43 Material 

This NiZn is our most popular ferrite for suppression of conducted EMI from 20 MHz to 250 MHz. This material is also used for inductive applications such as high frequency common-mode chokes.

EMI suppression beads, beads on leads, SM beads, multi-aperture cores, round cable EMI suppression cores, round cable snap-ifs, flat cable EMI suppression cores, flat cable snap-ifs, miscellaneous suppression cores, bobbins, and toroids are all available in 43 material.

43 Material Characteristics

Property Unit Symbol Value
Initial Permeability
@ B <10 gauss
  µi 800
Flux Density
@ Field Strength
Residual Flux Density Gauss Br 1300
Coercive Force Oersted Hc 0.45
Loss Factor
tan δµi 250
Temperature Coefficient of
Initial Permeability (20-70oC)
%/oC   1.25
Curie Temperature oC Tc >130
Resistivity Ω cm ρ 1 x 105


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