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©2009-2010 by RF Monolithics, Inc. SF2087C - 6/14/10
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.
Electrical Characteristics
Characteristic Sym Notes Min Typ Max Units
Center Frequency fC1 267.5 MHz
Insertion Loss 113dB
2 dB Bandwidth BW2.0 13539 MHz
Amplitude Ripple, fC± 15 MHz 1 1.5 dBP-P
Amplitude Ripple, fC±15 MHz, within adjacent 5 MHz windows 1 1.2 dBP-P
Group Delay Deviation, fC±17.5 MHz 1 100 nsP-P
Group Delay Deviation, fC±15 MHz within adjacent 5 MHz windows 1 50 nsP-P
VSWR at fC12.5:1
40 dB Rejection Bandwidth 1, 2 65 MHz
Operating Temperature Range -40 85 °C
Case Style SM5050-8 5 x 5 mm Nominal Footprint
Lid Symbolization (Y=year, WW=week, S=shift) RF M 589 YWWS
SM5050-8
• 267.5 MHz SAW Filter
• 5.0 X 5.0 mm Surface-mount Case
• Single-ended Inpu t and Ou tput
• Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating Value Units
Maximum Incident Power in Passband +13 dBm
Maximum DC Voltage on any Non-ground Terminal 30 VDC
Storage Temperature Range in Tape and Reel -40 to +85 °C
Suitable for Lead-free Soldering - Maximum Soldering Temperature 260 °C for 30 s
267.5 MHz
SAW Filter
SF2087C
Pb
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
Electrical Connections
Connection Terminals
Port 1 Input 1
Port 2 Output 5
Ground All others
Dot indicates Pin 1
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©2009-2010 by RF Monolithics, Inc. SF2087C - 6/14/10
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©2009-2010 by RF Monolithics, Inc. SF2087C - 6/14/10
RFM
RFMRFM
DRILL ALL HOLES #76 DRILL (0.020)
ALL HOLES ARE PLA T ED THRU.
1.590 REF.
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©2009-2010 by RF Monolithics, Inc. SF2087C - 6/14/10
Case Dimensions
Dimension mm Inches
Min Nom Max Min Nom Max
A4.80 5.00 5.20 0.189 0.197 0.205
B4.80 5.00 5.20 0.189 0.197 0.205
C1.30 1.50 1.70 0.050 0.060 0.067
D1.98 2.08 2.18 0.078 0.082 0.086
E1.07 1.17 1.27 0.042 0.046 0.050
F0.50 0.64 0.70 0.020 0.025 0.028
G2.39 2.54 2.69 0.094 0.100 0.106
H1.27 0.050
I0.76 0.030
J1.55 0.061
K2.79 0.110
L0.76 0.030
M2.36 0.093
N1.55 0.061
O2.79 0.110
P2.79 0.110
Q2.79 0.110
Materials
Solder Pad
Plating 0.3 to 1.0 µm Gold over 1.27 to 8.89 µm Nickel
Lid Plating 2.0 to 3.0 µm Nickel
Body Al2O3 Ceramic
Pb Free
SM5050-8 Surface-Mount 8-Terminal Ceramic Case
5.0 X 5.0 mm Nominal Footprint
TOP VIEW BOTTOM VIEW
Case Materials
PCB Footprint
A
1
2
3
B
7
6
5
4
C
D7
6
5
4
E
F
G
1
2
3
88
H
I
J
K
L
M
N
O
P
Q
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©2009-2010 by RF Monolithics, Inc. SF2087C - 6/14/10
Tape and Reel Specifications
“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.
