250254B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 2.5 MHz

1. Features
Typical 1dB bandwidth of 2.5 MHz
High attenuation
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 ± 1.0 MHz)
Group Delay Variation (fo ± 1.0 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃²
142.5 MHz SAW Filter
Part Number 250254B
Minimum
-
-
2.35
-
-
-
-
-
48
-
Source and Load Impedance = 50Ω
Typical
Maximum
142.5
-
22.5
24.0
2.5
-
2.83
-
4.3
4.45
0.3
1.0
60
150
1.83
-
52
-
-0.03
-
S1365 Package Dimension
13.30±0.2
10
9
8
7
11
ITF 11A001
6
250254B
12
. 142.5-2.5M
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
Matching Schematic
270nH
L1
11
5
270nH
L2
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
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. 11. 04
Rev 1.0