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250009B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 140.0 MHz SAW Filter
1. Features
Typical 1dB bandwidth of 0.1 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
140.0 MHz SAW Filter
Part Number 250009B
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
50dB Bandwidth
Amplitude Ripple (fo ± 0.02 MHz)
Group Delay Variation (fo ± 0.02 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃2
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
140.0
-
-
17.5
19.0
0.1
0.16
-
-
0.22
-
-
0.65
-
-
0.7
0.8
-
0.2
1.0
-
300
900
-
3.8
-
50
55
-
-
-0.03
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
Input
50Ω
1
L1
C1
5
L2
Output
50Ω
C2
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
L1 = 3.9nH, L2 =6.8nH, C1 = C2 = 100pF
Pin Configuration
Input
1
Ground
2,4
Output
5
Others
Ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr sales@itf.co.kr
2013. 03. 20
Rev 1.0