CFWS455IT Datasheet | Murata

FEATURES 1. Low profile, high selectivity. 2. Available bandwidths B to I as standard. 3. Easily mountable on an any PC boards. 4.Operating temperature range : Y20D to W80D Storage temperature range : Y40D to W85D !SPECIFICATIONS Character- Nominal Center 6d B Bandwidth istics Frequency (k Hz)min. (k Hz) Part Number CFWS455B CFWS455C CFWS455D CFWS455E CFWS455F CFWS455G CFWS455HT CFWS455IT 455 455 455 455 455 455 455 455 T15 T12.5 T10 T07.5 T06 T04.5 T03 T02 Ripple (d B)max. 3 3 3 3 3 2 2 2 50d B Bandwidth (k Hz)max. T30 T24 T20 T15 T12.5 T10 T09 T07.5 Attenuation 455T100k Hz (d B)min. 35 35 35 35 35 35 60 60 Insertion Loss (d B)max. 4 4 4 6 6 6 6 6 Input/Output Impedance (Ω) 1500 1500 1500 1500 2000 2000 2000 2000 !DIMENSIONS 11.0T0.5 3.5T0.5 7.5T0.5 7.0T0.5 !TEST CIRCUIT !FREQUENCY CHARACTERISTICS CFWS455E 0.8T0.1 R1 2.0 4.3 Rg S.S.G. CFWS455 t q w er Attenuation (d B) 10 20 5-0.15T0.05 2.0 2.3T0.5 t q w e r 0.6T0.1 4.3 R2 R.F. Voltmeter 30 40 50 60 70 5-1.0φ Hole 1.2T0.5 2.6 2.9 2.9 2.6 2.9 2.9 (Back Side of PCB) Rg WR1=R2=Input/Output Impedance Connection q Input wer Ground t Output Tol. without notice : T0.3 (in mm) Connection q Input wer Ground t Output 80 410 420 430 440 450 460 470 480 490 500 Frequency (k Hz) Note : To take best advantage of safety feature of ceramic filters, connect the output to an IF amplifier through a DC cut capacitor. Avoid directly applying a direct current to output of ceramic filters (between 5 and 2,3,4). Free Datasheet...