250802B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 140.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 8.05 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
140.0 MHz SAW Filter
Part Number 250802B
2. Electrical Specifications
Operating Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 3.875 MHz)
Group Delay Variation (fo ± 3.875 MHz)
Absolute Delay
Ultimate Rejection
@Edge ± 400 kHz
Out of band gain
@Edge ± 600 kHz
@Edge ± 1.0 MHz
Temperature Coefficient of Frequency
Edge: 8.0MHz
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dB
dB
dB
ppm/℃
Minimum
-
-
7.95
-
-
-
-
-
45
-
-
-
-
Source and Load Impedance = 50Ω
Typical
Maximum
140.0
-
31.0
33.5
8.05
-
8.19
15.9
8.78
8.9
0.55
1.0
80
150
4.68
4.7
50
-
40
-
55
-
55
-
-18
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
Input
50Ω
27nH
1
51nH
5
22nH
51nH
Output
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]
2011. 01. 24
Rev 1.0