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252255B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 21.5 MHz
1. Features
Typical 1dB bandwidth of 21.5 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1 dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 10.0 MHz)
Group Delay Variation (fo ± 10.0 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
148.0 MHz SAW Filter
Project Name 252255B
Minimum
-
-
21.0
-
-
-
-
-
50
Source and Load Impedance = 50Ω
Typical
Maximum
148.0
-
22.0
23.5
21.59
-
22.52
-
26.48
27.0
0.6
1.0
20
60
1.08
-
55
-
-72
S1365 Package Dimension
13.30±0.2
10
9
8
7
11
ITF 13A001 6
252255B
12
。148-21.5M
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
50Ω
Matching Schematic
11
5
Output
50Ω
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
Output
Pin Configuration
11
Ground
5
Others
6, 12
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
2013. 04. 01
Rev 1.0