CFSKN X Series

FM CERAMIC FILTERS

August 2005

1

© 2005 TOKO America, Inc.

All Rights Reserved

Printed in USA

CF-323-CFSKN/X

R-LOG0805A

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.

Dimensions

Test Circuit

TYPE CFSKN Low Loss X Series

TOKO

Center

Bandwidth

Bandwidth

Insertion

Spurious

Impedance

Part

Frequency

at 3dB

at 20dB

Loss

Response

(In/Out)

Number

(Fo)*

(kHz)

(kHz)

(dB)

(dB)

(Ω)

#SK107M0N-AE-10X

See Color Code Table

330±50

680 max.

2.5±2.0

30 min.

330/330

#SK107M1N-AE-10X

See Color Code Table

280±50

650 max.

2.5±2.0

30 min.

330/330

#SK107M2N-AE-20X

See Color Code Table

230±50

600 max.

3.0±2.0

40 min.

330/330

#SK107M3N-AE-20X

See Color Code Table

180±40

520 max.

3.5±1.5

40 min.

330/330

#SK107M4N-AE-20X

See Color Code Table

150±40

400 max.

5.5±2.0

40 min.

330/330

#SK107M5N-AE-10X

See Color Code Table

110±30

350 max.

6.0±2.0

30 min.

330/330

STANDARD FILTERS SELECTION GUIDE

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)

Description

• Low insertion loss design for lower gain

dispersion in transceiver applications.

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

• Cordless telephones, tuner packs, radio cassettes,

car radios, compact portable radios

• Wireless data communication equipment

Unit: mm

SKM0N SKM1N

SKM2N SKM3N

SKM4N SKM5N

* Standard center frequency: 10.7MHz

* Applicable center frequencies: 10.3MHz — 11.5MHz

* Center frequency tolerance: Standard ±30kHz; ±25kHz

and ±20kHz also available

Color Code Table