High Attenuation Ferrite Beads

Description

A broad range of wirewound ferrite beads in standard package sizes from 0201 (0603) to 1812 (4532) offer superior attenuation and frequency performance to enable smaller solution sizes compared to traditional thick-film chip ferrite beads. Ferrite beads are used as low pass filters to eliminate high frequency noise while allowing low frequency signals or DC current to pass through a circuit.

 

Coilcraft wirewound ferrite beads feature a ferrite construction and heavy gauge wire for high current handling. They provide extremely low DCR while maintaining high filtering impedance across a wide bandwidth – up to GHz band. These features enhance the performance of the choke circuit while potentially reducing board space by replacing a larger chip ferrite bead with an equivalent, or higher-performing wirewound ferrite bead.

 

Coilcraft offers 11 families of wirewound ferrite beads, all of which are RoHS-compliant and halogen free. Three models (the 0603LS, 0805LS and 1008LS) are qualified to AEC-Q200 Grade 3 standards (-40 to +85°C ambient), making them suitable for automotive and other harsh-environment applications.

Specs

  • Higher performance than other surface mount ferrite beads in the market
  • High impedance across a wide bandwidth; up to GHz band
  • Ferrite construction and heavy gauge wire for high current handling
  • Extremely low DCR for high current applications
  • Eliminates high frequency noise in power supplies or RF signal isolation applications
  • AEC-Q200 Grade 3 (−40 to +85°C)
  • COTS Plus tin-silver-copper and tin-lead terminations available
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