SAW Bandpass Filter F2471
Features
RF bandpass filter
High attenuation
Matching 50Ω single-ended operation
Ceramic Surface Mounted Device (SMD) Package ( 3.8 mm * 3.8 mm )
RoHS Compliant
3.80±0.15
1.00±0.1
1.90±0.1
1
3.80±0.15
6
6
1
2
ITF
2471
5
5
2
1.40±0.15
3
4
4
3
1.27±0.1
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Ceramic
Lid : Kovar, Ni Plated
Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um
Ni Plating
2
5
1, 3, 4, 6
Input
Output
Case ground
Maximum Ratings
Parameter
Operating Temperature Range
Storage Temperature Range
Power Handling Capability
Electrostatics Sensitive Device (ESD)
Unit
℃
℃
dBm
Minimum
-40
-45
Typical
25
25
10
Maximum
85
85
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
0.64±0.1
Package Dimension – SMD 3.8
×
3.8
NSMD01-F2471
2011-08-26
AS 02
1/7
SAW Bandpass Filter F2471
Specifications
Fc = 247.45 MHz
Terminating source impedance : 50Ω
Terminating load impedance
: 50Ω
Minimum
Center Frequency ( Fc )
Insertion Loss
3dB Bandwidth
-
-
-
Typical
247.45
-
280
Maximum
-
5.0
-
Unit
MHz
dB
KHz
Attenuation
Fc +/- 600 KHz
Fc +/- 1.2 MHz
Fc +/- 21.6 MHz
20
34
45
-
-
-
-
-
-
dB
Temperature Range (Operational)
Input/Output Impedance
-40
25
50
85
℃
Ohms
Notes :
1) All specifications are based on the matching schematic shown below, measured by Agilent Network analyzer and
full 2 port calibration.
2) Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing
tolerances
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
NSMD01-F2471
2011-08-26
AS 02
2/7
SAW Bandpass Filter F2471
Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
C1
C2
L1
L2
C1= 3.9pF , C2=3.9pF ,
L1=L2=68nH
Marking Configuration
ITF
1)
2471
2)
1) Manufacturer name
2) Marking Number
* Ink or Laser Marking available
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
NSMD01-F2471
2011-08-26
AS 02
3/7
SAW Bandpass Filter F2471
Typical Performance ( at 25℃ )
℃
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
NSMD01-F2471
2011-08-26
AS 02
4/7
SAW Bandpass Filter F2471
Input / Output VSWR Charts
Input / Output Smith Charts
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
NSMD01-F2471
2011-08-26
AS 02
5/7
嵌入式系统
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