About EMI Filters / EMI Suppression

EMI Filters / EMI Suppression

EMI Filters, or Electromagnetic Interference (EMI) Filters, are devices designed to filter out high-frequency interference in order to reduce Electromagnetic interference (EMI). This type of filter is made up of components that reduce EMI or noise at a given frequency range. Common components of an EMI filter include capacitors, inductors, and ferrites. These components work together to form an LC circuit which will dampen the high frequency signals that cause the EMI. However, the effectiveness of an EMI Filter will depend on the implementation and design of the filter, as well as the type and strength of interference that is present. It is important to note that EMI Filters can only provide limited attenuation, meaning that the amount of interference or noise that is reduced will not always be sufficient for a given application. Careful design and implementation is required in order to ensure that the EMI Filter is sufficiently shielding the system from EMI sources.
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B64290L0632X087


Ferrite Cores & Accessories 20X10X7 N87 TOROID
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TDK Availability : 648
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USD 0.7585

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B66481GX149


Ferrite Cores & Accessories EQ25 N49 UNGAPPED
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TDK Availability : 647
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USD 1.4882

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B65813J0000R097


EPCOS TDK Ferrite Cores & Accessories RM10 N97 4200 30%-20%
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TDK Availability : 647
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USD 2.8765

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U20/16/7-3C94


Core: ferrite; U; 3C94; 1900nH; 3800mm3; 56mm2; A: 20.8mm; B: 6.4mm
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Ferroxcube Availability : 646
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USD 0.5128

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Hot 5943007601


Fair-Rite Ferrite Toroids Ferrite Rings 43 Toroid 12.7mm 22.1mm
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Fair-Rite Availability : 646
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USD 0.7993

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0444167281


Ferrite Clamp On Cores BB Freq 43&44 Mat 260Ohm @250MHz Round
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Fair-Rite Availability : 646
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USD 1.9425

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Hot 2675023002


Ferrite Cable Cores 75 Round Cable Core Imp 17 Ohms @ 200KHz
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Fair-Rite Availability : 646
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USD 0.3324

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RRH-142-64-285


Ferrite: sleeve; L:28.5mm; Øint:6.35mm; Øout:14.2mm; 164O
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ESSENTRA Availability : 646
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USD 0.8551

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SMS-210-F


EMI Connector Gaskets & Grounding Pads This is Frame. Cover is 861-SMS210C
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LeaderTech Availability : 646
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USD 1.6059

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ESD-R-38D-B


Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm
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KEMET Availability : 646
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USD 5.6028

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Hot 2518061517Y0


Fair-Rite EMI Filter Beads, Chips & Arrays MULTILAYER CHIP BEAD Z=150 OHM100MHz 25%
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Fair-Rite Availability : 645
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USD 0.0289

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SMS-406C


EMI Gaskets Sheets Absorbers & Shielding 1.326X1.45X0.2 NON-VENT COVER
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LeaderTech Availability : 645
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USD 0.3551

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4046-PA-51H-01800


Laird Technologies EMI Connector Gaskets & Grounding Pads Fabric Over Foam Sq L 18"xW .118"xH.118"
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Laird Connectivity Availability : 644
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USD 3.6984

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Hot KMZ1608YHR102BTD25


Ferrite Beads 1kMHz 0.5Ohm 25% 1608 AEC-Q200
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TDK Availability : 643
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USD 0.0027

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Hot ZCAT1325-0530A-BK


Ferrite Clamp On Cores Round 4mmUSB Black Cable Clamp Filter
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TDK Availability : 643
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USD 0.4377

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RKCF-06-A5


Ferrite: two-piece; on round cable; Ø:6.5mm; 180O; A:20.5mm
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ESSENTRA Availability : 642
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USD 2.7515

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8863-0110-81


Laird Technologies EMI Connector Gaskets & Grounding Pads OStrSd,EcE081 1.6mm 1PC=1FT
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Laird Connectivity Availability : 641
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USD 6.6263

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5678140921


Ferrite Cores & Accessories 78 Pot Core P14/8 Ind 1950 nH 25% TOL
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Fair-Rite Availability : 640
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USD 0.5763

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0805AS-5R6K-08


Inductor: coil; SMD; 0805; 5.6uH; 0.09A; 9.5O; ftest:7.9MHz; Q:15
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Fastron Availability : 639
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USD 0.1938

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SMS-102


EMI Connector Gaskets & Grounding Pads Surface Mnt Shields 1 Pc 0.650" x 0.650"
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LeaderTech Availability : 639
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USD 1.1324

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