
CFML/CFMJ
AM CERAMIC FILTERS WITH MATCHING COIL
August 2005
 2005 TOKO America, Inc.
All Rights Reserved  
Printed in USA
1
CF-320-CFML/J
R-LOG0805A
Dimensions 
TOKO America, Inc. 
1250 Feehanville Drive,  Mount Prospect, Illinois  60056
Tel: (847) 297-0070   Fax: (847) 699-7864   Web: http://
www.tokoam.com
The information furnished by TOKO, Inc. is believed to be accurate and reliable.  However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture 
of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or 
other rights of third parties which may result from the use of its products.  No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc.
Description
 AM filters combining low profile matching coil with
  CFMR, CFMD types.
 Center frequency range: 450 — 470kHz  
Features
 Can be preset if required
 High selectivity, suited to a wide range of applications
 Low temperature coefficient
 Low spurious response  
 Lead-free terminations   
Applications
 AM radio-cassettes, high selectivity radio cassettes
 Wireless data communication equipment 
STANDARD FILTERS SELECTION GUIDE 
CFMJ 
(7PSG+CFMD)  
(CERASIZER 
/Quintuple-tuned)
TYPE CFML/CFMJ (CERASIZER
)
TOKO               Center              Bandwidth          Selectivity              Ripple                 Input Level              
         Part              Frequency               at 6dB            at Fo±9kHz       in Pass Band            for 0.6mV            Note
        Number                (kHz)                    (kHz)                    (dB)
(dB)                  Output (dB)              
 ##PCFML-023        450±1.0                6.0 min.              23.0 min.              1.0 max.                 77.0±3.0       Triple-tuned
    ##PCFMJ-001        450±1.0                6.0 min.              35.0 min.              2.0 max.                 75.5±3.0   Quintuple-tuned
CFML 
(7PSG+CFMR)  
(CERASIZER 
/Triple-tuned)
Unit: mm
Cc: 180 pF with CFMJ-001
0
Unit: mm
Test Circuits 
CFMJ 
CFML