A NiZn ferrite developed to combine a high suppression performance, from 30 MHz to 500 MHz, with a very high DC resistivity.

Dim mm mm tol nominal inch inch misc.

A 23.7 _ 0.933 _

B 10.15 _ 0.4 _

C 39.4 _ 1.55 _

D 11.7 _ 0.46 _

44 ROUND CABLE CORE ASSEMBLY

Broadband Frequencies 25-300 MHz (43 & 44 materials)

Suppression Components

Cable Component

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Basic Electrical Mechanical Material

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.

Ferrite Material Constants

Specific Heat0.25 cal/g/°CThermal Conductivity3.5 - 4.5 mW/cm-°CCoefficient of Linear Expansion8 - 10x10-6/°CTensile Strength4.9 kgf/mm2Compressive Strength42 kgf/mm2Young's Modulus15x103 kgf/mm2Hardness (Knoop)650Specific Gravity≈4.7 g/cm3

The above quoted properties are typical for Fair-Rite MnZn and NiZn ferrites.l