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.