Technical specification:
Shape: Rectangle
Length: 12.7 mm (1/2 inch)
Width: 6.35 mm (1/4 inch)
Height: 6.35 mm (1/4 inch)
Default tolerance: +/-0.1mm Or customize as required
Magnetism direction: Magnetized through height Or Customized
Material: Alnico (aluminum-nickel-cobalt)
Grade: Alnico 5 (LNG37), anisotropic type
Magnetic Characteristics: Br: 1,200mT, Hcb: 48kA/m, BH: 37KJ/m³
Production by casting or powder metallurgical techniques
An alloy composed of matrix of Al-Ni-Fe-Co
Excellent stability over a wide temperature range higher than 500°C, Temperature coefficient of Br and iHc <±0.03%
Strong corrosion resistance capability without coating for surface protection
Good resistance to demagnetization from vibration and shock
Good flux density at an reasonable cost
Very hard & brittle
Curie Temperature (°C) | 860 |
Maximum Operating Temperature (°C) | 525-550 |
Resistivity (µ ohm.cm) | 47-54 |
Hardness (Hv) | 520-630 |
Density (g/cm3) | 6.90-7.30 |
Relative Recoil Permeability (µrec) | 1.70-4.70 |
Saturation Field Strength, kOe (kA/m) | 2.7-6.3 (215-500) |
Temperature Coefficient of Br (%/°C) | -0.025 ~ -0.02 |
Temperature Coefficient of iHc (%/°C) | +0.01 ~ +0.03 |