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Round Cable Snap-Its (0431177081)

Part Number: 0431177081
31 SPLIT ROUND CABLE ASSEMBLY
Lower & Broadband Frequencies 1-300 MHz (31 material)
Suppression Components
Cable Component
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Round Cable Snap-Its

Part Number: 0431177081

31 SPLIT ROUND CABLE ASSEMBLY

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

Round cable snap-its can easily accommodate round cables or bundled wires with diameters from 2.5 mm (0.100”) to 25.4 mm (1.000”). These assemblies are available in four ferrite material classes to suppress differential or common-mode conducted EMI from 1 MHz into the GHz region. The polypropylene cases are meeting the RoHS restrictions of hazardous substances and have a flammability rating of UL 94 V-0.

•Many of the snap-it parts have round core equivalents. See “Round Cable EMI Suppression Cores”.

•Round Cable Snap-It Kits are available for each of the four suppression materials. 31 Snap-It Kit (0199000030), 43 Snap-It Kit (0199000031), 46 Core and Snap-It Kit (0199000032) and 61 Snap-It Kit (0199000033).

The “B” dimension is the core inside diameter.

Weight: 308 (g)

Dimmmmm tolnominal inchinch misc.
A56.4_2.22_
B25.65_1.01_
C42.95_1.69_
D27.45_1.08_
Cable Information
Max DiameterMax DimensionSolid EquivalentFlat Cable Cores
25.15
0.99
_2631626202-

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

Typical Impedance (Ω)
1 MHz45
5 MHz90
10 MHz+125
25 MHz+218
100 MHz+375
250 MHz340

• 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 the 31, 43/44 and 46 material parts are performed on the 4193A Vector Impedance Analyzer. The 61 material parts are tested on the 4291A RF Impedance Analyzer and 75 material parts are tested on the 4285A LCR Meter.. Cores are tested with the shortest practical wire length.

Typical Impendance (Ω)
1 MHz 45
5 MHz 90
10 MHz+ 125
25 MHz+ 218
100 MHz+ 375
250 MHz 340

A MZn ferrite designed specifically for EMI suppression applications from as low as 1 MHz up to 500 MHz. This material does not have the dimensional resonance limitations associated with conventional MZn ferrite materials.

Available in 31 Material:
Round Cable EMI Suppression Cores
Round Cable Snap-Its
Flat Cable EMI Suppression Cores
Flat Cable Snap-Its

31 Material Characteristics
Property Unit Symbol Value
Initial Permeability@B < 10 gauss µi 1500
Flux Density @ Field Strength Gauss
Oersted
B
H
3900
5
Residual Flux Density Gauss Br 3200
Coercive Force Oersted Hc 0.28
Loss Factor @ Frequency 10 -6
MHz
Tan δ/ µi 20
0.1
Temperature Coefficient of Initial Permeability (20 -70°C) %/°C 1.3
Curie Temperature °C Tc >130
Resistivity Ω cm ρ 3000

**** 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 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.


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