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Connector EMI Suppression Plates (2644373941)

Part Number: 2644373941
44 MULTI-HOLE PLATE
Connector Plates
Suppression Components
Cable Component
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Connector EMI Suppression Plates

Part Number: 2644373941

44 MULTI-HOLE PLATE

Explanation of Part Numbers:
– Digits 1 & 2 = Product Class
– Digits 3 & 4 = The 44 Material Grade

To provide suppression of conducted EMI at critical interfaces Fair-Rite has available a line of suppression plates that can be used with many types of connectors. All connector plates are supplied in the NiZn 44 grade ideally suited for this application because of its high impedance along with a high resistivity.

•For any connector EMI suppression plate requirement not listed here, feel free to contact our customer service group for availability and pricing.

The “C” dimension can be modified to suit specific applications.

Weight: 2.9 (g)

Dimmmmm tolnominal inchinch misc.
A21.6±0.250.85_
B11.65-0.400.451_
C1.52±0.130.06_
D2.54±0.130.1_
E7.62±0.150.3_
F1+0.150.042_
Connector Plate
# Holes# Rows
162

Chart Legend
+ Test frequency

Typical Impedance (Ω)
25 MHz+19
100 MHz+36

Connector plates are controlled for impedances only.•

Minimum impedance values are specified for the + marked frequencies.

The minimum impedance is typically the listed typical impedance less 20%.•

Single turn impedance tests are performed on the 4193A Vector Impedance Analyzer, using the shortest practical wire length.

Typical Impendance (Ω)
25 MHz+ 19
100 MHz+ 36

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 125
1.0
Temperature Coefficient of Initial Permeability (20 -70°C) % / °C 0.75
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 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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