CFJW

AM CERAMIC FILTERS

August 2005

1

© 2005 TOKO America, Inc.

All Rights Reserved

Printed in USA

CF-316-CFJW

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.

Test Circuit

Typical Characteristics

Frequency response

Description

• Single element AM IF filter.

• Center frequency range: 450kHz, 455kHz

• Bandwidth at 3dB: 10±3kHz, 7±1.5kHz,

Features

• No adjustment required in the AM-IF circuit.

• Lead-free terminations

Applications

• Headphone stereos and pocket radios.

• Radio cassettes with CD, mini-components.

STANDARD FILTERS SELECTION GUIDE

TOKO

Center

Bandwidth

Selectivity

Selectivity

Insertion

Input/Output

Part

Frequency (Fo)*

at 3dB

at Fo±9kHz

at Fo±9kHz

Loss

Impedance

Number

(kHz)

(kHz)

(dB)

(dB)

(dB)

(kΩ)

ACFJW-450A

450±1.0

10±3.0

5.0 min.

3.0 min.

5.0 max.

3.0/3.0

ACFJW-450B

450±1.0

10±3.0

5.0 min.

3.0 min.

5.0 max.

3.0/3.0

ACFJW-455A

455±1.0

10±3.0

5.0 min.

3.0 min.

5.0 max.

3.0/3.0

ACFJW-455B

450±1.0

10±3.0

5.0 min.

3.0 min.

5.0 max.

3.0/3.0

BCFJW-450A

450±2.0

10±3.0

5.0 min.

3.0 min.

5.0 max.

3.0/3.0

BCFJW-455A

455±2.0

10±3.0

5.0 min.

3.0 min.

5.0 max.

3.0/3.0

ACFJW-450BN1

450±1.0

7±1.5

6.0 min.

5.0 min.

5.0 max.

3.0/3.0

BCFJW-455BN1

455±1.0

7±1.5

6.0 min.

5.0 min.

5.0 max.

3.0/3.0

R

R

C

Unit: mm