Preliminary
For prototype or pre-production sample please contact RFM Sales.
®
SF2110D
•
•
•
•
Low Insertion Loss
3.8 X 3.8 X 1.2 mm Surface-Mount Case
Differential 750 Ohm IN and 900 Ohm Out
Complies with Directive 2002/95/EC (RoHS)
305.00 MHz
Pb
SAW Filter
Absolute Maximum Ratings
Rating
Value
+10
Units
dBm
VDC
°C
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Storage Temperature Range
30
-40 to +85
SM3838-8
Suitable for lead-free soldering - Max Soldering Profile
260°C for 30 s
Electrical Characteristics
Characteristic
Sym
Notes
Min
Typ
Max
Units
Center Frequency
f
305
MHz
C
1
Insertion Loss
IL
9
12
dB
dB
Amplitude Ripple (p-p)
Low Side Attenuation (266~290)
High Side Attenuation (320~344)
Delay Ripple (p-p)
fc-5 to fc+5 MHz
fc-5 to fc+5 MHz
1, 2
0.7
45
50
30
2.0
35
35
dB
ns
100
500
1, 2, 3
6
Group Delay in Passband
Case Style
SM3838-8 3.8 x 3.8 mm Nominal Footprint
608 YWWS
Lid Symbolization (Y=year, WW=week, S=shift) See note 4
Notes:
5. Tape and Reel Standard Per ANSI / EIA 481.
6. US and international patents may apply.
7. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered
trademarks of RF Monolithics, Inc.
1. Unless noted otherwise, all specifications apply over the operating
temperature range with filter soldered to the specified demonstration
board with impedance matching to 50 W and measured with 50 W
network analyzer.
8. ©Copyright 1999, RF Monolithics Inc.
2. Unless noted otherwise, all frequency specifications are referenced
to the nominal center frequency, fc.
Electrostatic Sensitive Device. Observe precautions for handling.
3. 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 Applica-
tion Note No. 42 for details.
4. The design, manufacturing process, and specifications of this filter
are subject to change.
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 6
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
SF2110D-091406 Ver 0.1