250801B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 140.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 8.06 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
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
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dB
dB
ppm/℃
140.0 MHz SAW Filter
Part Number 250801B
Minimum
-
-
8.0
-
-
-
-
-
45
Source and Load Impedance = 50Ω
Typical
Maximum
140.0
-
27.5
29.0
8.06
-
8.2
-
8.8
8.9
0.6
1.0
100
150
4.88
-
50
-
-
40
-
-
50
-
-
-18
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
33nH
1
Input
50Ω
36pFH
33nH
5
Output
39pF
50Ω
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: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2010. 03. 12
Rev 1.0