Original New 100% Ceramic Filter Sfu455y 455khz Dip 3pin 455a 455b (inductor) - Inductors - AliExpress
rf - Is it possible to combine two CFU455IT +/-2kHz (4kHz) ceramic filters to get a +/-1.25kHz bandwith (2.5kHz) filter? - Electrical Engineering Stack Exchange
455KHz SMT Ceramic Filter Murata SFGCC455AX2-TC | West Florida Components