Murata's CFU, CFW, SFP 455kHz Ceramic Filters

Part Number Information
Part #: Price/Availability:
CFUC Buy Now
CFUK Buy Now
CFUL Buy Now
CFWL Buy Now
CFWK Buy Now
SFPK Buy Now

The CFU, CFW and SFP families of piezoelectric ceramic filters provide superior electrical and mechanical performance in all types of RF products and applications. Center frequencies of 455kHz or 450 kHz are available, in bandwidths from ±2kHz to ±17.5kHz. Both leaded and SMD styles are available, and many types are offered with optimally flat group delay characteristics for best performance in digital signal applications. All products are RoHS compliant.


  • Miniaturized, rugged package
  • Variety of bandwidths
  • GDT controlled performance available
  • 455kHz or 450kHz available
  • Highly selective bandpass response
  • RoHS compliant
  • Best for low-profile, portable equipment
  • Suitable for all popular applications
  • Needed for digital signal processing
  • Applicable for many standard designs
  • Optimum performance
  • Meets international environmental regulations


  • Cellular & Cordless Phones
  • Public Service Radios
  • Commercial/Consumer Radios
  • Pagers, PDAs, and Security Systems