SDM Permanent Neodymium Motor Magnet
Neodymium magnet offer the strongest magnetic power today. They are particularly suitable for high volume production in a wide variety of shape and size. Precise dimensional control is achieved in machining processes.
1. Applications: Motors, Generators, Sensors, Speakers, Earphones and other musical instruments, Magnetic therapy devices, Magnetic Chuck, Magnetic bearings and couplings, NdFeB Pot Magnet and other magnetic applications.
2. Grade: N35-N52, N35M-N50M, N35H-N48H, N35SH-N45SH, N28UH-N42UH, N28EH-N40EH, N28AH-N38AH.
3. Shape: Customized
4. Coating: Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-Ag, Ni-Au, Passivation, Parylene, etc.
5. Size: Customized size per your requirements.
6. Certification: ISO9001: 2008, ISO/TS16949: 2009 and RoHS.
/ Sintered NdFeB Magnet |
Grade |
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Residual Induction (Br) |
Coercive Force (Hcb) |
Intrinsic Coercive Force (Hcj) |
Max Energy Product (BH)max |
Temp. Coefficient Tk |
Max Working Temp. |
Curie Temp. |
T |
kGs |
kA/m |
kOe |
kA/m |
kOe |
kJ/m³ |
MGOe |
%/ºC(Br) |
%/ºC(Hcj) |
ºC |
ºC |
N35 |
1.17-1.22 |
11.7-12.2 |
≥868 |
≥10.9 |
≥955 |
≥12 |
263-287 |
33-36 |
-0.12 |
-0.70 |
80 |
310 |
N38 |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥955 |
≥12 |
287-310 |
36-39 |
-0.12 |
-0.70 |
80 |
310 |
N40 |
1.25-1.28 |
12.5-12.8 |
≥907 |
≥11.4 |
≥955 |
≥12 |
302-326 |
38-41 |
-0.12 |
-0.70 |
80 |
310 |
N42 |
1.28-1.32 |
12.8-13.2 |
≥915 |
≥11.5 |
≥955 |
≥12 |
318-342 |
40-43 |
-0.12 |
-0.70 |
80 |
310 |
N45 |
1.32-1.38 |
13.2-13.8 |
≥923 |
≥11.6 |
≥955 |
≥12 |
342-366 |
43-46 |
-0.12 |
-0.70 |
80 |
310 |
N48 |
1.38-1.42 |
13.8-14.2 |
≥923 |
≥11.6 |
≥955 |
≥12 |
366-390 |
46-49 |
-0.12 |
-0.70 |
80 |
310 |
N50 |
1.40-1.45 |
14.0-14.5 |
≥796 |
≥10.0 |
≥876 |
≥11 |
382-406 |
48-51 |
-0.12 |
-0.70 |
60 |
310 |
N52 |
1.43-1.48 |
14.3-14.8 |
≥796 |
≥10.0 |
≥876 |
≥11 |
398-422 |
50-53 |
-0.12 |
-0.70 |
60 |
310 |
N35M |
1.17-1.22 |
11.7-12.2 |
≥868 |
≥10.9 |
≥1114 |
≥14 |
263-287 |
33-36 |
-0.12 |
-0.70 |
100 |
310 |
N38M |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥1114 |
≥14 |
287-310 |
36-39 |
-0.12 |
-0.70 |
100 |
310 |
N40M |
1.25-1.28 |
12.5-12.8 |
≥923 |
≥11.6 |
≥1114 |
≥14 |
302-326 |
38-41 |
-0.12 |
-0.70 |
100 |
310 |
N42M |
1.28-1.32 |
12.8-13.2 |
≥955 |
≥12.0 |
≥1114 |
≥14 |
318-342 |
40-43 |
-0.12 |
-0.70 |
100 |
310 |
N45M |
1.32-1.38 |
13.2-13.8 |
≥995 |
≥12.5 |
≥1114 |
≥14 |
342-366 |
43-46 |
-0.12 |
-0.70 |
100 |
310 |
N48M |
1.37-1.43 |
13.7-14.3 |
≥1027 |
≥12.9 |
≥1114 |
≥14 |
366-390 |
46-49 |
-0.12 |
-0.70 |
100 |
310 |
N50M |
1.40-1.45 |
14.0-14.5 |
≥1033 |
≥13 |
≥1114 |
≥14 |
382-406 |
48-51 |
-0.12 |
-0.70 |
100 |
310 |
N35H |
1.17-1.22 |
11.7-12.2 |
≥868 |
≥10.9 |
≥1353 |
≥17 |
263-287 |
33-36 |
-0.12 |
-0.70 |
120 |
310 |
N38H |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥1353 |
≥17 |
287-310 |
36-39 |
-0.12 |
-0.70 |
120 |
310 |
N40H |
1.25-1.28 |
12.5-12.8 |
≥923 |
≥11.6 |
≥1353 |
≥17 |
302-326 |
38-41 |
-0.12 |
-0.70 |
120 |
310 |
N42H |
1.28-1.32 |
12.8-13.2 |
≥955 |
≥12.0 |
≥1353 |
≥17 |
318-342 |
40-43 |
-0.12 |
-0.70 |
120 |
310 |
N45H |
1.32-1.36 |
13.2-13.6 |
≥963 |
≥12.1 |
≥1353 |
≥17 |
342-366 |
43-46 |
-0.12 |
-0.70 |
120 |
310 |
N48H |
1.37-1.43 |
13.7-14.3 |
≥995 |
≥12.5 |
≥1353 |
≥17 |
366-390 |
46-49 |
-0.12 |
-0.70 |
120 |
310 |
N35SH |
1.17-1.22 |
11.7-12.2 |
≥876 |
≥11.0 |
≥1592 |
≥20 |
263-287 |
33-36 |
-0.11 |
-0.65 |
150 |
320 |
N38SH |
1.22-1.25 |
12.2-12.5 |
≥907 |
≥11.4 |
≥1592 |
≥20 |
287-310 |
36-39 |
-0.11 |
-0.65 |
150 |
320 |
N40SH |
1.25-1.28 |
12.5-12.8 |
≥939 |
≥11.8 |
≥1592 |
≥20 |
302-326 |
38-41 |
-0.11 |
-0.65 |
150 |
320 |
N42SH |
1.28-1.32 |
12.8-13.2 |
≥987 |
≥12.4 |
≥1592 |
≥20 |
318-342 |
40-43 |
-0.11 |
-0.65 |
150 |
320 |
N45SH |
1.32-1.38 |
13.2-13.8 |
≥1003 |
≥12.6 |
≥1592 |
≥20 |
342-366 |
43-46 |
-0.11 |
-0.65 |
150 |
320 |
N28UH |
1.04-1.08 |
10.4-10.8 |
≥764 |
≥9.6 |
≥1990 |
≥25 |
207-231 |
26-29 |
-0.11 |
-0.60 |
180 |
330 |
N30UH |
1.08-1.13 |
10.8-11.3 |
≥812 |
≥10.2 |
≥1990 |
≥25 |
223-247 |
28-31 |
-0.11 |
-0.60 |
180 |
330 |
N33UH |
1.13-1.17 |
11.3-11.7 |
≥852 |
≥10.7 |
≥1990 |
≥25 |
247-271 |
31-34 |
-0.11 |
-0.60 |
180 |
330 |
N35UH |
1.17-1.22 |
11.7-12.2 |
≥860 |
≥10.8 |
≥1990 |
≥25 |
263-287 |
33-36 |
-0.11 |
-0.60 |
180 |
330 |
N38UH |
1.22-1.25 |
12.2-12.5 |
≥876 |
≥11.0 |
≥1990 |
≥25 |
287-310 |
36-39 |
-0.11 |
-0.60 |
180 |
330 |
N40UH |
1.25-1.28 |
12.5-12.8 |
≥899 |
≥11.3 |
≥1990 |
≥25 |
302-326 |
38-41 |
-0.11 |
-0.60 |
180 |
330 |
N42UH |
1.28-1.32 |
12.8-13.2 |
≥899 |
≥11.3 |
≥1990 |
≥25 |
318-342 |
40-43 |
-0.11 |
-0.60 |
180 |
330 |
N28EH |
1.04-1.08 |
10.4-10.8 |
≥780 |
≥9.8 |
≥2388 |
≥30 |
207-231 |
26-29 |
-0.11 |
-0.55 |
200 |
330 |
N30EH |
1.08-1.13 |
10.8-11.3 |
≥812 |
≥10.2 |
≥2388 |
≥30 |
223-247 |
28-31 |
-0.11 |
-0.55 |
200 |
330 |
N33EH |
1.13-1.17 |
11.3-11.7 |
≥836 |
≥10.5 |
≥2388 |
≥30 |
247-271 |
31-34 |
-0.11 |
-0.55 |
200 |
330 |
N35EH |
1.17-1.22 |
11.7-12.2 |
≥876 |
≥11.0 |
≥2388 |
≥30 |
263-287 |
33-36 |
-0.11 |
-0.55 |
200 |
330 |
N38EH |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥2388 |
≥30 |
287-310 |
36-39 |
-0.11 |
-0.55 |
200 |
330 |
N40EH |
1.25-1.28 |
12.5-12.8 |
≥899 |
≥11.3 |
≥2388 |
≥30 |
302-326 |
38-41 |
-0.11 |
-0.55 |
200 |
330 |
N28AH |
1.04-1.08 |
10.4-10.8 |
≥787 |
≥9.9 |
≥2624 |
≥33 |
207-231 |
26-29 |
-0.10 |
-0.50 |
230 |
350 |
N30AH |
1.08-1.13 |
10.8-11.3 |
≥819 |
≥10.3 |
≥2624 |
≥33 |
223-247 |
28-31 |
-0.10 |
-0.50 |
230 |
350 |
N33AH |
1.13-1.17 |
11.3-11.7 |
≥843 |
≥10.6 |
≥2624 |
≥33 |
247-271 |
31-34 |
-0.10 |
-0.50 |
230 |
350 |
N35AH |
1.17-1.22 |
11.7-12.2 |
≥876 |
≥11.0 |
≥2624 |
≥33 |
263-287 |
33-36 |
-0.10 |
-0.50 |
230 |
350 |
N38AH |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥2624 |
≥33 |
287-310 |
36-39 |
-0.10 |
-0.50 |
230 |
350 |
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*The above-mentioned data of magnetic properties and physical properties are given at room temperature. |
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*The max working temperature of magnet is changeable due to length-diameter ratio, coating thickness and another environment factors. |
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