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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4077375211


Fair-Rite Ferrite Toroids Ferrite Rings 77 Solid Rod 9.45x50.80MM
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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.

Fair-Rite Availability : 1487
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USD 0.9539

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4400-097LF


EMI Feedthrough Filters 2700pF 100Volts@125C
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CTS Availability : 556
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USD 25.7048

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B65878E1012D001


EPCOS TDK Ferrite Cores & Accessories PQ2625 Sumikon PM 9820
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TDK Availability : 553
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USD 0.6995

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4788-PA-51H-01800


EMI Connector Gaskets & Grounding Pads FoF Rectangular L 18"xW .25"xH .125"
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Laird Connectivity Availability : 553
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USD 4.4781

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NL03JTCR39


Inductor: wire; SMD; 0603; 0.39uH; 1400mA; 410mO; ftest:7.96MHz
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Viking Availability : 552
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USD 0.1016

Multiples of: 10

ACF451832-470-TD01


EMI Network Filter Signal Line EMI Filter
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TDK Availability : 552
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USD 0.2402

Multiples of: 1000

7878400421


Ferrite Cores & Accessories 78 PlanarEI Core Set EI 32/10 PLANAR
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Fair-Rite Availability : 552
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USD 1.6643

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B65541T0250A048


Ferrite Cores & Accessories P 14X8 N48 250 +3%-3%
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TDK Availability : 552
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USD 2.2323

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74272221


Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite
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Wurth Availability : 551
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USD 7.4056

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NL12KTC151


Inductor: wire; SMD; 1812; 150uH; 140mA; 6.5O; ftest:0.796MHz; Q:20
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Viking Availability : 550
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USD 0.1094

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HPI0630-1R5


Inductor: wire; SMD; 1.5uH; Ioper:9.2A; 11.5mO; ±20%; Isat:10.9A
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Ferrocore Availability : 549
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USD 0.1829

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Hot 2631102002


Ferrite Cable Cores 31 Round Cable Core Z=260 OHM @100MHz
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Fair-Rite Availability : 549
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USD 1.3437

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ESD-FPL-28-10


Ferrite Cable Cores 24x0.8mm Bare Ni-Zn for Flat Cable
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Kemet Availability : 549
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USD 0.6011

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B66344G0000X187


EPCOS TDK Ferrite Cores & Accessories E552825 N87OL
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TDK Availability : 549
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USD 4.6364

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6278230121


Ferrite Cores & Accessories 78 RM Core RM8 Ind 3000 nH 25% TOL
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Fair-Rite Availability : 548
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USD 0.7927

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B66361G200X187


Ferrite Cores & Accessories ETD34/17/11 N87 gap 0.2 mm
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TDK Availability : 548
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USD 1.0829

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RFS2-27-12-A5


Core: ferrite; for flat cable; 28O; A:40mm; B:6.5mm; C:12mm; D:35mm
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ESSENTRA Availability : 548
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USD 1.3601

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DJNR6028-1R5-S


Inductor: wire; SMD; 1.5uH; Ioper:4.2A; 16mO; 6x6x2.8mm; ±30%
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Ferrocore Availability : 547
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USD 0.1173

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B65661W0000R030


EPCOS TDK Ferrite Cores & Accessories P 22X13 N30 8300 30%-20%
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TDK Availability : 547
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USD 2.814

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Hot 2643167851


Fair-Rite Ferrite Cable Cores 43 FULL FLAT CBL COR Z=169 OHM 100MHz
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Fair-Rite Availability : 517
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USD 2.4937

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