Sintered NdFeB Magnets | Bunting Dubois

Sintered Neodymium Iron Boron

These custom magnet assemblies offer engineers the ideal combination of low cost and high energy product. We offer a wide range of grades to allow for optimal selection for the magnet’s operating environment.

Full local support at extremely competitive prices
Wide product offering, including high-temperature grades up to 50 MGOe
Capabilities for full assembly in local market
Rapid prototyping and production start-up

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Custom Neodymium Sintered Magnet Assemblies

Bunting-DuBois’ Sintered Neodymium Boron magnets offer engineers the ideal combination of low cost and high energy product. We offer a wide range of grades to allow for optimal selection for the magnet’s operating environment.

Operating in concert with state-of-the-art facilities around the world, we can meet any requirement. From high-value, cost-conscious product from China, to more exotic grade materials from Japan, to domestically manufactured finished products in any quantities – We are your Total Magnetic Solution!

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Available Neodymium Grades

	BR	BR	HCB	HCB	HCJ	HCJ	BHMAX	BHMAX	REV. TEMP. COEF.	REV. TEMP. COEF.	TEMP
Grade	Typical mT	Typical gauss	min kA/m	min oersteds	min kA/m	min oersteds	Typical kJ/m3	Typical MGOe	Br %/°C	HcJ %/°C	max °C
N35	1210	12,100	860	10,800	955	12,000	283	35	-0.12	-0.618	80
N38	1260	12,600	860	10,800	955	12,000	306	38	-0.12	-0.75	80
N40	1285	12,850	923	11,600	955	12,000	318	40	-0.12	-0.75	80
N42	1315	13,150	860	10,800	955	12,000	334	42	-0.12	-0.75	80
N45	1350	13,500	860	10,800	955	12,000	350	44	-0.12	-0.75	80
N48	1400	14,000	836	10,500	955	12,000	390	49	-0.12	-0.75	80
N50	1425	14,250	836	10,500	955	12,000	390	49	-0.12	-0.75	80
N52	1450	14,500	836	10,500	876	11,000	406	51	-0.12	-0.75	60
N55	1490	14,900	716	9,000	876	11,000	430	54	-0.12	-0.75	60
N33M	1175	11,750	836	10,500	1114	14,000	267	34	-0.12	-0.675	100
N35M	1210	12,100	868	10,900	1114	14,000	283	35	-0.12	-0.675	100
N38M	1260	12,600	899	11,300	1114	14,000	307	39	-0.12	-0.675	100
N40M	1285	12,850	923	11,600	1114	14,000	322	40	-0.12	-0.675	100
N42M	1315	13,150	955	12,000	1114	14,000	338	42	-0.12	-0.675	100
N45M	1350	13,500	971	12,200	1114	14,000	354	44	-0.12	-0.675	100
N48M	1395	13,950	995	12,500	1114	14,000	378	48	-0.12	-0.675	100
N30H	1105	11,050	796	10,000	1353	17,000	235	30	-0.12	-0.605	120
N33H	1175	11,750	836	10,500	1353	17,000	267	34	-0.12	-0.605	120
N35H	1210	12,100	868	10,900	1353	17,000	283	35	-0.12	-0.605	120
N38H	1260	12,600	899	11,300	1353	17,000	307	39	-0.12	-0.605	120
N40H	1285	12,850	923	11,600	1353	17,000	322	40	-0.12	-0.605	120
N42H	1300	13,000	955	12,000	1353	17,000	330	41	-0.12	-0.605	120
N45H	1350	13,500	971	12,200	1353	17,000	354	44	-0.12	-0.605	120
N48H	1390	13,900	1011	12,700	1353	17,000	378	48	-0.12	-0.605	120
N50H	1415	14,150	1035	13,000	1274	16,000	390	49	-0.12	-0.605	120
N30SH	1125	11,250	811	10,200	1592	20,000	243	31	-0.12	-0.535	150
N33SH	1175	11,750	844	10,600	1592	20,000	267	34	-0.12	-0.535	150
N35SH	1210	12,100	876	11,000	1592	20,000	283	35	-0.12	-0.535	150
N38SH	1260	12,600	907	11,400	1592	20,000	307	39	-0.12	-0.535	150
N40SH	1285	12,850	939	11,800	1592	20,000	322	40	-0.12	-0.535	150
N42SH	1310	13,100	955	12,000	1592	20,000	330	41	-0.12	-0.535	150
N45SH	1350	13,500	979	12,300	1592	20,000	354	44	-0.12	-0.535	150
N48SH	1390	13,900	995	12,500	1512	19,000	374	47	-0.12	-0.535	150
N28UH	1075	10,750	764	9,600	1990	25,000	227	29	-0.12	-0.465	180
N30UH	1125	11,250	812	10,200	1990	25,000	243	31	-0.12	-0.465	180
N33UH	1175	11,750	852	10,700	1990	25,000	267	34	-0.12	-0.465	180
N35UH	1210	12,100	860	10,080	1990	25,000	283	35	-0.12	-0.465	180
N38UH	1260	12,600	876	11,000	1990	25,000	307	39	-0.12	-0.465	180
N40UH	1285	12,850	915	11,500	1990	25,000	318	40	-0.12	-0.465	180
N42UH	1310	13,100	955	12,000	1990	25,000	330	41	-0.12	-0.465	180
N45UH	1350	13,500	955	12,500	1990	24,000	358	45	-0.12	-0.465	180
N28EH	1085	10,850	780	9,800	2388	30,000	227	29	-0.12	-0.42	200
N30EH	1125	11,250	812	10,200	2388	30,000	243	31	-0.12	-0.42	200
N33EH	1165	11,650	820	10,300	2388	30,000	267	34	-0.12	-0.42	200
N35EH	1200	12,000	836	10,500	2388	30,000	279	35	-0.12	-0.42	200
N38EH	1235	12,350	899	11,300	2388	30,000	303	38	-0.12	-0.42	200
N40EH	1270	12,700	915	11,500	2388	30,000	314	39	-0.12	-0.42	200
N28AH	1075	10,750	780	9,800	2706	34,000	223	28	-0.12	-0.393	220
N30AH	1120	11,200	812	10,200	2706	34,000	239	30	-0.12	-0.393	220
N35AH	1195	11,950	883	11,100	2706	34,000	275	35	-0.12	-0.393	220