252657B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 112.5 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 25.6 MHz
Low-Loss Filter
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 12.5 MHz)
Group Delay Variation (fo ± 12.5 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
112.5 MHz SAW Filter
Part Number 252657B
Minimum
-
-
25.2
-
-
-
-
-
40
-
Source and Load Impedance = 50Ω
Typical
Maximum
112.5
-
14.0
16.0
25.6
-
26.5
-
30.6
31.0
0.6
1.5
65
100
0.87
-
46
-
-86
-
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 10A001
6
252657B
12 _{. 112.5-25.6M}
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
39nH
L1
11
C1 ^100pF
130pF
5
C2
Output
50Ω
L2 ^47nH
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
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
6,12
Ground
2011. 10. 24
Rev 1.0