250421B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 140.0 MHz SAW Filter

1. Features
Typical 2dB bandwidth of 4.2 MHz
Single Ended Operation
Dip Package
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
2dB Bandwidth
3dB Bandwidth
25dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 1.9 MHz)
Group Delay Variation (fo ± 1.9 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃²
140.0 MHz SAW Filter
Part Number 250421B
Minimum
-
-
4.16
-
-
-
-
-
-
50
-
Source and Load Impedance = 50Ω
Typical
Maximum
140.0
-
24.5
26.5
4.19
-
4.27
-
4.91
5.0
5.08
-
0.5
1.0
125
230
3.08
-
54
-
-0.03
-
D3512 Package Dimension
1 2 .8 ± 0 .5
5.5max 6.0max
7 .6 ± 0 .2
Matching Schematic
100 nH
1
Input
50 Ω
39 pF
100 nH
5
Output
50 Ω
51 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