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PDF SF2079D Data sheet ( Hoja de datos )
| Número de pieza | SF2079D | |
| Descripción | SAW Filter | |
| Fabricantes | RF Monolithics | |
| Logotipo |  |
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®
• Low Insertion Loss
• 3.8 X 3.8 mm Surface-Mount Case
• Single Ended Input and Output
• Complies with Directive 2002/95/EC (RoHS)
Pb
SF2079D
251.045 MHz
SAW Filter
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Max. DC voltage between any 2 terminals
Storage Temperature Range
Suitable for lead-free soldering - Max Soldering Temperature
Value
Units
+13 dBm
30 VDC
-40 to +85
°C
260°C for 30 s
SM3838-8
Electrical Characteristics
Characteristic
Nominal Center Frequency
Insertion Loss
Amplitude Ripple (p-p)
Fc-6.250 to Fc-4.3925 MHz
Fc-4.3925 to Fc-2.535 MHz
Fc-2.5350 to Fc-0.025 MHz
Fc+0.025 to Fc+2.535 MHz
Fc+2.5350 to Fc+4.3925 MHz
Fc+4.3925 to Fc+6.250 MHz
Pass bandwidth of -1.5dB
Pass bandwidth of -3dB
Low side attenuation Fc<(Fc-16.5 MHz)
Low side attenuation between: (Fc-16.5 MHz)...(Fc-10.5 MHz)
High side attenuation between: (Fc+9.0 MHz)...(Fc+16.5 MHz)
High side attenuation Fc>(Fc+16.5 MHz)
Temperature Coefficient of frequency
Delay Ripple (p-p)
Fc-6.250 to Fc-4.3925 MHz
Fc-4.3925 to Fc-2.535 MHz
Fc-2.5350 to Fc-0.025 MHz
Fc+0.025 to Fc+2.535 MHz
Fc+2.5350 to Fc+4.3925 MHz
Fc+4.3925 to Fc+6.250 MHz
Terminating Source / Load Impedance: ZIN / ZOUT
Operating Temperature Range
Case Style
Lid Symbolization (Y=year, WW=week, S=shift)
Sym
fC
www.DataSheet.net/
Notes
1
Min Typ Max
251.045
Units
MHz
1 15.5 17.5 dB
0.7 1.5 dB
0.5 1.5 dB
0.8 1.5 dB
0.9 1.5 dB
0.5 1.5 dB
0.6 1.5 dB
13.9 MHz
14.5 MHz
33 37
dB
28 32
dB
24 30
dB
35 40
dB
-18 ppm/K
45 70 ns
25 70 ns
20 90 ns
15 90 ns
25 70 ns
45 90 ns
150 Ohms
-40 +85 °C
SM3838-8 3.8 x 3.8 mm Nominal Footprint
RFM TBD YWWS
Notes:
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 Ω and measured with 50 Ω network analyzer.
2. 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 Application Note No. 42 for details.
3. The design, manufacturing process, and specifications of this filter are subject to change.
4. Tape and Reel Standard ANSI / EIA 481.
5. Either Port 1 or Port 2 may be used for either input or output in the design. However, impedances and impedance matching may vary between Port 1 and Port 2, so that
the filter must always be installed in one direction per the circuit 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 Monolithics Inc.
9. Electrostatic Sensitive Device. Observe precautions for handling.
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: [email protected]
http://www.rfm.com
SF2079D-060607
Page 1 of 5
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
251.045 MHz
Tape and Reel Specifications
SAW Filter
See Detail "A"
“B “
Nominal Size
Inches millimeters
7 178
13 330
Quantity Per Reel
1000
3000
12.0
2.0
www.DataSheet.net/
COMPONENT ORIENTATION and DIMENSIONS
Carrier Tape Dimensions
Ao
Bo
Ko
Pitch
W
0.3 ± 0.05
2.0 4.0
PIN #1
1.50
A
RO.3
(MAX.)
Bo
Ko
SECTION A-A
B
Ao
B
Pitch
A
R0.5
(MAX.)
1.5
SECTION B-B
USER DIRECTION OF FEED
4.25 mm
4.25 mm
1.60 mm
8.0 mm
12.0 mm
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: [email protected]
http://www.rfm.com
SF2079D-060607
Page 5 of 5
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page | ||
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| PDF Descargar | [ Datasheet SF2079D.PDF ] | |
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