CFSKN S Series
FM CERAMIC FILTERS
Description
Dimensions
• 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
Unit: mm
• 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
SKMAN SKM0N SKM1N SKM2N SKM3N SKM4N SKM5N
Applications
• Radios, radio cassettes, car radios, home stereo
• Wireless data communication equipment
Test Circuit
Color Code Table
Center
Frequency*
Color
Code
Rank
Test Conditions
R1: 280Ω
R2: 280Ω
N.A.: HP4194A or equivalent
(Input impedance less than 15pF)
A
B
C
D
E
10.70±0.03MHZ
10.67±0.03MHZ
10.73±0.03MHZ
10.64±0.03MHZ
10.76±0.03MHZ
None
Blue
Orange
Black
White
* Standard center frequency: 10.7MHz
* Applicable center frequency: 10.3MHz — 11.5MHz
* Center frequency tolerance: Standard ±30kHz; ±25kHz
and ±20kHz also available
STANDARD FILTERS SELECTION GUIDE
TYPE CFSKN Standard S Series
TOKO
Part
Number
Center
Frequency*
(Fo)
Bandwidth
at 3dB
Bandwidth
at 20dB
(kHz)
Insertion
Loss
(dB)
Spurious
Response
(dB)
Input/Output
Impedance
(Ω)
(kHz)
#SK107MAN-AE-10 See Color Code Table
#SK107M0N-AE-10 See Color Code Table
#SK107M1N-AE-10 See Color Code Table
#SK107M2N-AE-20 See Color Code Table
#SK107M3N-AE-20 See Color Code Table
380±50
330±50
280±50
230±50
180±40
720 max.
680 max.
650 max.
600 max.
520 max.
5.0 max.
6.0 max.
6.0 max.
6.0 max.
7.0 max.
30 min.
30 min.
30 min.
40 min.
40 min.
330/330
330/330
330/330
330/330
330/330
#SK107M4N-AE-20 See Color Code Table
#SK107M5N-AE-10 See Color Code Table
150±40
110±30
400 max.
350 max.
10.0 max.
10.0 max.
40 min.
30 min.
330/330
330/330
August 2005
1
CF-322-CFSKN/S
R-LOG0805A
© 2005 TOKO America, Inc.
All Rights Reserved
Printed in USA