attraction) - forces in the system MPL 45x25x10 / N38

Table 7: Hazards (electronics) - precautionary measures MPL 45x25x10 / N38

Table 8: Dynamics (kinetic energy) - warning MPL 45x25x10 / N38

Table 9: Corrosion resistance MPL 45x25x10 / N38

Table 10: Electrical data (Flux) MPL 45x25x10 / N38

Table 11: Physics of underwater searching MPL 45x25x10 / N38

1. Wall mount (shear)

2. Efficiency vs thickness

3. Heat tolerance

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

Elemental analysis

Sustainability

Force (pull)

Magnetic Field

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Pros as well as cons of neodymium magnets.

Pros

Disadvantages

Holding force characteristics

Breakaway strength of the magnet in ideal conditions – what affects it?

What influences lifting capacity in practice

Safety rules for work with NdFeB magnets

Magnet fragility

Warning for allergy sufferers

Phone sensors

Danger to the youngest

Conscious usage

Flammability

Do not overheat magnets

Medical implants

Threat to electronics

Serious injuries

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs gap) - characteristics
MPL 45x25x10 / N38

Table 2: Slippage capacity (wall)
MPL 45x25x10 / N38

Table 3: Vertical assembly (sliding) - vertical pull
MPL 45x25x10 / N38

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 45x25x10 / N38

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 45x25x10 / N38

Table 6: Magnet-Magnet interaction (attraction) - forces in the system
MPL 45x25x10 / N38

Table 7: Hazards (electronics) - precautionary measures
MPL 45x25x10 / N38

Table 8: Dynamics (kinetic energy) - warning
MPL 45x25x10 / N38

Table 9: Corrosion resistance
MPL 45x25x10 / N38

Table 10: Electrical data (Flux)
MPL 45x25x10 / N38

Table 11: Physics of underwater searching
MPL 45x25x10 / N38