73 Material 

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

EMI Suppression beads, beads on leads, SM beads, and multi-aperture cores are all available in 73 material.

 


73 Material Characteristics


Property Unit Symbol Value
Initial Permeability
@ B <10 gauss
  µi 2500
Flux Density
@ Field Strength
Gauss
oersted
B
H
3900
5
Residual Flux Density Gauss Br 1500
Coercive Force Oersted Hc 0.24
Loss Factor
@Frequency
10-6
MHz
tan δµi 10
0.1
Temperature Coefficient of
Initial Permeability (20-70oC)
%/oC   0.65
Curie Temperature oC Tc >160
Resistivity Ω cm ρ 1 x 102





   

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