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253059B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 138.24 MHz SAW Filter
1. Features
Typical 1dB bandwidth of 29.8 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Operating Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
20dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 14.5 MHz)
Group Delay Variation (fo ± 14.5 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
138.24 MHz SAW Filter
Part Number 253059B
Minimum
-
-
29.7
-
-
-
-
-
-
45
-
Source and Load Impedance = 50Ω
Typical
Maximum
138.24
-
23.5
25.5
29.8
-
30.25
-
31.58
31.8
32.2
32.4
0.65
1.0
25
60
1.46
-
50
-
-72
-
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 11A001
6
253059B
12 。138.24-29.8M
5
1
2
3
4
7.62±0.1
7
8
9
10
6
11
1.50±0.1
5
12
4
3
2
1
2.54±0.1
0.80±0.1
Input
50 Ω
56nH
11
330nH
5
47nH
Output
50 Ω
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
Input
11
Ground
12, 6
Output
5
Others
Ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr sales@itf.co.kr
2011. 08. 25
Rev 1.0