44 Material Data Sheet
A NiZn ferrite developed to combine a high suppression performance, from 30 MHz to 500 MHz, with a very high DC resistivity.
Available in 44 material:
SM Beads
PC Beads
Wound Beads
Round Cable Snap-Its
Connector EMI Suppression Plates
44 Material Characteristics
| Property | Unit | Symbol | Value |
| Initial Permeability@ B < 10 gauss | µi | 500 | |
| Flux Density @ Field Strength | Gauss Oersted |
B H |
3000 10 |
| Residual Flux Density | Gauss | Br | 1100 |
| Coercive Force | Oersted | Hc | 0.45 |
| Loss Factor @ Frequency | 10 -6 MHz |
Tan δ/ µi | 150 1.0 |
| Temperature Coefficient of Initial Permeability (20 -70°C) | % / °C | 1.6 | |
| Curie Temperature | °C | Tc | >160 |
| Resistivity | ohm-cm | ρ | 1×109 |
**** 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)
