252953B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 140.0 MHz SAW Filter

1. Features
 Typical 1dB bandwidth of 28.7 MHz
 Low-Loss Filter
 Single Ended Operation
 Surface Mounted Package (SMD)
2. Electrical Specifications
Operating Temperature : -30℃ ~ +85℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 12.8 MHz)
dB
Group Delay Variation (fo ± 12.8 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
Room Temperature : +25℃
Insertion Loss
dB
Amplitude Ripple (fo ± 13.5 MHz)
dB
Group Delay Variation (fo ± 13.5 MHz)
nsec
S1365 Package Dimension
140.0 MHz SAW Filter
Part Number 252953B
Minimum
-
-
28.3
-
-
-
-
-
40
-
Source and Load Impedance = 50Ω
Typical
Maximum
140.0
-
12.5
14.5
28.7
-
29.8
-
35.7
36.2
0.55
1.0
40
80
0.68
-
45
-
-86
-
Minimum
-
-
-
Typical
12.5
0.55
40
Maximum
14.0
1.0
80
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 13A001
6
252953B
12
. 140-28.7M
5
1
2
3
4
7.62±0.1
7
8
9
10
6
11
1.50±0.1
5
12
4
3
2
1
2.54±0.1
0.80±0.1
I nput
50Ω
L1
C1
11
5
L2
Out put
50Ω
C2
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
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]
L1 = 56nH, C1 = 270pF, L2 = 33nH, C2 = 62pF
Pin Configuration
Input
11
Ground
6, 12
Output
5
Others
Ground
http://www.itf.co.kr [e-mail]
2013. 05. 03
Rev 1.0