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©2008-2011 by RF Monolithics, Inc. SF2049E - 3/18/11
Electrical Characteristics
Electric al Conne ction s
Characteristic Sym Notes Min Typ Max Units
Center Frequency fC915.00 MHz
Insertion Loss, 902 to 928 MHz IL 2.2 3.5
dB
Amplitude Ripple, 902 to 928 MHz 0.6 2.0
VSWR, 902 to 928 MHz 1.6 2.3
Attenuation Referenced to 0 dB:
DC to 800 MHz 50 63.0
800 to 880 MHz 40.0 48.0
960 to 1080 MHz 32.0 39.0
1080 to 1500 MHz 45.0 65.0
1500 to 3000 MHz 22.0 28.0
Source Impedance ZS50 Ω
Load Impedance ZL50 Ω
Case Style SM3030-6 3.0 x 3.0 mm Nominal Footprint
Lid Symbolization (Y=year, WW=week, S=shift) dot=pin 1 indicator 541, YWWS
Standard Reel Quantity Reel Size 7 Inch 500 Pieces/Reel
Reel Size 13 Inch 3000 Pieces/Reel
Connection Terminals
Port 1 2
Port 2 5
Case Ground All others
SM3030-6
• Steep Roll-off Filter for 915 MHz ISM band
• Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating Value Units
Input Power Level 15 dBm
DC V oltage on any Non-ground Terminal 5 V
Operating Temperature Range -40 to +85 °C
Storage Temperature Range in Tape and Reel -40 to +85 °C
Suitable for Lead-free Soldering - Maximum Soldering Profile 260°C for 30 s
915.00 MHz
SAW Filter
SF2049E
1. Unless note d otherwis e , all spe cifica tions apply over the operati ng t emperat ure ra nge with f ilter s oldered t o t he specif ied demonstra tio n boa rd with imped ance
match ing to 50 Ω and measured with 50 Ω network analyzer.
2. Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, f c.
3. Rejection i s measur ed as a ttenu at ion bel ow t he minimum I L point in th e p assb and. Reje ctio n i n fi nal u ser a pplica tio n i s dep end ent on P CB l ay out a nd ex ternal
impedance matching des ign. See Application Note No. 42 for details.
4. "LRIP" or "L" after the part number indicate s "low rate initial production" and " ENG" or "E" indicates "engineering prototypes."
5. The desi gn, manufact uring process, and specif ications of this filter are subject to change.
6. Eith er Port 1 or P ort 2 ma y be us ed for eit he r inp ut or outp ut i n t he des ign. However, imped ances a nd impedan ce match ing may vary bet ween Por t 1 and P ort
2, so that t he filter must always be installed in one direction per the circuit design.
7. US and international patents may apply.
8. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.
Pb
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
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©2008-2011 by RF Monolithics, Inc. SF2049E - 3/18/11
CH1 S21 LOG 10 dB/ REF -3.5 dB
START . 010 000 MHz STOP 3 000 . 000 000 MHz
SF2049E
Demo board
Cor
Hld
PRm
8 Feb 2005 13:29:01
CH1 PASS
CH1 S21 LOG 10 dB/ REF -3.5 dB
CENTER 915 . 000 000 MHz SPAN 300 . 000 000 MHz
SF2049E
Demo board
Cor
PRm
8 Feb 2005 13:25:41
12
3
3 : -38 . 598 dB 960 . 000 000 MHz
CH1 Markers
1 : -2 . 1106 dB
902 . 000 MHz
2 : -1 . 9379 dB
928 . 000 MHz
CH1 PASS
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©2008-2011 by RF Monolithics, Inc. SF2049E - 3/18/11
SM3030-6 Case
TOP VIEW BOTTOM VIEW
1
2
3
6
5
4
1
2
3
6
5
4
A
BC
DJ
EF
GH
I
K
K
O
MM
N
N
N
L
6-Terminal Ceramic Surface-Mount Case
3.0 X 3.0 mm Nominal Footprint
Case and PCB Footprint Dimensions
Case Materials
Dimension mm Inches
Min Nom Max Min Nom Max
A2.87 3.00 3.13 0.113 0.118 0.123
B2.87 3.00 3.13 0.113 0.118 0.123
C1.12 1.25 1.38 0.044 0.049 0.054
D0.77 0.90 1.03 0.030 0.035 0.040
E2.67 2.80 2.93 0.105 0.110 0.115
F1.47 1.60 1.73 0.058 0.063 0.068
G0.72 0.85 0.98 0.028 0.033 0.038
H1.37 1.50 1.63 0.054 0.059 0.064
I0.47 0.60 0.73 0.019 0.024 0.029
J1.17 1.30 1.43 0.046 0.051 0.056
K3.20 0.126
L1.70 0.067
M1.05 0.041
N0.81 0.032
O0.38 0.015
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
PCB Footprint Top View
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©2008-2011 by RF Monolithics, Inc. SF2049E - 3/18/11
Tape and Reel Specifica t ions
“B” Quantity Per Reel
Inches millimeters
7 178 500
13 330 3000
See Detail " A"
13.0
20.2
2.0
12.0
100 REF.
"B" REF.
COMPONENT ORIENTATION and DIMENSIONS
Carrier Tape Dimensions
Ao 3.35 mm
Bo 3.35 mm
Ko 1.40 mm
Pitch 8.0 mm
W12.0 mm
RO.3
(MAX.)
Ko
SECTION A-A
0.3 ± 0.05
SECTION B-B
Bo
2.0 4.0
Ao Pitch
BB
AR0.5
(MAX.)
A
5.5
12.0
1.75
1.5
1.50
PIN #1
USER DIRECTION OF FEED
