Magnetic Component Engineering
SAE AS9100C AND ISO 9001:2008 CERTIFIED
Neodymium Iron Boron (Sintered) / N3875
Magnetic Properties Nom. Min.
Br (Gauss) 12,500 12,200
Hc (Oersted) 12,300 11,700
Hk (Oersted) 16,000 15,000
Hci (Oersted) 27,000 25,000
BHmax (MGOe) 38.0 36.0
Temp Coeff of Br (%/C) -0.10 N/A
Recoil Permeability (rec) 1.1 N/A
Tc, Curie Temperature (C) 310 N/A
Maximum Operating Temperature (C) 185 N/A
Physical Properties  
Density (Ibs/in3) 0.27
Coeff of Linear Expan. ⊥ to < M > (10-7/C approx) -5.0
Coeff of Linear Expan. // to < M > (10-7/C approx) 65.0
Compressive Strength (psi x 103) 160.0
Young's Modulus (psi x 106) 23.0
Vicker's Hardness (HV) 600
Tensile Strength (psi x 106) N/A
Flexural Strength (psi x 106) N/A
Common Industry Name
Electrical Resistivity (μΩ.cm) 144
Typical Appearance Gray
Type