®
Preliminary
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 1 of 3
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF2081D-061306
Electrical Characteristics
Characteristic Sym Notes Min Typ Max Units
Center Frequency fC1220 MHz
Insertion Loss (1195~1245 MHz) IL 4.0 dB
Amplitude Ripple (1195~1245 MHz) 2.0 dB
Attenuation: (Reference level from 0 dB)
1) TBD TBD dB2) TBD TBD
3) TBD TBD
Group delay Ripple (p-p) ns
Case Style SM3030-8 3.0 x 3.0 mm Nominal Footprint
Lid Symbolization (Y=year, WW=week, S=shift) dot=pin 1 indicator TBD, YWWS
Standard Reel Quantity Reel Size 7 Inch 1000 Pieces/Reel
Reel Size 13 Inch 3000 Pieces/Reel
SM3838-8
•SAW Filter for Cable System
•Complies with Directive 2002/95/EC (RoHS)
Characteristics :
Balance to Balanced operation
Terminating source impedance : ZS = 200 Ω
Terminating load impedance : ZL = 200 Ω
Maximum Rating Rating Value Units
Input Power Level 0dBm
DC Voltage 3V
Operating Temperature -30 ~ +85 °C
Storage Temperature -40 ~ +85 °C
1220 MHz
SAW Filter
SF2081D
Notes:
1. US and international patents may apply.
2. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered
trademarks of RF Monolithics, Inc.
3. ©Copyright 1999, RF Monolithics Inc.
4. Electrostatic Sensitive Device. Observe precautions for handling.
Pb
1220 MHz SAW Filter
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 2 of 3
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF2081D-061306
8-Terminal Ceramic Surface-Mount Case
3.8 X 3.8 mm Nominal Footprint
SM3838-8 Case
TOP VIEW BOTTOM VIEW
Electrical Connections
Connection Terminals
Port 1 Differential Input 1, 2
Port 2 Differential Output 5, 6
Ground All Others
Single Ended Operation Return is Ground
Differential Operation Return is Hot
Dot Indicates Pin 1
0.066
0.055 TYP.
(1.68)
(1.40)
0.029 TYP.
(O.74)
0.050 TYP.
(1.27)
0.002
(0.05)
0.090
(2.29)
0.033
(0.84)
PCB Footprint
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
Case Dimensions
Dimension mm Inches
Min Nom Max Min Nom Max
A3.6 3.8 4.0 0.142 0.150 0.157
B3.6 3.8 4.0 0.142 0.150 0.157
C1.05 1.20 1.35 0.041 0.047 0.053
D0.95 1.10 1.25 0.037 0.043 0.049
E0.90 1.00 1.10 0.035 0.040 0.043
F0.50 0.60 0.70 0.020 0.024 0.028
G2.39 2.54 2.69 0.090 0.100 0.110
H1.40 1.75 2.05 0.055 0.069 0.080
A
1
2
3
B
7
6
5
4
C
H7
6
5
4
E
F
G
1
2
3
88
D
1220 MHz SAW Filter
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 3 of 3
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF2081D-061306
Tape and Reel Specifications
“B “
Nominal Size Quantity Per Reel
Inches millimeters
7178 500
13 330 3000
COMPONENT ORIENTATION and DIMENSIONS
Carrier Tape Dimensions
Ao 4.25 mm
Bo 4.25 mm
Ko 1.30 mm
Pitch 8.0 mm
W12.0 mm
See Detail "A"
13.0
20.2
2.0
12.0
100 REF.
"B" REF.
RO.3
(MAX.)
Ko
SECTION A-A
0.3 ± 0.05
SECTION B-B
Bo
2.0 4.0
Ao Pitch
B B
AR0.5
(MAX.)
A
5.5
12.0
1.75
1.5
1.50
PIN #1
USER DIRECTION OF FEED
