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SF2045A
?
?
Designed for IF Applications
Excellent Size-to-Performance Ratio
140 MHz
?
?
Hermetic 13.3 x 6.5 mm Surface-mount Case
Complies with Directive 2002/95/EC (RoHS)
Pb
SAW Filter
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Storage Temperature Range
Value
+10
30
-40 to +85
Units
dBm
VDC
°C
Suitable for lead-free soldering - Max. Soldering Profile
Electrical Characteristics
260°C for 30 s
SM13365-12
Characteristic
Center Frequency (3dB points) at 25°C
Passband
Insertion Loss at fc
Sym
f C
IL
Notes
1
Min
139.60
Typ
140.000
7.7
Max
140.40
11
Units
MHz
dB
1 db Passband
3 db Passband
Amplitude Ripple over 1 dB BW
BW 1
BW 3
1, 2
8
10
9.8
10.8
0.4
0.8
MHz
dB P-P
Phase Linearity over 1 dB BW
2.7
8
° P-P
Group Delay Variation over 1 dB BW
Absolute Group Delay
GDV
50
1.057
100
ns P-P
μsec
Rejection
35 dB BW
13.9
15
MHz
10 - 120 MHz
120 - 130 MHz
150 - 1000 MHz
1, 2, 3
40
40
40
52
47
45
dB
Operating Temperature Range
Frequency Temperature Coefficient
T A
FTC
1
-40
25
-94
85
°C
ppm/°C
Impedance Matching to 50 ? Unbalanced
Case Style
Lid Symbolization (YY = year, WW = week)
Notes:
External L-C
SM13365-12 13.3 x 6.5 mm Nominal Footprint
RFM SF2045A YYWW
1.
2.
3.
4.
5.
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.
The design, manufacturing process, and specifications of this filter are subject to change.
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.
Electrostatic Sensitive Device. Observe precautions for handling.
RF Monolithics, Inc.
RFM Europe
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
Page 1 of 5
?2001 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
SF2045A-051007
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