112.5 MHz SAW Filter
Part Number
252657B
1. Features
Typical 1dB bandwidth of 25.6 MHz
Low-Loss Filter
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50
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/℃
℃
Minimum
-
-
25.2
-
-
-
-
-
40
-
Typical
112.5
14.0
25.6
26.5
30.6
0.6
65
0.87
46
-86
Maximum
-
16.0
-
-
31.0
1.5
100
-
-
-
S1365 Package Dimension
13.30±0.2
10
9
8
7
7
7.62±0.1
8
9
10
Matching Schematic
39nH
11
130pF
6.50±0.2
11
12
2.54±0.1
ITF 10A001
252657B
. 112.5-25.6M
1
2
3
4
6
6
1.50±0.1
Input
50
Ω
L1
11
5
C2
Output
50
Ω
5
5
12
1.61±0.2
4
3
2
2.54±0.1
1
0.80±0.1
C1
100pF
L2
47nH
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
Input
Output
11
5
Ground
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
2011. 10. 24
Rev 1.0
ITF [ INTEGRATED TECHNOLOGY FUTURE ]
