262952B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 255.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 29.4 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
255.0 MHz SAW Filter
Part Number 262952B
2. Electrical Specifications
Operating Temperature : -20℃ ~ +70℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 14.32 MHz)
dB
Group Delay Variation (fo ± 14.32 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
Minimum
-
-
29.25
-
-
-
-
-
45
-
Source and Load Impedance = 50Ω
Typical
Maximum
255.0
-
31.0
32.5
29.41
-
29.8
-
31.26
31.4
0.65
1.2
30
80
2.66
-
48
-
-18
-
Room Temperature : +25℃
Insertion Loss
Amplitude Ripple (fo ± 14.53 MHz)
Group Delay Variation (fo ± 14.53 MHz)
MHz
dB
nsec
Minimum
-
-
-
Typical
31.0
0.65
30
Maximum
32.5
1.2
80
S2098 Package Dimension
Matching Schematic
20.00±0.2
10 9 8 7 6
ITF 11A001
262952B
。255-29.4M
12 3 4 5
1.56±0.2
7.62±0.1
6 7 8 9 10
5 4 321
1.02±0.1
1.91±0.1
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
50 Ω
18nH 10
36pF
5
18nH
24pF
Output
50Ω
Input
Output
Pin Configuration
10
Ground
5
Others
1,6
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. 01. 24
Rev 1.0