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Oval Snap-It™ Core (0444184751)

Part Number: 0444184751
44 OVAL CABLE CORE ASSEMBLY
44 Material
Suppression Components
Cable Component
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Part Number: 0444167281

44 ROUND CABLE CORE ASSEMBLY

Explanation of Part Numbers:
– Digits 1 & 2 = Product Class
– Digits 3 & 4 = Material Grade

 

 

 

The B dimension is the core inside diameter.

Weight: 33 (g)

Dimmmmm tolnominal inchinch misc.
A40.32+/- 1.0 1.59_
B19.20 MinMin0.75
C43.5+/- 1.01.71_
D28.62+/- 1.01.13_
E9.20_0.36
F3.57_0.14

Chart Legend
+ Test frequency
•For solid cable cores, see Oval Cable EMI Suppression Cores

Typical Impedance (Ω)
25 MHz114
100 MHz178
Electrical Properties
Ae(cm2)127
Σl/A(cm-1)0.583
le(cm)74.1
Ve(cm3)9410

Round cable snap-it assemblies are controlled for impedances only. Minimum impedance values are specified for the + marked frequencies. The minimum impedance is typically the listed impedance less 20%.

 

Single turn impedance tests for 31, 43 and 46 material cores are performed on the E4991A/HP4291B Impedance Analyzer. The 61 material parts are tested on the E4991A / HP4291B Impedance Analyzer and 75 material parts are tested on the E4990A Impedance Analyzer. Cores are tested with the shortest practical wire length.

Typical Impendance (Ω)
25 MHz+ 114
100 MHz+ 178
250 MHz 260

 

 

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)

Ferrite Material Constants

Specific Heat
0.25 cal/g/°C
Thermal Conductivity
3.5 - 4.5 mW/cm-°C
Coefficient of Linear Expansion
8 - 10x10-6/°C
Tensile Strength
4.9 kgf/mm2
Compressive Strength
42 kgf/mm2
Young's Modulus
15x103 kgf/mm2
Hardness (Knoop)
650
Specific Gravity
≈4.7 g/cm3
The above quoted properties are typical for Fair-Rite MnZn and NiZn ferrites.


Storage and Operating Temperature
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