73 Material Data Sheet

A MnZn ferrite supplied only in small cores to suppress conducted EMI frequencies below 50 MHz.

Available in 73 material:
EMI Suppression Beads
Beads On Leads
SM beads
Multi-Aperture Cores

73 Material Characteristics
Property Unit Symbol Value
Initial Permeability @ B < 10 gauss µi 2500
Flux Density @ Field Strength Gauss
Oersted
B
H
4200
5
Residual Flux Density Gauss Br 1100
Coercive Force Oersted Hc 0.18
Loss Factor @ Frequency 10 -6
MHz
Tan δ/ µi 10
0.1
Temperature Coefficient of Initial Permeability (20 -70°C) %/°C 0.5
Curie Temperature °C Tc >160
Resistivity ohm-cm ρ 100

**** 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.

Material Safety Data Sheet (MSDS)

Click here to download Complex Permeability vs. Frequency (CSV)