140.0 MHz SAW Filter
Part Number
250510B
1. Features
Typical 1dB bandwidth of 5.0 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 ± 2.4 MHz)
Group Delay Variation (fo ± 2.4 MHz)
Absolute Delay
Ultimate Rejection
Out of band gain
@ Edge ± 400 kHz
@ Edge ± 1.0 MHz
Temperature Coefficient of Frequency
* @Edge = Fo ± 2.5 MHz
Minimum
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
-
-
4.95
-
-
-
-
-
50
Typical
140.0
23.0
5.03
5.2
5.97
0.5
120
4.36
52
23
52
Maximum
-
25.0
-
-
6.1
1.0
250
-
-
ppm/℃
℃
-
-18
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
18nH
Input
50
Ω
25.4±0.2
1
5
22nH
56pF
Output
50
Ω
ITF 10A001
250510B
140-5.0M
56pF
35.1±0.5
0.45±0.05
2.5±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. 07. 30
Rev 1.0
ITF [ INTEGRATED TECHNOLOGY FUTURE ]
