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Flat Cable EMI Suppression Cores (2631163851)

Part Number: 2631163851
31 FULL FLAT CABLE CORE
Lower & Broadband Frequencies 1-300 MHz (31 material)
Suppression Components
Cable Component
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Part Number: 2631163851

31 FULL FLAT CABLE CORE

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

Flat cable suppression core can accommodate multi-conductors flat cables, in widths from 12.7 mm (0.500”) up to 77 mm (3.0”). These flat cable cores are available in two ferrite material grades to reduce conducted EMI from 1 MHz to hundreds of MHz.

•Our “ Expanded Cable & Suppressor Kit” (part number 0199000005) contains a selection of these flat cable cores and clips.

Flat Cable Cores are available in selected sizes in the “Flex Circuit & Ribbon Cable Core Kit” (part number 0199000038).

Assembly clips are available for most of the split flat cable cores. See section “Flat Cable Cores Assembly clips”.

Weight: 51 (g)

Dimmmmm tolnominal inchinch misc.
A38.1±1.001.5_
B26.65±0.751.05_
C25.4±0.751_
D12.05±0.400.475_
E1.9±0.400.075_
Cable Information
Max DiameterMax DimensionSolid EquivalentFlat Cable Cores
0
0
25.90 x 1.50_-

Chart Legend
+ Test frequency
•For assembly clips see Flat Cable Cores Assembly Clips

Typical Impedance (Ω)
1 MHz20
5 MHz52
10 MHz+68
25 MHz+112
100 MHz+240
250 MHz440

•Flat cable suppression cores, split or single cores, are controlled for impedances only. Minimum impedance values are specified for the + marked frequencies. The minimum impedance is typically the listed impedance less 20%.

Centered, single turn impedance tests for the 31 and 43 material parts are performed on the 4193A Vector Impedance Analyzer. All tests are made with the shortest practical wire length.

Typical Impendance (Ω)
1 MHz 20
5 MHz 52
10 MHz+ 68
25 MHz+ 112
100 MHz+ 240
250 MHz 440

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.


Storage and Operating Temperature
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