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T81251B Datasheet(PDF) 1 Page - Integrated Technology Future

Part # T81251B
Description  812.5 MHz SAW Filter
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Manufacturer  ITF [Integrated Technology Future]
Direct Link  http://www.itf.co.kr
Logo ITF - Integrated Technology Future

T81251B Datasheet(HTML) 1 Page - Integrated Technology Future

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812.5 MHz SAW Filter
Part Number T81251B
Tel: 82-32-621-1213
2013. 03. 29
I T F
Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
Rev 1.0
1. Features
Typical 1dB bandwidth of 7.6 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50
Room Temperature : +25℃
Minimum
Typical
Maximum
Center Frequency (fo)
MHz
-
812.5
-
Insertion Loss
dB
-
22.5
24.5
1dB Bandwidth
MHz
-
7.6
-
3dB Bandwidth
MHz
7.7
8.05
-
40dB Bandwidth
MHz
-
10.2
10.4
Amplitude Ripple (fo ± 3.5 MHz)
dB
-
0.7
1.5
Group Delay Variation (fo ± 3.5 MHz)
nsec
-
75
150
Absolute Delay
usec
-
1.6
-
Ultimate Rejection
dB
40
45
-
Temperature Coefficient of Frequency
ppm/℃
2
-0.03
S1365 Package Dimension
Matching Network Configuration
Pin Configuration
Input
11
Ground
6, 12
12
11
10
9
8
7
6
5
4
3
2
1
0.80±0.1
1.50±0.1
2.54±0.1
7.62±0.1
13.30±0.2
1
2
3
4
10
9
8
7
5
6
11
12
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
Output
5
Others
Ground
ITF RSOC01
T81251B
。812.5-7.6M
Input
50Ω
Output
50Ω
11
5
2.7nH
2.2nH
5pF
7pF


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