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CFWS455

Murata
Part Number CFWS455
Manufacturer Murata
Description High Selectivity Low Profile Type Ceramic Filter
Published Mar 26, 2014
Detailed Description This is the PDF file of catalog No.P05E-9. *CERAFIL® is the Registered Trademark of Murata Manufacturing Co., Ltd. No.P...
Datasheet PDF File CFWS455 PDF File

CFWS455
CFWS455

Overview
This is the PDF file of catalog No.
P05E-9.
*CERAFIL® is the Registered Trademark of Murata Manufacturing Co.
, Ltd.
No.
P05E9.
pdf 00.
7.
20 CERAFIL ® Ceramic Filter for Communications Equipment CFWS455 Series Resin Molded, High Selectivity Low Profile Type Ceramic Filter (6-Element) Ceramic filter CFWS455- series are low profile high selectivity ceramic filters which use 6 elements in ladder form.
They have the same electric characteristics as CFW455- series, best suitable to high-class transceivers, cordless telephones and amateur radios.
!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 6dB Bandwidth istics Frequency (kHz)min.
(kHz) 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 (dB)max.
3 3 3 3 3 2 2 2 50dB Bandwidth (kHz)max.
T30 T24 T20 T15 T12.
5 T10 T09 T07.
5 Attenuation 455T100kHz (dB)min.
35 35 35 35 35 35 60 60 Insertion Loss (dB)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 0.
8T0.
1 R1 2.
0 4.
3 Rg S.
S.
G.
CFWS455 t q w er Attenuation (dB) 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) RgWR1=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 (kHz) 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...


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