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SF2120C
?
Designed for Broadband Receiver IF Applications
?
?
Low Insertion Loss
5.0 X 5.0 mm Surface-mount Case
149.00 MHz
?
?
Differential Input and Single-ended Output
Complies with Directive 2002/95/EC (RoHS)
Pb
SAW Filter
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Maximum DC Voltage on any Non-ground Terminal
Storage Temperature Range in Tape and Reel
Value
+10
3
-40 to +85
Units
dBm
VDC
°C
Suitable for Lead-free Soldering - Maximum Soldering Profile
260 °C for 30 s
SM5050-8
Electrical Characteristics
Characteristic
Nominal Center Frequency
Insertion Loss
2 dB Bandwidth
Amplitude Ripple, 148 to 150 MHz, -27.5 to 72.5 °C
Amplitude Ripple, 148 to 150 MHz, -40 to -27.5 °C, 72.5 to 85 °C
Rejection, f C -2.5 MHz
Rejection, f C +2.5 MHz
Sym
f C
Min
148 to 150
15
15
Typ
149.00
2.0
147.65 to 150.35
1.5
2.0
54
30
Max
2.5
1.8
2.2
Units
MHz
dB
MHz
dB P-P
dB P-P
dB
dB
Center Frequency Temperature Coefficent
Operating Temperature
Case Style
Lid Symbolization (Y=year, WW=week, S=shift)
Electrical Connections
Connection
Terminals
-30
-40 85
SM5050-8 5 x 5 mm Nominal Footprint
RFM 635 YWWS
ppm/K
°C
Port 1
Port 2
Differential Input
Output
1, 2
5
Ground
Single-ended Operation
Differential Operation
All others
Return is ground
Return is hot
Dot indicates Pin 1
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
5.
6.
7.
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.
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.
The design, manufacturing process, and specifications of this filter are subject to change.
Tape and Reel Standard ANSI / EIA 481.
US and international patents may apply.
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.
The center frequency will move with ambient temperature changes.
www.RFM.com E-mail: info@rfm.com
?2009-2010 by RF Monolithics, Inc.
Page 1 of 7
SF2120C - 6/14/10
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