250459B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 175.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 4.35 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
175.0 MHz SAW Filter
Part Number 250459B
2. Electrical Specifications
Operating Temperature : -30℃ ~ +80℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 1.92 MHz)
dB
Group Delay Variation (fo ± 1.92 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
Temperature Coefficient of Frequency
dB
ppm/℃²
Room Temperature : +25℃
Insertion Loss
Amplitude Ripple (fo ± 1.92 MHz)
Group Delay Variation (fo ± 1.92 MHz)
MHz
dB
nsec
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
175.0
-
-
23.0
25.0
4.2
4.35
-
-
4.65
-
-
5.93
6.05
-
0.65
1.0
-
80
150
-
1.78
-
45
50
-
-
-0.03
-
Minimum
-
-
-
Typical
23.0
0.65
80
Maximum
25.0
1.0
150
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 11A001
6
250459B
12
。 175-4.3M
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
50 Ω
68nH
11
36pF
5
82nH
27pF
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: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2011. 04. 21
Rev 1.0