CFJW
AM CERAMIC FILTERS
Description
Dimensions
• 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.
Unit: mm
Typical Characteristics
Frequency response
Test Circuit
R1=3.0kΩ
R2=3.0kΩ
CS=50pF
STANDARD FILTERS SELECTION GUIDE
TYPE CFJW (CERATUNE®)
TOKO
Part
Number
Center
Frequency (Fo)*
(kHz)
Bandwidth
at 3dB
Selectivity
at Fo±9kHz
(dB)
Selectivity
at Fo±9kHz
(dB)
Insertion
Loss
(dB)
Input/Output
Impedance
(kΩ)
(kHz)
ACFJW-450A
ACFJW-450B
ACFJW-455A
ACFJW-455B
BCFJW-450A
450±1.0
450±1.0
455±1.0
450±1.0
450±2.0
10±3.0
10±3.0
10±3.0
10±3.0
10±3.0
5.0 min.
5.0 min.
5.0 min.
5.0 min.
5.0 min.
3.0 min.
3.0 min.
3.0 min.
3.0 min.
3.0 min.
5.0 max.
5.0 max.
5.0 max.
5.0 max.
5.0 max.
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
BCFJW-455A
ACFJW-450BN1
BCFJW-455BN1
455±2.0
450±1.0
455±1.0
10±3.0
7±1.5
7±1.5
5.0 min.
6.0 min.
6.0 min.
3.0 min.
5.0 min.
5.0 min.
5.0 max.
5.0 max.
5.0 max.
3.0/3.0
3.0/3.0
3.0/3.0
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.
TOKO America, Inc.
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: (847) 297-0070 Fax: (847) 699-7864 Web: http://www.tokoam.com
August 2005
1
CF-316-CFJW
R-LOG0805A
© 2005 TOKO America, Inc.
All Rights Reserved
Printed in USA