CFA

AM CERAMIC FILTERS

August 2005

1

© 2005 TOKO America, Inc.

All Rights Reserved

Printed in USA

CF-312-CFA

R-LOG0805A

Dimensions

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.

Description

• Unique structure single element AM IF filter

• Center frequency range: 450 — 470kHz

• Bandwidth at 6dB: 13±3kHz

Features

• Compact, low profile

• High selectivity, suited to a wide range of applications

• Low temperature coefficient

• Low spurious response

• Lead-free terminations

Applications

• AM radio-cassettes

• Wireless data communication equipment

Typical Characteristics

STANDARD FILTERS SELECTION GUIDE

TOKO

Center

Bandwidth

Selectivity

Ripple

Insertion

Input/Output

Part

Frequency

at 6dB

at Fo±9kHz

in Pass Band

Loss

Impedance

Number

(kHz)

(kHz)

(dB)

(dB)

(dB)

(kΩ)

#ACFA-450

450±1.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#BCFA-450

450±2.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#ACFA-455

455±1.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#BCFA-455

455±2.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#ACFA-459

459±1.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#BCFA-459

459±2.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#ACFA-468

468±1.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#BCFA-468

468±2.1

13±3.0

6.0 min.

0

5.0 max.

3.0/3.0

#AFCFA-450L02

450.2±1.1

5.0 min.

10.0 min.

0

4.0 max.

3.0/3.0

#AFCFA-455L02

455.2±1.1

5.0 min.

10.0 min.

0

4.0 max.

3.0/3.0

#AFCFA-459L02

459.2±1.1

5.0 min.

10.0 min.

0

4.0 max.

3.0/3.0

Test Circuit

Unit: mm

Frequency characteristics

AFCFA-450L02

Frequency Response

ACFA-450