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©2008 by RF Monolithics, Inc. SF2088C - 12/11/08
1. Unless noted othe rwise, all specifica tio ns apply ov er the opera tin g tempera tu re range with f ilter so lder ed to the spec ified d emons tr ation bo ard with i mpeda nce
matching to 50 Ω and measured with 50 Ω network analyzer.
2. Rejectio n is me asure d as a tten uation bel ow t he mi nimum IL poi nt in t he p ass band. Rej ectio n in final us er appl ica tion i s dependent on PCB layout and e xter nal
impedance matching design. See Application Note No. 42 for details.
3. The desi gn, manufact uring proce ss, and specifications of this filter are subject to change.
4. Tape and Reel Standard ANSI / EIA 481.
5. Eith er Port 1 or Por t 2 ma y be us ed for ei the r inp ut o r output in t he des ign. However, impedances and impeda nce mat chi ng may var y betwe en Po rt 1 and Port
2, so that the filter mus t always be inst alled in one direc tion per the ci rcuit design .
6. US and international patents may apply.
7. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.
8. ©Copyright 1999, RF Monol ithics Inc.
Electrical Characteristics
Characteristic Sym Notes Min Typ Max Units
Nominal Center Frequency fC1 297.5 MHz
Insertion Loss 113dB
Passband Ripple within Fc± 15 MHz 1 1.5 dB p-p
Passband 1.5dB 1 35 MHz
Group Delay Deviation Fc±17.5 MHz within adjacent 5 MHz windows 1 55 nsec
Amplitude Ripple Fc±17.5 MHz within adjacent 5 MHz windows 1 1.2 dB
VSWR at Fc 12.5
Group Delay Absolute Group Delay Variation; CF ± 15 MHz 1 100 180 nsec
Rejection 40dB Bandwidth 1, 2 65 MHz
Temperature Range Operating -40 85 °C
Storage -40 85
Case Style SM5050-8 5 x 5 mm Nominal Footprint
Lid Symbolization (Y=year, WW=week, S=shift) RFM TBD YWWS
SM5050-8
• Low Insertion Loss
• 5.0 X 5.0 mm Surface-Mount Case
• Single Ended Input and Output
• Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating Value Units
Maximum Incident Power in Passband +13 dBm
Max. DC voltage between any 2 terminals 30 VDC
Storage Temperature Range -40 to +85 °C
Suitable for lead-free soldering - Max Soldering Temperature 260°C for 30 s
297.50 MHz
SAW Filter
SF2088C
Pb
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
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©2008 by RF Monolithics, Inc. SF2088C - 12/11/08
CH1 S11 1 U FS
CENTR 297 . 500 MHz SPAN 100 . 000 MHz
C
PRm
CH2 S21 LOG 10 dB/ REF -40 dB
CENTER 297 . 500 000 MHz SPAN 100 . 000 000 MHz
C
PRm
CH3 S22 1 U FS
CENTR 297 . 500 MHz SPAN 100 . 000 MHz
C
18 Nov 2005 14:18:09
1
1 : 35 . 361 -1 . 6836 317 . 76 pF
297 . 500 000 MHz
1
2
34
1 : 0. 0000 dB 0. 000 000 MHz
Max REF=1
CH2 Markers
BW: 37 . 194454 MHz
cent : 297 . 390722 MHz
Q: 7. 9956
1_ loss : -10 . 720 dB
1
1 : 33 . 566 28 . 217 15 . 095 nH
297 . 500 000 MHz
sf2088c
Full
Full
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©2008 by RF Monolithics, Inc. SF2088C - 12/11/08
CH1 S21 LOG 1 dB/ REF -10.72 dB
C
PRm
CH2 S21 DEL 50 ns/ REF 345.2 ns
CENTER 297 . 500 000 MHz SPAN 40 . 000 000 MHz
C
Smo
PRm
18 Nov 2005 14:20:43
12
3
3 : - . 33040 dB -30 . 000 000 MHz
REF=2
CH1 Markers
mean : -11 . 202 dB
s. dev : . 20400 dB
p-p : . 96070 dB
12
3
3 : -22 . 831 ns -30 . 000 000 MHz
REF=2
CH2 Markers
mean : 341 . 92 ns
s. dev : 7. 7870 ns
p-p : 31 . 700 ns
sf2088c
Full
Full
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©2008 by RF Monolithics, Inc. SF2088C - 12/11/08
RFM
RFMRFM
DRILL ALL HOLES #76 DRILL (0.020)
ALL HOLES ARE PLA T ED THRU.
1.590 REF.
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©2008 by RF Monolithics, Inc. SF2088C - 12/11/08
Case Dimension
Electrical Co nnection
Dimension mm Inches
Min Nom Max Min Nom Max
A4.8 5.0 5.2 0.1968
B4.8 5.0 5.2 0.1968
C1.7 0.0669
D2.08 0.0818
E1.17 0.046
F0.64 0.0252
G2.39 2.54 2.69 0.100
Connection Terminals
Port 1 Input 1
Port 2 Output 5
Ground All others
Dot indicates Pin 1
Materials
Solder Pad
Termination Au plating 30 - 60 uInches (76.2-152 uM) over 80-200
uInches (203-508 uM) Ni.
Lid Fe-Ni-Co Alloy Electroless Nickel Plate (8-11% Phos-
phorus) 100-200 uInches Thick
Body Al2O3 Ceramic
Pb Free
8-Terminal Ceramic Surface-Mount Case
5.0 X 5.0 mm Nominal Footprint
SM5050-8 Case
TOP VIEW BOTTOM VIEW
A
1
2
3
B
7
6
5
4
C
D7
6
5
4
E
F
G
1
2
3
88
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©2008 by RF Monolithics, Inc. SF2088C - 12/11/08
Tape and Reel Specifica t ions
“B “
Nominal Size Quantity Per Reel
Inches millimeters
7 178 500
13 330 3000
USER DIRECTION OF FEED
COMPONENT ORIENTATION and DIMENSIONS
Carrier Tape Dimensions
Ao 5.3 mm
Bo 5.3 mm
Ko 2.0 mm
Pitch 8.0 mm
W12.0 mm
PIN #1
See Detail "A"
13.0
20.2
2.0
12.0
100 REF.
"B" REF.
