
CFSKN S Series
FM CERAMIC FILTERS
August 2005
1
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
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
Insertion
Spurious
Input/Output
Part
Frequency*
at 3dB
at 20dB
Loss
Response
Impedance
Number
(Fo)
(kHz)
(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:
280Ω
R
2:
280Ω
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