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79 Material Data Sheet

A new high frequency material for power applications up to 750 kHz.

This MnZn power ferrite is available in customer specific core designs.

This material is available as special order for customer specific applications.

79 Material Characteristics
Property Unit Symbol Value
Initial Permeability @ B < 10 gauss µi 1400
Flux Density @ Field Strength Gauss
Oersted
B
H
4700
5
Residual Flux Density Gauss Br 1700
Coercive Force Oersted Hc 0.40
Loss Factor @ Frequency 10 -6
MHz
Tan δ/ µi 4
0.1
Temperature Coefficient of Initial Permeability (20 -70°C) %/°C 0.6
Curie Temperature °C Tc >225
Resistivity ohm-cm ρ 200

**** 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.