This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, its specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our Note Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. Note P05E.pdf sales representatives or product engineers before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 08.1.22 Ceramic Filters (CERAFILr)/Ceramic Discriminators for Communications Equipment CERAFILr Plastic Case Miniaturized Type CFWLB Series 9.50.3 MARKING CFWLB series ceramic filters are miniature, high EIAJ CODE performance ceramic filters composed of piezoelectric elements connected in a ladder form. These filters, only 6.3mm high, are 67% the volume 0.70.1 of conventional types. 0.150.05 They are well suited for miniaturizing various kinds 0.50.1 2.70.3 2.50.3 2.80.3 0.90.3 of communications equipment, pocket pagers, pagers, Connection (1) : Input (1) (2) car radios, cordless telephones and mobile telephones. (2) : Output (3) (4) (3) (5) (4) : Ground (5) 0.70.3 n Features (in mm) 1. Miniature and high selectivity 2. A variety of bandwidths are available. 3. Operating temperature range: -20 to +80 (degrees C) Storage temperature range: -40 to +85 (degrees C) Nominal Center 6dB Stop Stop Band Insertion Input/Output Part Number Frequency (fn) Bandwidth Bandwidth Attenuation Loss Impedance (kHz) (kHz) (kHz) (dB) (dB) (ohm) fn 15.0 fn 30.0 max. 35 min. 4.0 max. CFWLB455KBFA-B0 455.0 1500 min. within 50dB within fn 100kHz at minimum loss point fn 12.5 fn 24.0 max. 35 min. 4.0 max. CFWLB455KCFA-B0 455.0 1500 min. within 50dB within fn 100kHz at minimum loss point fn 10.0 fn 20.0 max. 35 min. 4.0 max. CFWLB455KDFA-B0 455.0 1500 min. within 50dB within fn 100kHz at minimum loss point fn 7.5 fn 15.0 max. 35 min. 6.0 max. CFWLB455KEFA-B0 455.0 1500 min. within 50dB within fn 100kHz at minimum loss point fn 7.5 fn 15.0 max. 60 min. 5.0 max. CFWLB455KEFA004-B0 455.0 1500 min. within 60dB within fn 15kHz to 30kHz at fn fn 6.0 fn 12.5 max. 35 min. 6.0 max. CFWLB455KFFA-B0 455.0 2000 min. within 50dB within fn 100kHz at minimum loss point 12 fn 4.5 fn 10.0 max. 35 min. 6.0 max. CFWLB455KGFA-B0 455.0 2000 min. within 50dB within fn 100kHz at minimum loss point fn 3.0 fn 9.0 max. 55 min. 6.0 max. CFWLB455KHFA-B0 455.0 2000 min. within 50dB within fn 100kHz at minimum loss point fn 2.0 fn 7.0 max. 55 min. 7.0 max. CFWLB455KJFA-B0 455.0 2000 min. within 50dB within fn 100kHz at minimum loss point CFWLB455K series filters are 4-element ceramic filters and miniature versions of CFWLA455K series. For safety purposes, connect the output of filters to the IF amplifier through a D.C. blocking capacitor. Avoid applying a direct current to the output of ceramic filters. The order quantity should be an integral multiple of theMinimum Quantit shown in package page in this catalog. 37 1.00.3 4.30.3 3.50.3 6.50.3 6.30.3 1.0 max. This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, its specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our Note Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. Note P05E.pdf sales representatives or product engineers before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 08.1.22 n Test Circuit R1 (1) (2) (3) (4) (5) Rg RF Voltmeter Connection E1 R2 E2 S.S.G. 0dBm (1) : Input (2) : Output (3)(4)(5) : Ground Rg+R1=R2=Input/Output Impedance n Frequency Characteristics CFWLB455KEFA-B0 CFWLB455KEFA-B0 0 200 0 10 10 20 20 150 30 30 40 40 100 50 50 60 60 70 70 50 80 80 90 90 100 100 0 430 455 480 200 300 400 500 600 700 800 900 1000 Frequency (kHz) Frequency (kHz) 12 38 Attenuation (dB) G.D.T. (sec.) Attenuation (dB)