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SEC PRODUCT
Magnet Series

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> SEC PRODUCTS > Neodymium
Neodymium Magnet
SEC Magnet Series

Summary

It is a fabricated and sintered product of Rare Earth called Neodymium (17 elements: Atomic Number 21, 39, 57~71), oxidized steel, and boron, and while it has very strong magnetic energy, it is widely used in small and light advanced products. This magnet has the greatest maximum energy among commercial magnets, and since it is comparatively cheaper than Sm-Co magnet, it is widely used in various fields, while it is very dependent on temperature (characteristic selection under temperature: 80oC ~ 200oC) and oxidation.


Property

  The highest maximum energy among commercial magnets.
  Comparatively low cost to strong magnetic force.
  Due to high dependence on temperature, appropriate selection of magnetic properties under temperature
   is available.
  Require surface treatment due to strong oxidizing power.
  Fine processability.
  High dependence on temperature.


Use

VCM, Pick-Up, A/F VCA, Vibration Motor (coin/linear), OIS, IRIS, Linear Stator, MRI, Wind Power Generator, Sensor, Speaker (TV, Smartphone), Earphone, BLDC, AC Motor


Production Manufacture




Magnetic Properties

Grade Br
(Residual Induction)
 Hcb
(Coercive Force)
 Hcj
(Intrinsic Coercive Force)
 (BH)max
(Max Energy Product)
Max Working Temperature
T KA/m KA/m KJ/m³ TW*
KGs  KOe KGOe L/D=0.7
Nom Nim Nom Nim KOe Nom Nim ℃
N35 1.22 1.18 907 860 ≥955 287 263 ≤80
12.2 11.8 11.4 10.8 ≥12 36 33
N38 1.26 1.22 907 860 ≥955 303 287 ≤80
12.6 12.2 11.4 10.8 ≥12 38 36
N40 1.29 1.26 907 860 ≥955 318 303 ≤80
12.9 12.6 11.4 10.8 ≥12 40 38
N42 1.33 1.29 907 860 ≥955 342 318 ≤80
13.3 12.9 11.4 10.8 ≥12  43 40
N45 1.37 1.33 907 863 ≥955 366 342 ≤80
13.7 13.3 11.4 10.5 ≥12 46 43
N48 1.41 1.37 836 716 ≥876 390 366 ≤80
14.1 13.7 10.5 9 ≥12 49 46
N50 1.40 1.45 　 796 ≥876 406 382 ≤80
14.0 14.5 　 10 ≥11 51 48
N52 1.43 1.48 　 796 ≥876 422 398 ≤80
14.3 14.8 　 10 ≥11 53 50
N35M 1.22 1.18 907 860 ≥1114 287 263 ≤100
12.2 11.8 11.4 10.8 ≥14  36 33
N38M 1.26 1.22 907 860 ≥1114 303 287 ≤100
12.6 12.2 11.4 10.8 ≥14 38 36
N40M 1.29 1.26 907 860 ≥1114 318 303 ≤100
12.9 12.6 11.4 10.8 ≥14 40 38
N42M 1.33 1.29 907 860 ≥1114 342 318 ≤100
13.3 12.9 11.4 10.8 ≥14 43 40
N45M 1.37 1.33 907 860 ≥1114 366 342 ≤100
13.7 13.3 11.4 10.8 ≥14 46 43
N48M 1.41 1.37 907 860 ≥1114 390 366 ≤100
14.1 13.7 11.4 10.8 ≥14 49 46
N50M 1.45 1.4 　 1033 ≥1114 406 382 ≤100
14.5 14 　 13 ≥14 51 48
N33H 1.18 1.14 876 820 ≥1353 263 247 ≤120
11.8 11.4 11 10.3 ≥17 33 31
N35H 1.22 1.18 907 876 ≥1353 287 263 ≤120
12.2 11.8 11.4 11 ≥17 36 33
N38H 1.26 1.22 940 890 ≥1353 303 287 ≤120
12.6 12.2 11.8 11.2 ≥17 38 36
N40H 1.29 1.26 995 916 ≥1353 318 303 ≤120
12.9 12.6 12.5 11.5 ≥17 40 38
N42H 1.33 1.29 995 939 ≥1353 342 318 ≤120
13.3 12.9 12.5 11.8 ≥17 43 40
N44H 1.35 1.33 1035 956 ≥1353 358 342 ≤120
13.5 13.3 13 12 ≥17 45 43
N45H 1.37 1.33 1035 956 ≥1353 366 342 ≤120
13.7 13.3 13 12 ≥17 46 43
N46H 1.38 1.35 1035 956 ≥1353 374 358 ≤120
13.8 13.5 13 12 ≥17 47 45
N48H 1.41 1.37 1035 956 ≥1353 390 366 ≤120
14.1 13.7 13 12 ≥17 49 46
N33SH 1.18 1.14 876 820 ≥1592 263 247 ≤150
11.8 11.4 11 10.3 ≥20  33 31
N35SH 1.22 1.18 907 860 ≥1592 287 263 ≤150
12.2 11.8 11.4 10.8 ≥20  36 33
N38SH 1.26 1.22 907 860 ≥1592 303 287 ≤150
12.6 12.2 11.4 10.8 ≥20 38 36
N40SH 1.29 1.26 907 860 ≥1592 318 303 ≤150
12.9 12.6 11.4 10.8 ≥20 40 38
N42SH 1.33 1.29 907 860 ≥1592 342 318 ≤150
13.3 12.9 11.4 10.8 ≥20 43 40
N44SH 1.35 1.33 907 860 ≥1592 358 342 ≤150
13.5 13.3 11.4 10.8 ≥20 45 43
N45SH 1.37 1.33 907 860 ≥1592 366 342 ≤150
13.7 13.3 11.4 10.8 ≥20 46 43
N30UH 1.14 1.08 844 804 ≥1989 247 223 ≤180
11.4 10.8 10.6 10.1 ≥25 31 28
N33UH 1.18 1.14 876 820 ≥1989 263 247 ≤180
11.8 11.4 11 10.3 ≥25 33 30
N35UH 1.22 1.18 907 860 ≥1989 287 263 ≤180
12.2 11.8 11.4 10.8 ≥25 36 33
N38UH 1.26 1.22 907 860 ≥1989 303 287 ≤180
12.6 12.2 11.4 10.8 ≥25 38 36
N40UH 1.28 1.24 　 899 ≥1990 326 302 ≤180
12.8 12.5 　 11.3 ≥25 41 38
N30EH 1.14 1.08 844 804 ≥2387 247 223 ≤200
11.4 10.8 10.6 10.1 ≥30 31 28
N33EH 1.18 1.14 876 820 ≥2388 263 247 ≤200
11.8 11.4 11 10.3 ≥30 33 31
N35EH 1.22 1.18 907 836 ≥2388 287 263 ≤200
12.2 11.8 11.4 10.5 ≥30 36 33
N38EH 1.25 1.22 　 899 ≥2388 310 287 ≤200
12.5 12.2 　 11.3 ≥30 39 36