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NeoDeltaMagnet® (NdFeB)

Permanent magnets made of Neodymium-Iron-Boron (NdFeB)
Manufacture of customer-specific magnet dimensions.

NeoDeltaMagnet (NdFeB) is the "strongest" magnet material available. The following standard magnets are generally available from stock. General tolerances according to DIN 7168. Without a protective coating a rust-like surface corrosion occurs with NdFeB magnets under air humidity. Our standard magnets are supplied with a high-quality coating tin on nikkel.
PRODUCT DESCRIPTION

NdFeB magnets are hard and brittle. To avoid breakage an impact or pressure load should be avoided. As with all magnet materials, the maximum operating temperature depends on the correct magnet dimensions (L/D-ratio in the operating point on the width x height line).

If the magnet dimensions are incorrectly chosen with insufficient thickness in the direction of magnetisation, irreversible loss of magnetisation will occur already below 100 °C.

All standard magnets are supplied magnetised.
All dimensions in mm.

PLATE AND BLOCK MAGNETS
TypeAxBxC 
NE222,0x2,0x1,0 
NE333,0x3,0x1,0 
NE444,0x4,0x2,0 
NE484,8x4,8x4,5 
NE555,0x5,0x2,0 
NE5455,0x4,5x1,5 
NE6316,0x3,0x1,0 
NE666,0x6,0x5,0 
NE777,0x7,0x2,0 
NE888,0x8,0x6,0 
NE10710,0x7,0x2,0 
NE101010,0x10,0x3,0 
NE10610,0x10,0x6,0 
NE12912,0x9,0x2,5 
NE151515,0x15,0x5,0 
NE161216,0x12,0x3,0 
NE181618,0x16,0x4,0 
NE202520,0x5,0x2,0 
NE201020,0x10,0x5,0 
NE202020,0x20,0x8,0 
NE262126,0x21,0x5,0 
NE301030,0x10,0x6,0 
NE303030,0x30,0x6,0 
NE322732,0x27,0x6,0 
NE365236,0x5,0x2,0 
NE502050,0x20,0x8,0 
NE755075,0x50,0x10,0 
NE1000100,0x100,0x15,0 
RING MAGNETS
TypeAD ØxID ØxL (a) 
NE103510,0x3,1x5,0 
NE103110,0x3,1x10,0 
NE155615,0x5,0x6,0 
NE204520,0x4,2x5,0 
NE201620,0x10,0x6,0 
NE251225,0x12,0x8,0 
NE402340,0x23,0x6,0 
NE764276,0x42,0x6,0 
CIRCULAR DISC MAGNETS
TypeD ØxL (a) 
NE1521,5x2,0 
NE2022,0x2,0 
NE242,0x4,0 
NE2102,0x10,0 
NE323,0x2,0 
NE303,0x3,0 
NE4124,0x1,2 
NE4154,0x1,5 
NE454,0x5,0 
NE525,0x2,0 
NE535,0x3,0 
NE5105,0x10,0 
NE626,0x2,0 
NE656,0x5,0 
NE737,0x3,0 
NE838,0x3,0 
NE868,0x6,0 
NE959,0x5,0 
NE10310,0x3,0 
NE10510,0x5,0 
NE11010,0x10,0 
NE14314,0x3,0 
NE15315,0x3,0 
NE15415,0x4,0 
NE15515,0x5,0 
NE20520,0x5,0 
NE20120,0x10,0 
NE25525,0x5,0 
NE25725,0x7,0 
NE251525,0x15,0 
Magnetic values Energy
product
(BxH)max
Remanence

Br
Coercivity
(T=20°C)
Relative
remanent
permeability
Temperature
coefficient
of remanence
pro °C
Maximum
operating
temperature
Density Curie
tempe-
rature
      BHC JHC          
  kJ

m3
MGOe mT G kA

m
Oe kA

m
Oe mT

kA/m
  °C g

cm3
°C
NeoDeltaMagnet
(NDFeB)
262-288 33,0-36,0 1170-1250 11700-12500 >860 >10800 >1350 >17000 1.07 - 0,10 % 120 ° 7,6 310°
ORDER LIST
Prices /pc. ex works Berlin plus packing, VAT only in Germany
(A = Please ask for price)
Catalogue page Type 1 - 19 20 - 49 50 - 99 100 - 199 200 - 499 500 - 1000  
 12  NE152   0.75  0.60  0.55  0.42  0.37  0.28    Add to shopping cart   
 12  NE202   0.90  0.85  0.70  0.55  0.50  A    Add to shopping cart   
 12  NE24   0.85  0.70  0.54  0.37  0.24  0.22    Add to shopping cart   
 12  NE210   1.30  1.10  1.05  0.91  0.71  0.44    Add to shopping cart   
 12  NE32   0.95  0.75  0.49  0.41  0.33  0.29    Add to shopping cart   
 12  NE30   1.10  0.95  0.51  0.45  0.36  0.32    Add to shopping cart   
 12  NE412   0.85  0.65  0.45  0.38  0.29  0.25    Add to shopping cart   
 12  NE415   0.87  0.67  0.47  0.39  0.30  0.26    Add to shopping cart   
 12  NE45   1.30  1.22  0.98  0.76  0.59  0.41    Add to shopping cart   
 12  NE52   1.25  1.20  1.05  0.75  0.56  0.40    Add to shopping cart   
 12  NE53   1.35  1.25  0.95  0.78  0.58  0.42    Add to shopping cart   
 12  NE510   2.15  1.90  1.30  1.15  1.05  0.92    Add to shopping cart   
 12  NE62   1.30  1.10  0.98  0.81  0.64  0.42    Add to shopping cart   
 12  NE65   1.50  1.35  1.15  0.95  0.83  0.53    Add to shopping cart   
 12  NE73   1.45  1.25  0.98  0.79  0.58  0.42    Add to shopping cart   
 12  NE83   1.50  1.30  1.09  0.80  0.59  0.43    Add to shopping cart   
 12  NE86   1.90  1.75  1.52  1.15  0.82  0.61    Add to shopping cart   
 12  NE95   1.95  1.80  1.62  1.25  0.94  0.72    Add to shopping cart   
 12  NE103   2.15  1.95  1.70  1.55  1.03  0.83    Add to shopping cart   
 12  NE105   3.80  2.90  2.60  2.30  1.85  1.65    Add to shopping cart   
 12  NE110   4.00  3.60  2.80  2.10  1.70  1.48    Add to shopping cart   
 12  NE143   3.30  3.10  2.80  2.20  1.60  1.38    Add to shopping cart   
 12  NE153   3.80  3.10  2.90  2.20  1.80  1.30    Add to shopping cart   
 12  NE154   3.95  3.80  3.60  2.80  2.10  1.60    Add to shopping cart   
 12  NE155   4.50  4.30  4.00  3.60  2.90  2.40    Add to shopping cart   
 12  NE205   6.90  6.10  5.70  5.10  4.20  3.10    Add to shopping cart   
 12  NE201   8.20  7.50  6.40  5.90  A  A    Add to shopping cart   
 12  NE255   12.20  11.50  10.40  9.70  A  A    Add to shopping cart   
 12  NE257   12.70  11.90  10.90  10.20  A  A    Add to shopping cart   
 12  NE2515   16.90  15.60  14.90  12.50  A  A    Add to shopping cart   
 12  NE22   0.80  0.65  0.58  0.47  0.39  0.28    Add to shopping cart   
 12  NE33   0.88  0.73  0.57  0.39  0.33  0.21    Add to shopping cart   
 12  NE44   0.89  0.74  0.58  0.41  0.35  0.22    Add to shopping cart   
 12  NE48   1.90  1.70  1.45  1.25  0.98  0.69    Add to shopping cart   
 12  NE55   0.98  0.90  0.80  0.70  0.60  A    Add to shopping cart   
 12  NE545   1.05  0.90  0.78  0.65  0.59  0.42    Add to shopping cart   
 12  NE631   0.97  0.82  0.61  0.44  0.36  0.29    Add to shopping cart   
 12  NE66   1.85  1.65  1.40  1.20  0.90  0.65    Add to shopping cart   
 12  NE77   1.65  1.45  1.20  0.95  0.85  0.65    Add to shopping cart   
 12  NE88   1.90  1.75  1.52  1.15  0.82  0.61    Add to shopping cart   
 12  NE107   1.95  1.75  1.55  1.25  1.15  0.95    Add to shopping cart   
 12  NE1010   2.20  2.00  1.75  1.20  1.05  0.85    Add to shopping cart   
 12  NE106   3.60  3.35  2.80  2.60  2.25  1.60    Add to shopping cart   
 12  NE129   2.20  2.05  1.68  1.45  1.20  0.97    Add to shopping cart   
 12  NE1515   6.10  5.40  4.85  4.20  3.40  2.80    Add to shopping cart   
 12  NE1612   3.50  3.35  3.10  2.90  2.40  1.85    Add to shopping cart   
 12  NE1816   4.40  4.00  3.65  3.50  3.25  A    Add to shopping cart   
 12  NE2025   3.20  2.80  2.30  1.80  1.45  1.05    Add to shopping cart   
 12  NE2010   3.90  3.50  3.20  2.90  A  A    Add to shopping cart   
 12  NE2020   18.00  17.10  14.00  9.80  A  A    Add to shopping cart   
 12  NE2621   17.00  16.10  13.75  10.80  A  A    Add to shopping cart   
 12  NE3010   10.50  9.80  8.40  7.50  A  A    Add to shopping cart   
 12  NE3030   20.00  16.90  12.00  A  A  A    Add to shopping cart   
 12  NE3227   20.00  16.90  13.20  A  A  A    Add to shopping cart   
 12  NE3652   3.90  3.60  3.20  2.55  2.25  2.10    Add to shopping cart   
 12  NE5020   25.50  22.00  17.50  A  A  A    Add to shopping cart   
 12  NE7550   44.00  40.00  33.00  A  A  A    Add to shopping cart   
 12  NE1000   139.00  117.00  A  A  A  A    Add to shopping cart   
 12  NE1035   5.50  5.00  4.30  3.40  2.40  2.10    Add to shopping cart   
 12  NE1031   5.65  5.15  4.45  3.50  2.60  2.30    Add to shopping cart   
 12  NE1556   6.90  6.40  5.20  4.40  3.70  A    Add to shopping cart   
 12  NE2045   11.00  9.50  8.20  6.90  5.10  A    Add to shopping cart   
 12  NE2016   11.00  10.20  8.60  7.40  6.00  5.60    Add to shopping cart   
 12  NE2512   19.00  17.50  15.00  11.00  A  A    Add to shopping cart   
 12  NE4023   32.00  28.00  23.00  18.70  A  A    Add to shopping cart   
 12  NE7642   49.50  44.50  32.00  A  A  A    Add to shopping cart   
Small orders: Payments from foreign countries result in additional bank charges, therefore we charge an additional lump sum of 15,- Euro for all foreign orders with a goods value less than 153,- Euro.

Please ask for our conditions of sale, delivery and payment in english and our export conditions for your country.
MATERIAL VERSION

Beside standard magnets usually available from stock, we also supply magnets made from different magnet materials, so that the magnets can be optimally adapted to the application in terms of both dimensions and material.

Segment magnets for motors, magnets for couplings or for use at high temperatures should, for example, have a higher coercivity H, while magnets for holding applications or sensor activation should have a higher remanence B.

FOLLOWING NdFeB-MAGNET MATERIAL CAN ALSO BE DELIVERED BY US
A range of characteristics for available magnet materials are listed below for selection. The numbers in brackets are the code numbers according to DIN 17410 or IEC 404-8-1. We will be delighted to help you select the suitable magnet material for your application.
Magnetic values Energy
product
(BxH)max
Remanence

Br
Coercivity
(T=20°C)
Maximum
operating
temperature
      BHC JHC  
  kJ / m3 mT kA/m kA/m °C
NdFeB (280/167)
Vacodym** 655 HR
 
280-315 1220-1280 925-990 1670-1830 150
NdFeB (315/127)
Vacodym** 633 HR
 
315-350 1290-1350 980-1040 1275-1430 110
NdFeB (315/95)
 
315-330 1290-1320 >835 >950 80
NdFeB (360/95)
Vacodym** 510 HR
 
360-385 1380-1410 915-980 950-1030 60
NdFeB (246/159)
 
246-262 1140-1170 819-875 >1590 150
NdFeB (286/135)
 
286-300 1220-1260 914-955 >1350 120
NdFeB (240/223)
Vacodym** 677 HR
 
240-270 1120-1180 850-915 2230-2465 190
NdFeB (262/135)
 
262-288 1170-1250 >860 >1350 120
NdFeB (246/190)
 
246-262 1140-1170 819-875 >1990 180
* T= max. operating temperature for optimum dimensions.
** Vacodym is a registered trademark of VACUUMSCHMELZE GmbH und Co. KG
MATERIAL VERSION
 Manufacture
The magnets we produce are processed on modern processing machines with diamond tools. Complicated shapes such as segments are eroded.
 
 Surface coating
NdFeB magnets can only be used at an air humidity up to 50 % without condensation if no special coating is used. For most applications a galvanic coating is necessary. We recommend the proven coating tin plating and for particularly high resistance in a damp climate tin plating on nickel . The thickness of the layer is about 15 Ám. For more information please request our information sheet Surface Coating for Permanent Magnets Made from NdFeB . The NdFeB magnet materials Vacodym 655HR/633HR and 677HR mentioned above are materials with high corrosion resistance
 Tolerances
Manufacturing tolerances should be agreed on. Sintered materials (like NdFeB magnets) are hard and brittle, therefore small instances of mechanical surface damage such as cracks on the edges and hairline cracks are not always avoidable. For series productions the preparation of limit samples has proven effective.
 
 Influence of temperature
The max. temperature at which a NdFeB magnet can be used depends on the dimension ratio of the thickness in the direction of magnetisation to the size of the poles (L/D-ratio, see also "Magnet design"). The max. operating temperature can be determined with BHtemperature curves by dimensioning the thickness of the magnet in the direction of magnetisation for fixed pole sizes.