
CFMM2/CFMM3
AM CERAMIC FILTERS
August 2005
 2005 TOKO America, Inc.
All Rights Reserved  
Printed in USA
1
CF-315-CFMM2/3
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.
Typical Characteristics  
Frequency Response  
Description
 Small type CERASIZER
 of unique structure for 
  2/3-element AM IF filters.
 Center frequency range: 450 to 470kHz
 Bandwidth at 6dB: 4 to 8kHz. 
Features
 Compact, low profile
 High selectivity characteristic
 Low temperature coefficient 
 Lead-free terminations 
Applications
 AM radio cassettes, stereo sets
 Tuner packs, communications equipment.   
 Wireless data communication equipment 
STANDARD FILTERS SELECTION GUIDE 
TYPE CFMM2/CFMM3 (CERASIZER
)
TOKO                    Center            Bandwidth         Selectivity              Ripple            Insertion       Input/Output
           Part             Frequency (Fo)*         at 6dB            at Fo±9kHz        in Pass Band           Loss             Impedance
           Number                   (kHz)                   (kHz)                   (dB)
         (dB)                  (dB)                   (k
Ω
)
CFMM2
##ACFMM2-450AL        450±1.0               4.0 min.               18.0 min.            1.0 max.              6.0 max.           3.0/3.0
  ##ACFMM2-450BL        450±1.0               5.5 min.               16.0 min.            1.0 max.              6.0 max.           3.0/3.0
##ACFMM2-450CL        450±1.0               8.0 min.               12.0 min.            2.0 max.              6.0 max.           3.0/3.0
CFMM3
##ACFMM3-450AL        450±1.0               4.0 min.               28.0 min.            2.0 max.              6.0 max.           3.0/3.0
##ACFMM3-450BL        450±1.0               5.5 min.               24.0 min.            2.0 max.              6.0 max.           3.0/3.0
##ACFMM3-450CL        450±1.0               8.0 min.               19.0 min.            2.0 max.              6.0 max.           3.0/3.0 
Unit: mm