140.0 MHz SAW Filter
Part Number
250801B
1. Features
Typical 1dB bandwidth of 8.06 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Operating Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 3.9 MHz)
Group Delay Variation (fo ± 3.9 MHz)
Absolute Delay
Ultimate Rejection
Relative attenuation
fo ± 4.4 MHz
fo ± 9.0 MHz
Temperature Coefficient of Frequency
dB
dB
ppm/℃
℃
-
-
-
40
50
-18
-
-
-
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
Minimum
-
-
8.0
-
-
-
-
-
45
Typical
140.0
27.5
8.06
8.2
8.8
0.6
100
4.88
50
Maximum
-
29.0
-
-
8.9
1.0
150
-
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
33nH
Input
50
Ω
1
5
33nH
Output
50
Ω
ITF 10A001
250801B
140-8.0M
36pFH
39pF
35.1±0.5
0.45±0.05
2.5±0.2
25.4±0.2
Pin Configuration
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
1
5
Ground
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
2010. 03. 12
Rev 1.0
ITF [ INTEGRATED TECHNOLOGY FUTURE ]
