251302B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 140.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 13.0 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
140.0 MHz SAW Filter
Part Number 251302B
2. Electrical Specifications
Operating Temperature : +25℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 6.4MHz)
dB
Group Delay Variation (fo ± 6.4MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
Temperature Coefficient of Frequency
dB
ppm/℃
Out of Band Gain
@BW Edge ± 400KHz
dB
@BW Edge: 6.5 MHz
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
140 .0
-
-
28.0
29.5
12.95
13.01
-
-
13.17
-
-
13.8
-
-
0.6
1.0
-
80
150
-
4.96
-
45
50
-
-
-18
-
26
38
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
33nH
1
Input
50 Ω
62pF
5
33nH
47pF
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