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Basic Intro

Sintered NdFeB Magnet

Bonded NdFeb Magnet

The Sintered NdFeB magnet is the strongest permanent magnet nowadays. For their high remanence, high corrective force, high energy product, reasonable price / performance ratio and availability to different dimensions, they are especially suitable to the research and development of light and compact products with high performance.

For Debits surface is usually treated with some special methods. The surface treatment method include Zinc,Nickel,Tin,Silver,Gold plating,Phosphor and Spray Epoxy Resin etc.

DATOYO also can supply high grade like N50 and high working temperature such as N33AH and N35AH.

Grade	Remanence				Coercive force				Intrinsic coercive		Maximum energy product				Working temp
	Br				bHc				force iHc		(BH)max				Working temp
	KG		T		KOe		KA/m		KOe	KA/m	MGOe		KJ/m3		°C
	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.	KOe	KA/m	Nom.	Min.	Nom.	Min.	°C
N30	11.2	10.8	1.12	1.08	10.5	9.8	836	780	≥12	≥955	30	28	239	223	≤80
N33	11.7	11.4	1.17	1.14	11.0	10.3	876	820	≥12	≥955	33	31	263	247	≤80
N35	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥12	≥955	35	33	279	263	≤80
N38	12.6	12.2	1.26	1.22	11.5	10.8	915	860	≥12	≥955	38	36	303	287	≤80
N40	12.9	12.6	1.29	1.26	11.0	10.5	876	836	≥12	≥955	40	38	318	303	≤80
N42	13.2	12.6	1.32	1.26	11.0	10.5	876	836	≥12	≥955	42	40	342	326	≤80
N45	13.7	13.3	1.37	1.33	11.0	10.5	876	836	≥12	≥955	45	43	358	342	≤80
N48	14.1	13.7	1.41	1.37	11.0	10.5	876	836	≥12	≥955	48	46	383	367	≤80
N30M	11.2	10.8	1.12	1.08	10.5	9.8	836	780	≥14	≥1114	30	28	239	223	≤100
N33M	11.7	11.4	1.17	1.14	11.0	10.3	876	820	≥14	≥1114	33	31	263	247	≤100
N35M	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥14	≥1114	35	33	279	263	≤100
N38M	12.6	12.2	1.26	1.22	11.5	10.8	915	860	≥14	≥1114	38	36	303	257	≤100
N40M	12.9	12.6	1.29	1.26	11.5	10.8	915	860	≥14	≥1114	40	38	318	303	≤100
N42M	13.2	12.9	1.32	1.29	11.0	10.5	876	836	≥14	≥1114	42	40	342	326	≤100
N45M	13.7	13.3	1.37	1.33	11.0	10.5	976	836	≥14	≥1114	45	43	358	342	≤100
N48M	14.1	13.7	1.41	1.37	11.0	10.5	876	836	≥14	≥1114	48	46	383	367	≤100
N30H	11.2	10.8	1.12	1.08	10.5	9.8	836	780	≥17	≥1353	30	28	239	223	≤120
N33H	11.7	11.4	1.17	1.14	11.0	10.3	876	820	≥17	≥1353	33	31	263	247	≤120
N35H	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥17	≥1353	35	33	279	263	≤120
N40H	12.9	12.6	1.29	1.26	12.0	11.5	955	915	≥17	≥1353	40	38	318	303	≤120
N42H	13.2	12.9	1.32	1.29	11.0	10.5	876	836	≥17	≥1353	42	40	342	326	≤120
N45H	13.7	13.3	1.37	1.33	11.0	10.5	876	836	≥17	≥1353	45	43	358	342	≤120
N30SH	11.2	10.8	1.12	1.08	10.5	9.8	836	780	≥20	≥1595	30	28	239	223	≤150
N33SH	11.7	11.4	1.17	1.14	11.0	10.3	876	820	≥20	≥1595	33	31	263	247	≤150
N35SH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥20	≥1595	35	33	279	263	≤150
N38SH	12.6	12.2	1.26	1.22	12.3	11.8	979	939	≥20	≥1595	38	36	303	287	≤150
N40SH	12.9	12.6	1.29	1.26	12.6	12.0	1003	955	≥20	≥1595	40	38	318	303	≤150
N42SH	13.2	12.9	1.32	1.29	11.0	10.5	876	836	≥20	≥1595	42	40	342	326	≤150
N45SH	13.7	13.3	1.37	1.33	11.0	10.5	876	836	≥20	≥1595	45	43	358	342	≤150
N28UH	10.8	10.4	1.08	1.04	10.2	9.8	812	780	≥25	≥1990	28	26	223	207	≤100
N30UH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥25	≥1990	30	28	239	223	≤100
N33UH	11.7	11.4	1.17	1.14	11.0	10.3	875	820	≥25	≥1990	33	31	263	247	≤180
N35UH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥25	≥1990	35	33	279	263	≤180
N28EH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥30	≥2388	28	26	223	207	≤200
N30EH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥30	≥2388	30	28	239	223	≤200
N33EH	11.8	11.4	1.18	1.14	10.6	10.2	844	804	≥30	≥2388	34	30	263	239	≤200
N35EH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥30	≥2388	36	33	287	263	≤200

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