Nominal Center Frequency (fn): 450.0kHz
6dB Bandwidth:  fn±6.0kHz min.
Stop Bandwidth: fn±12.5kHz min.
Area of Stop Bandwidth: [within 50dB]
Stop Band Att.(1):50dB min.
Area of Stop Band Att.(1):[within fn±100kHz]
Insertion Loss: 6.0dB max.
Ripple: 3.0dB max.
Area of Ripple: [within fn±4kHz]
 
Part No. CFWKA450KFFA-B0
In Stock: 6

Datasheet:  http://www.murata.com/catalog/p05e14.pdf