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68 Material Data Sheet

Our highest frequency NiZn ferrite intended for broadband transformers, antennas and Hi Q inductor applications up to 150 MHz.

Strong magnetic fields or excessive mechanical stresses may result in irreversible changes in permeability or losses.

Available in 68 material:
Toroids
Customer Specific Designs

 68 Material Characteristics
Property Unit Symbol Value
Initial Permeability @ B < 10 gauss µi 16
Flux Density @ Field Strength Gauss
Oersted
B
H
2700
40
Residual Flux Density Gauss Br 900
Coercive Force Oersted Hc 6.5
Loss Factor @ Frequency 10 -6
MHz
Tan δ/ µi 400
100
Temperature Coefficient of Initial Permeability (20 -70°C) %/°C 0.10
Curie Temperature °C Tc >500
Resistivity ohm-cm ρ 1×107

**** Characteristic curves are measured on standard Toroids (18/10/6 mm)  at 25°C and 10 kHz unless otherwise indicated. Impedance characteristics are measured on standard shield beads (3.5/1.3/6.0 mm) unless otherwise indicated.