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)