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75 Material Data Sheet

A high permeability MnZn ferrite intended for a range of broadband and pulse transformer applications and common-mode inductor designs.

Toroidal cores are available in 75 material.

75 Material Characteristics
Property Unit Symbol Value
Initial Permeability @ B < 10 gauss µi 5000
Flux Density @ Field Strength Gauss
Oersted
B
H
4300
5
Residual Flux Density Gauss Br 1400
Coercive Force Oersted Hc 0.16
Loss Factor @ Frequency 10 -6
MHz
Tan δ/ µi 15
0.1
Temperature Coefficient of Initial Permeability (20 -70°C) %/°C 0.6
Curie Temperature °C Tc >140
Resistivity ohm-cm ρ 300

**** 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.