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251507B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 15.7 MHz
1. Features
Typical 1dB bandwidth of 15.7 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Operating Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
25dB Bandwidth
40dB Bandwidth
50dB Bandwidth
Amplitude Ripple (fo +/- 7.65 MHz)
Group Delay Variation (fo +/- 7.65 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
145.0 MHz SAW Filter
Part Number 251507B
Minimum
-
-
15.7
-
-
-
-
-
-
48
-
Source and Load Impedance = 50Ω
Typical
Maximum
145.0
-
28.8
31.0
15.77
-
16.53
16.6
16.7
-
16.8
16.9
0.55
1.0
50
100
4.34
-
52
-
-18
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
Input
50Ω
39nH
1
43pF
5
39nH
47pF
Output
50 Ω
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Input
Output
Pin Configuration
1
Ground
5
Others
2,4
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
2011. 06. 27
Rev 1.0