Rare Earth Sintered NdFeB
| Dimensions | 3/4" x 1/2" x 1/16" thick |
| Tolerances | ±0.004" x ±0.004" x ±0.004" |
| Material | NdFeB, Grade N42 |
| Plating/Coating | Ni-Cu-Ni (Nickel) |
| Magnetization Direction | Thru Thickness |
| Weight | 0.102 oz. (2.88 g) |
| Pull Force, Case 1 | 4.53 lbs |
| Pull Force, Case 2 | 29.70 lbs |
| Surface Field | 1237 Gauss |
| Max Operating Temp | 176ºF (80ºC) |
| Brmax | 13,200 Gauss |
| BHmax | 42 MGOe |
Key Advantages
Neodymium magnets are the most powerful commercially produced magnets.
NdFeB magnets have a higher Maximum Energy Product, (BH).max, which can easily reach 30MGOe and even goes up to 50 MGOe.
NdFeB magnets can replace SmCo magnets in most cases, especially where operatingtemperature is less than 80 degrees Centigrade.
Very high strength.
Relatively low cost.
Compared to Alnico and SmCo magnets, relatively easy to machine.
Grade Max. EnergyProduct Remanence Coercive Force Rev. Temp.Coeff. CurieTemp. WorkingTemp. (BH)max Br Hc Hci Bd Hd Tc Tw MGOe kJ/m3 kG mT kOe kA/m kOe kA/m %/oC %/oC oC oC N33 31-33 247-263 11.30-11.70 1130-1170 >10.5 >836 >12 >955 -0.12 -0.60 310 80 N35 33-36 263-287 11.70-12.10 1170-1210 >10.9 >868 >12 >955 -0.12 -0.60 310 80 N38 36-39 287-310 12.10-12.50 1210-1250 >11.3 >899 >12 >955 -0.12 -0.60 310 80 N40 38-41 302-326 12.50-12.80 1250-1280 >11.6 >923 >12 >955 -0.12 -0.60 310 80 N42 40-43 318-342 12.80-1320 1280-1320 >11.6 >923 >12 >955 -0.12 -0.60 310 80 N45 43-46 342-366 13.20-13.80 1320-1380 >11.0 >876 >12 >955 -0.12 -0.60 310 80 N48 46-49 366-390 13.80-14.20 1380-1420 >10.5 >835 >11 >876 -0.12 -0.60 310 80 N30M 28-32 223-255 10.90-11.70 1090-1170 >10.2 >812 >14 >1114 -0.12 -0.59 320 100 N33M 31-35 247-279 11.40-12.20 1140-1220 >10.7 >851 >14 >1114 -0.12 -0.59 320 100 N35M 33-37 263-294 11.80-12.50 1180-1250 >11.0 >875 >14 >1114 -0.12 -0.59 320 100 N38M 36-40 286-318 12.30-13.00 1230-1300 >11.5 >915 >14 >1114 -0.12 -0.59 320 100 N40M 38-42 302-334 12.60-13.20 1260-1320 >11.8 >939 >14 >1114 -0.12 -0.59 320 100 N42M 40-44 318-350 13.00-13.50 1300-1350 >12.0 >955 >14 >1114 -0.12 -0.59 320 100 N45M 42-46 334-366 13.20-13.80 1320-1380 >12.2 >971 >14 >1114 -0.12 -0.59 320 100 N33H 31-34 247-271 11.30-11.70 1130-1170 >10.5 >836 >17 >1353 -0.11 -0.58 320-350 120 N35H 33-36 263-287 11.70-12.10 1170-1210 >10.9 >868 >17 >1353 -0.11 -0.58 320-350 120 N38H 36-39 287-310 12.10-12.50 1210-1250 >11.3 >899 >17 >1353 -0.11 -0.58 320-350 120 N40H 38-41 302-326 12.40-12.80 1240-1280 >11.6 >923 >17 >1353 -0.11 -0.58 320-350 120 N42H 40-43 318-342 12.80-13.20 1280-1320 >12.0 >955 >17 >1360 -0.11 -0.58 320-350 120 N33SH 31-34 247-272 11.30-11.70 1130-1170 >10.6 >844 >20 >1592 -0.11 -0.55 340-360 150 N35SH 33-36 263-287 11.70-12.10 1170-1210 >11.0 >876 >20 >1592 -0.11 -0.55 340-360 150 N38SH 36-39 287-310 12.10-12.50 1210-1250 >11.4 >907 >20 >1592 -0.11 -0.55 340-360 150 N40SH 38-41 302-326 12.10-12.80 1240-1280 >11.8 >939 >20 >1592 -0.11 -0.55 340-360 150 N28UH 26-29 207-231 10.20-10.80 1020-1080 >9.6 >768 >25 >1990 -0.11 -0.51 350-380 180 N30UH 28-31 223-247 10.80-11.30 1080-1130 >10.2 >816 >25 >1990 -0.11 -0.51 350-380 180 N33UH 31-34 247-271 11.30-11.70 1130-1170 >10.7 >856 >25 >1990 -0.11 -0.51 350-380 180 N28EH 26-29 211-236 10.40-10.90 1040-1090 >9.8 >784 >30 >2388 -0.11 -0.51 350-380 200 N30EH 28-31 223-247 10.80-11.30 1080-1130 >10.2 >812 >30 >2388 -0.11 -0.51 350-380 200
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