LTF2012B-F2R4B
MULTILAYER CERAMIC BANDPASS FILTER
DESCRIPTION
TOKO’s LTF2012B-F2R4B is a multilayer
ceramic bandpass filter for 2.45GHz wireless
applications. TOKO’s proprietary ceramic
multilayer material and process is utilized for
excellent performance and exceptional
reliability.
FEATURES
Miniature footprint: 2.0 x 1.2mm
Low profile: 1.0mm max.
Integrated ceramic structure
Operating temperature: - 55°C to + 125°C
Reflow solderable
DIMENSIONS
3
4
IN
GND
2
5
GND
GND
1
6
OUT
GND
Units: mm
ELECTRICAL SPECIFICATIONS
TOKO Part Number
Frequency Range (MHz)
Insertion Loss (dB)
Attenuation at 1.9 GHz (dB)
Attenuation at 5.0 GHz (dB)
Return Loss (dB)
Impedance
LTF2012B-F2R4B
2400 - 2500
2.0 max.
14.0 min.
20.0 min.
10.0 min.
50
Ω
TYPICAL CHARACTERISTICS
0
0
20
Attenuation [dB]
10
Return Loss [dB]
40
20
60
30
80
40
100
1000
2000
3000
4000
5000
50
6000
Frequency [MHz]
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 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, Mt. Prospect, IL 60056
Tel: 800-PIK-TOKO or 847-297-0070 Fax: 847-699-7864 Web: http://
www.tokoam.com
November 2001
2001 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-227-LTF2012B
1
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