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251925B Datasheet(PDF) 1 Page - Integrated Technology Future

Part # 251925B
Description  Typical 1dB bandwidth of 19.3 MHz
PDF  2 Pages
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Manufacturer  ITF [Integrated Technology Future]
Direct Link  http://www.itf.co.kr
Logo ITF - Integrated Technology Future

251925B Datasheet(HTML) 1 Page - Integrated Technology Future

  251925B Datasheet HTML 1Page - Integrated Technology Future 251925B Datasheet HTML 2Page - Integrated Technology Future  
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145.0 MHz SAW Filter
Part Number 251925B
Tel: 82-32-621-1213
2013. 03. 27
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 19.3 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Room Temperature : +25℃
℃
℃
℃
Minimum
Typical
Maximum
Center Frequency (fo)
MHz
-
145.0
-
Insertion Loss
dB
-
26.5
28.0
1 dB Bandwidth
MHz
19.15
19.36
-
3dB Bandwidth
MHz
-
19.68
-
20dB Bandwidth
MHz
-
20.6
20.65
40dB Bandwidth
MHz
-
21.05
-
Amplitude Ripple (fo ± 9.4 MHz)
dB
-
1.1
1.5
Group Delay Variation (fo ± 9.4 MHz)
nsec
-
40
80
Absolute Delay
usec
-
2.08
-
Ultimate Rejection
dB
40
45
-
Maximum input Power
dBm
-
-
10
Temperature Coefficient of Frequency
ppm/℃
℃
℃
℃
-72
D2012 Package Dimension
Matching Schematic
L1 = 27nH, L2 = 27nH, C1 = 36pF, C2 = 27pF
Pin Configuration
Input
1
Ground
2,4
12.7±0.5
5.5max 6.0max
7.6±0.2
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Output
5
Others
Ground
C2
C1
L2
L1
Input
50Ω
Output
50Ω
1
1
1
1
5
5
5
5


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