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

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

280Ω

R

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