
CFSKN S Series
FM CERAMIC FILTERS
August 2005
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
1
CF-322-CFSKN/S
R-LOG0805A
Description
FM-IF step ceramic filters developed for use in
compact, slimline sets.
Increased number of bandwidth variations, ideal for BS
tuner and digital communications equipment wide band,
as well as European and U.S, FM stereo narrow band.
Covers a wide range of application characteristics
through the Standard S Series, Low Loss X Series and
Group Delay G Series meeting a wide range of needs.
Features
Compact and low profile (ideal for slimline sets)
Low temperature coefficient and dispersion for
reliable response
High selectivity
Low spurious response
Independent terminal structure
Lead-free terminations
Applications
Radios, radio cassettes, car radios, home stereo
Wireless data communication equipment
STANDARD FILTERS SELECTION GUIDE
TYPE CFSKN Standard S Series
TOKO Center Bandwidth Bandwidth Insertion Spurious Input/Output
Part Frequency* at 3dB at 20dB Loss Response Impedance
Number (Fo) (kHz) (kHz)
(dB) (dB) (
Ω
)
#SK107MAN-AE-10 See Color Code Table 380±50 720 max. 5.0 max. 30 min. 330/330
#SK107M0N-AE-10 See Color Code Table 330±50 680 max. 6.0 max. 30 min. 330/330
#SK107M1N-AE-10 See Color Code Table 280±50 650 max. 6.0 max. 30 min. 330/330
#SK107M2N-AE-20 See Color Code Table 230±50 600 max. 6.0 max. 40 min. 330/330
#SK107M3N-AE-20 See Color Code Table 180±40 520 max. 7.0 max. 40 min. 330/330
#SK107M4N-AE-20 See Color Code Table 150±40 400 max. 10.0 max. 40 min. 330/330
#SK107M5N-AE-10 See Color Code Table 110±30 350 max. 10.0 max. 30 min. 330/330
Unit: mm
SKMAN SKM0N SKM1N SKM2N SKM3N SKM4N SKM5N
Dimensions
Test Circuit
Center Color
Rank Frequency* Code
A 10.70±0.03MHZ None
B 10.67±0.03MHZ Blue
C 10.73±0.03MHZ Orange
D 10.64±0.03MHZ Black
E 10.76±0.03MHZ White
Test Conditions
R
1
: 280
Ω
R
: 280
Ω
N.A.: HP4194A or equivalent
(Input impedance less than 15pF)
* Standard center frequency: 10.7MHz
* Applicable center frequency: 10.3MHz — 11.5MHz
* Center frequency tolerance: Standard ±30kHz; ±25kHz
and ±20kHz also available
Color Code Table