250955B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 114.5 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 8.8 MHz
Low-Loss Filter
Single Ended Operation
Surface Mounted Package (SMD)
114.5 MHz SAW Filter
Part Number 250955B
2. Electrical Specifications
Operating Temperature : 0℃ ~ +70℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
20dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 3.5 MHz)
dB
Group Delay Variation (fo ± 3.5 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
Minimum
-
-
8.3
-
-
-
-
-
-
40
-
Source and Load Impedance = 50Ω
Typical
Maximum
114.5
-
15.8
18.5
8.8
-
9.95
-
13.0
13.2
14.5
15.0
0.3
0.9
25
60
0.89
1.0
48
-
-18
-
Room Temperature : +25℃
Insertion Loss
dB
Amplitude Ripple (fo ± 3.6 MHz)
dB
Group Delay Variation (fo ± 3.6 MHz)
nsec
Minimum
-
-
-
Typical
15.8
0.3
25
Maximum
18.0
0.9
60
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 10A001
6
250955B
12
. 114.5-8.8M
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
50Ω
15nH
L2
11
L1 ^33nH
18nH
5
L3
Output
50Ω
L4 ^27nH
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