Common Mode ChipChoke™ Noise Filter


Pulse Electronics has expanded their product offering to help eliminate common mode noise in high-speed signal transmission applications such as USB 2.0, IEEE1394, LVDS and HDMI™. ChipChoke™ common mode chokes provide filtering between the circuits and external connectors and are ideal for high-density boards where space is at a premium. They are offered in 0805(2012) and 1206(3216) package sizes with the availability of magnetically shielded versions.

Common mode ChipChoke™ application

Applications

  • USB 2.0
  • LVDS
  • HDMITM
  • IEEE1394
  • PC main boards and notebook PCs
  • Digital TV
  • Digital cameras
  • Gaming stations
  • Cable modems
  • FTTP
  • DVD recorders
  • LCD and PDP monitors
  • PLC modems
  • Cell phones


Features and Benefits

0805 (Epoxy Coating) ChipChoke™
  • Small footprint design - ideal for high-density board
  • Greater impedance at high frequencies than 0805 with magnetic shield
0805 (Magnetic Shield) ChipChoke™
  • Small footprint design - ideal for high-density board
  • Higher inductance with good performance, lower DC resistance and greater current handling than unshielded
  • Greater impedance overall than 0805 with epoxy coating
1206 (Magnetic Shield) ChipChoke™
  • Standard footprint features
  • Higher inductance with good performance, lower DC resistance and greater current handling than 0805 series
  • Greatest impedance

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