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SF2289C
? Low Loss SAW Filter
? 5.0 x 5.0 mm Surface-mount Case
? Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Maximum DC Voltage on any Non-ground Terminal
Storage Temperature Range in Tape and Reel
Pb
Value
0
10
-40 to +85
Units
dBm
V
°C
155 MHz
SAW Filter
Maximum Soldering Profile
265 °C for 10 s
SM5050-8
Electrical Characteristics
Characteristic
Sym
Notes
Min
Typ
Max
Units
Center Frequency
Insertion Loss, f C ± 4 MHz
f C
IL
1
1
155
6.5
MHz
dB
Rejection Referenced to IL MIN :
f C -38.8 to f C - 100 MHz
f C +38.8 to f C +100 MHz
1, 3
50
42
dB
Operating Temperature Range
T A
1
-10
+50 °C
Input Impedance at f C
Output Impedance at f C
263 ????? 8.7 pF
685 ????? 9.1 pF
Case Style
Lid Symbolization
6
50 ohm Matching Network
SM5050-8 5 x 5 mm Nominal Footprint
A36
12 pF
56 nH
56 nH
12 pF
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with impedance
matching to 50 ? and measured with 50 ? network analyzer.
Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.
Rejection is measured as attenuation below the minimum IL point in the passband. Rejection in final user application is dependent on PCB layout and external
impedance matching design. See Application Note No. 42 for details.
"LRIP" or "L" after the part number indicates "low rate initial production" and "ENG" or "E" indicates "engineering prototypes."
The design, manufacturing process, and specifications of this filter are subject to change.
Tape and Reel Standard ANSI / EIA 481.
Either Port 1 or Port 2 may be used for either input or output in the design. However, impedances and impedance matching may vary between Port 1 and Port
2, so that the filter must always be installed in one direction per the circuit design.
US and international patents may apply.
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.
www.RFM.com E-mail: info@rfm.com
? 2011-2012 by RF Monolithics, Inc.
Page 1 of 4
SF2289C 10/1/12
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