The magnets of NdFeB magnets are a type of rare earth magnet made of neodymium, iron, and boron. These magnets have become increasingly popular due to their excellent magnetic properties, making them an essential component in many industries. These magnets are known for their high magnetic strength, making them stronger than other permanent magnets like Alnico and SmCo.

The benefits of NdFeB magnets are numerous. They have a high energy density, making them the most powerful magnets available in the market. They also have good temperature stability, meaning their magnetic properties are not significantly affected by changes in temperature. These have excellent corrosion resistance, making them ideal for use in harsh environments. Furthermore, they have a long service life and can maintain their magnetism for years.

These magnets have a wide range of applications in various industries, including automotive, electronics, medical, aerospace, and more. NdFeB magnets are commonly used to create electric motors, generators, magnetic separation equipment, medical equipment, and more.

In summary, the NdFeB magnet is a powerful, durable, and versatile magnet that has become highly popular due to its exceptional magnetic properties. Its high energy density, temperature stability, corrosion resistance, and long service life make it an ideal choice for many industries.

Magengine NdFeB Magnets with trapezoid shape for motor

Property: N50, Br: 1.40-1.45T, bHc: >=836KA/m, iHc: >=876KA/m, (BH)max: 382-406KJ/m3 Size and tolerance: 112x60/16x20mm

Coating: NiCuNi

Magnetization: Magnetized via 20mm

Highlights: NdFeB magnet with Special shape

Application: Motor, winder power

If you have any demand on NdFeB magnet, kindly let us know. We are very pleased to cooperate with you!

Typical Magnetic Performance for Sintered NdFeB magnet

Grade	Remanence		Coercive Force		Intrinsic Coercive		Max Energy		Max. Working Temp.
	Br		Hcb		Hcj		(BH)max
	T	KGs	KA/m	KOe	KA/m	KOe	KJ/cm³	MGOe
N35	1.18-1.25	11.8-12.5	≥876	≥11.0	≥955	≥12	263-302	33-38	80 ℃
N38	1.23-1.30	12.3-13.0	≥876	≥11.0	≥955	≥12	286-326	36-41	80 ℃
N40	1.26-1.32	12.6-13.2	≥876	≥11.0	≥955	≥12	302-334	38-42	80 ℃
N42	1.30-1.35	13.0-13.5	≥860	≥10.8	≥955	≥12	318-350	40-44	80 ℃
N45	1.32-1.38	13.2-13.8	≥860	≥10.8	≥955	≥12	334-366	42-46	80 ℃
N48	1.37-1.43	13.7-14.3	≥836	≥10.5	≥875	≥11	358-390	45-49	80 ℃
N50	1.39-1.46	13.9-14.6	≥836	≥10.5	≥875	≥11	374-406	47-51	80 ℃
N52	1.42-1.48	14.2-14.8	≥836	≥10.5	≥875	≥11	390-422	49-53	80 ℃
N54	1.45-1.51	14.5-15.1	≥836	≥10.5	≥875	≥11	406-438	51-55	80 ℃
N35M	1.18-1.25	11.8-12.5	≥876	≥10.5	≥1114	≥14	263-302	33-38	100 ℃
N38M	1.23-1.30	12.3-13.0	≥916	≥11.5	≥1114	≥14	287-326	36-41	100 ℃
N40M	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1114	≥14	302-342	38-43	100 ℃
N42M	1.30-1.35	13.0-13.5	≥955	≥12.0	≥1114	≥14	318-358	40-45	100 ℃
N45M	1.32-1.38	13.2-13.8	≥971	≥12.2	≥1114	≥14	334-374	42-47	100 ℃
N48M	1.37-1.43	13.7-14.3	≥995	≥12.5	≥1114	≥14	358-398	45-50	100 ℃
N50M	1.39-1.46	13.9-14.6	≥995	≥12.5	≥1035	≥13	374-414	47-52	100 ℃
N52M	1.42-1.48	14.2-14.8	≥995	≥12.5	≥1035	≥13	390-422	49-53	100 ℃
N54M	1.45-15.0	14.5-15.0	≥995	≥12.5	≥1035	≥13	406-438	51-55	100 ℃
N33H	1.14-1.17	11.4-11.7	≥836	≥10.5	≥1353	≥17	247-263	31-33	120 ℃
N35H	1.18-1.25	11.8-12.5	≥876	≥11.0	≥1353	≥17	263-302	33-38	120 ℃
N38H	1.23-1.30	12.3-13.0	≥916	≥11.5	≥1353	≥17	287-326	36-41	120 ℃
N40H	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1353	≥17	302-342	38-43	120 ℃
N44H	1.30-1.37	13.0-13.7	≥963	≥12.1	≥1273	≥16	326-366	41-46	120 ℃
N46H	1.34-1.40	13.4-14.0	≥995	≥12.5	≥1273	≥16	342-382	43-48	120 ℃
N48H	1.36-1.42	13.6-14.2	≥1011	≥12.7	≥1273	≥16	358-398	45-50	120 ℃
N50H	1.38-1.44	13.8-14.4	≥1026	≥12.9	≥1273	≥16	374-406	47-51	120 ℃
N52H	1.40-1.46	14.0-14.6	≥1035	≥13.0	≥1273	≥16	382-422	48-53	120 ℃
N33SH	1.14-1.17	11.4-11.7	≥836	≥10.5	≥1592	≥20	247-263	31-33	150 ℃
N35SH	1.18-1.25	11.8-12.5	≥883	≥11.1	≥1592	≥20	263-302	33-38	150 ℃
N38SH	1.23-1.30	12.3-13.0	≥923	≥11.6	≥1592	≥20	287-326	36-41	150 ℃
N40SH	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1592	≥20	302-342	38-43	150 ℃
N42SH	1.28-1.34	12.8-13.4	≥955	≥12.0	≥1512	≥19	310-350	39-44	150 ℃
N45SH	1.32-1.38	13.2-13.8	≥987	≥12.4	≥1512	≥19	334-374	42-47	150 ℃
N48SH	1.36-1.42	13.6-14.2	≥1011	≥12.7	≥1512	≥19	358-390	45-49	150 ℃
N50SH	1.38-1.44	13.8-14.4	≥1035	≥13.0	≥1512	≥19	372-406	47-51	150 ℃
N28UH	1.07-1.09	10.7-10.9	≥780	≥9.80	≥1990	≥25	211-225	26-28	180 ℃
N30UH	1.09-1.17	10.9-11.7	≥820	≥10.3	≥1990	≥25	223-263	28-33	180 ℃
N33UH	1.14-1.22	11.4-12.2	≥859	≥10.8	≥1990	≥25	247-287	31-36	180 ℃
N35UH	1.18-1.25	11.8-12.5	≥891	≥11.2	≥1990	≥25	263-302	33-38	180 ℃
N38UH	1.22-1.28	12.2-12.8	≥923	≥11.6	≥1990	≥25	287-326	36-41	180 ℃
N40UH	1.26-1.32	12.6-13.2	≥955	≥12.0	≥1990	≥25	302-334	38-42	180 ℃
N42UH	1.29-1.35	12.9-13.5	≥955	≥12.0	≥1990	≥25	318-350	40-44	180 ℃
N45UH	1.32-1.38	13.2-13.8	≥987	≥12.4	≥1990	≥25	334-374	42-47	180 ℃
N48UH	1.36-1.41	13.6-14.1	≥1011	≥12.7	≥1911	≥24	358-398	45-50	180 ℃
N28EH	1.07-1.09	10.7-10.9	≥780	≥9.80	≥2388	≥30	211-227	26-28	200 ℃
N30EH	1.09-11.7	10.9-11.7	≥820	≥10.3	≥2388	≥30	223-263	28-33	200 ℃
N33EH	1.14-1.20	11.4-12.0	≥859	≥10.8	≥2388	≥30	247-287	31-36	200 ℃
N35EH	1.17-1.23	11.7-12.3	≥883	≥11.1	≥2388	≥30	263-295	33-37	200 ℃
N38EH	1.22-1.28	12.2-12.8	≥923	≥11.6	≥2388	≥30	287-318	36-40	200 ℃
N40EH	1.26-1.32	12.6-13.2	≥939	≥11.8	≥2388	≥30	302-334	38-42	200 ℃
N44EH	1.30-1.35	13.0-13.5	≥979	≥12.3	≥2308	≥29	326-366	41-46	200 ℃
N28AH	1.05-1.13	10.5-11.3	≥780	≥10.0	≥2786	≥35	207-247	26-31	220 ℃
N30AH	1.09-1.17	10.9-11.7	≥820	≥10.3	≥2786	≥35	223-263	28-33	220 ℃
N35AH	1.17-1.24	11.7-12.4	≥876	≥11.0	≥2786	≥35	263-295	33-37	220 ℃

Surface Treatment

Zinc coating:

Good corrosion resistance

Good salt spray resistance

Nickel coating:

Excellent corrosion resistance

Superior resistance against humidity and heat

Passivation:

Surface clean

Certain protection for uncoated magnets

Epoxy coating:

Excellent corrosion resistance

Superior salt spray resistance

Good resistance against humidity and heat

Name	White Zinc	Color Zinc	Nickel	Electroless Nickel	NiCuNi	NiSn	Epoxy	Phosphating	NiAu
Coating Thickness (μm)	8-15	10-15	20-30	20-30	15-30	20-30	10-30	1-3	10-20
Color	Blue & white	Multicolor	Silver	Silver	Silver	Silver	Black	Black	Gold
PCT	3	3	1	1	2	2	2	3	2
Humidity Test	3	3	1	1	1	1	1	2	2
Salt Spray Test	3	2	3	1	2	2	1	3	2
Collision Test	2	2	1	1	1	1	1	3	1

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