253251B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 125.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 31.85 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
40dB Bandwidth
Amplitude Ripple (fo ± 15.5 MHz)
Group Delay Variation (fo ± 15.5 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
125.0 MHz SAW Filter
Part Number 253251B
Minimum
-
-
31.7
-
-
-
-
-
50
-
Source and Load Impedance = 50Ω
Typical
Maximum
125.0
-
23.5
25.0
31.85
-
32.65
-
36.2
36.3
0.5
1.0
20
40
0.98
-
52
-
-72
-
S1365 Package Dimension
13.30±0.2
10
9
8
7
11 _{ITF 10A001} 6
253251B
12
5
125-31.9M
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
Matching Schematic
68nH
11
Input
50 Ω
5
82nH
4.3pF
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
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: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2010. 09.14
Rev 1.0