250402B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 140.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 4.0 MHz
Single Ended Operation
Dip Package
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 1.92 MHz)
Group Delay Variation (fo ± 1.92 MHz)
Absolute Delay
Ultimate Rejection
Relative Attenuation
fo +/- 2.6 MHz
fo +/- 3.5 MHz
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dB
dB
ppm/℃²
140.0 MHz SAW Filter
Part Number 250402B
Minimum
-
-
4.0
4.2
-
-
-
-
45
Source and Load Impedance = 50Ω
Typical
Maximum
140.0
-
22.5
25.0
4.07
-
4.3
-
5.22
5.3
0.4
1.0
130
250
2.69
-
50
-
30
35
-
48
55
-
-
-0.03
-
D2712 Package Dimension
1 2 .7 ± 0 .5
5.5max 6.0max
7.6 ± 0 .2
Matching Schematic
100 nH
1
Input
50 Ω
43 pF
100 nH
5
Output
50 Ω
43 pF
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. 04. 05
Rev 1.0