EMI Suppression Filters
(EMC and Noise Suppression)

EMI Suppression Filters
Noise suppression has become an important issue, particularly with regard to electromagnetic interference (EMI) and electromagnetic compatibility (EMC).
Murata provides you with total support, including products and design simulation software solutions based on expertise acquired through extensive on-site experience. This enables us to offer noise suppression solutions for a broad array of applications. We provide you product information on EMI suppression filters, including ferrite beads, filters with integrated capacitors (EMIFIL®), common mode choke coils, and block-type (high damping of large currents) filters. You can also search for detailed product information and view product lineups, usage instructions, example solutions to problems, PDF catalogs, and links to related content.

Murata Icon X Product Lineup

Chip Ferrite Beads

BL□ Series

Chip EMIFIL® (Chip 3 Terminal Capacitor - LC, RC Complex Type)

NF□ Series

DL-PL Series

DL□ / PL□ Series

Block Type EMIFIL®

BNX Series

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  Examples of Noise Suppression Technology

Noise Suppression Basic Course
Noise Suppression Basic Course
To implement noise suppression in digital devices, it is important to have a good understanding of how noise is generated, how it is transferred, and how it causes problems. This introduction provides basic knowledge related to noise suppression, including the principles of noise generation, various ways that noise is transferred, and the characteristics of noise.
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LTE Noise Suppression Course
LTE Noise Suppression Course
As a cause of reduced communication throughput in LTE systems, so-called intra-system EMC problems occur when noise generated in the product’s internal digital circuits intrudes into the wireless circuits and lowers reception sensitivity. Please consult this explanation of the sources of problematic noise and examples of the use of EMI filters to solve the problem.
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Examples of actions taken to comply with the CISPR25 standard governing radio emissions (noise emitted) from devices mounted in vehicles
There are many kinds of problematic noise that are emitted from the devices installed in vehicles.
The examples of the actions taken to suppress noise described here deal with the noise that is radiated from the USB signal cables.
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Cutting-edge Measures to Suppress Noise
Presenting noise suppression solutions that offset the reductions in reception sensitivity caused by the self-inflicted interference of Wi-Fi and that deal with the noise emanating from LED lighting and wireless power transfers. We also introduce ways to select the ideal power inductors for DC-DC converters, as well as solutions for problems that can be implemented at the design stage.
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At the Forefront of Noise Suppression
Application Guide
Suitable components are identified for specific applications, for example, accetpable applications for EMI filters in products such as digital cameras, smartphones, Blu-Ray™ players, LCD TVs, and mobile phones, accompanied by block diagrams.
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Murata Icon X PDF Catalog

PDF catalog relates to a EMI Suppression Filters is below

EMI Suppression Filters

SMD/BLOCK Type EMI Suppression Filters EMIFIL® (PDF: 15.1MB)

  • CAT NO. c31e-26
  • UPDATE 9/24/2014
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EMI Suppression Filters (for DC)/Chip Inductors for Automotive (PDF: 7.5MB)

  • CAT NO. c51e-1
  • UPDATE 9/30/2014
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EMI Suppression Filters (Lead Type EMIFIL®) (PDF: 0.9MB)

  • CAT NO. c30e-4
  • UPDATE 3/16/2015
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EMI Suppression Filters for Digital Equipment (PDF: 2.1MB)

  • CAT NO. c33e
  • UPDATE 5/12/2004
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EMI Suppression Filters Application Guide (PDF: 0.9MB)

  • CAT NO. c35e-2
  • UPDATE 9/13/2013
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Application Manual for Power Supply Noise Suppression and Decoupling for Digital ICs (PDF: 3.6MB)

  • CAT NO. c39e
  • UPDATE 7/26/2010
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