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Noise Suppression Products/EMI Suppression Filters

Type and Features of Noise Suppression Filter

Type Features Suitable Circuits
Ferrite Bead BLM/BLA Series
  • Miniaturized
  • Unnecessary of GND connection
  • Effective at low impedance line
  • Application set with less noise radiation
  • Low impedance line
Capacitor TypeNFM/NFA/NFE/NFR/NFL/NFW Series
  • Great noise suppression effect
  • With effect as By-Pass capacitor (Lineup for Power)
  • Good noise separation from signal (LC filter for Signal)
  • Effective at high impedance line
  • Application set with higher noise radiation
  • High impedance line
  • Circuit with By-Pass capacitor
  • Circuit driven by high frequency
Common Mode Choke Coil
  • Possible to suppress noise with less affect of ultra high speed signal
  • Great effect for common mode noise
  • Less magnetic saturation by current

  • High speed differential signal line
  • I/F cable driver
  • Power line
Selection guides of ferrite bead type / capacitor type is here.
Selection guide of common mode choke coil is here.

Example

Example
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Global / MURATA MANUFACTURING CO.,LTD.
Three-terminal Capacitor Suppresses differential mode noise. Common Mode Choke Coil Suppresses differential mode noise. Ferrite Bead Inductor Suppresses differential mode noise. Common Mode Choke Coil Suppresses differential mode noise. Ferrite Bead Capacitor Type Common Mode Choke Coil