251461B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 13.05MHz

1. Features
 Typical 1dB bandwidth of 13.05 MHz
 Low-Loss Filter
 Single Ended Operation
 Surface Mounted Package (SMD)
157 MHz SAW Filter
Part Number 251461B
2. Electrical Specifications
Operating Temperature : -35℃ ~ +60℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 5.0 MHz)
dB
Group Delay Variation (fo ± 5.0 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
Minimum
-
-
12.5
-
-
-
-
-
38
-
Source and Load Impedance = 50Ω
Typical
Maximum
157.0
-
8.0
10.5
13.05
-
14.36
-
19.0
19.5
0.4
1.0
35
70
0.63
-
43
-
-86
-
Room Temperature : +25℃
Minimum
Typical
Maximum
Insertion Loss
dB
-
8.0
10.0
Amplitude Ripple (fo ± 5.65 MHz)
dB
-
0.4
1.0
Group Delay Variation (fo ± 5.65 MHz)
nsec
-
35
70
S7050 Package Dimension
7.00±0.15
ITF 14A001
. 251461B
5.00
67 8
5
9
1.00±0.15
4
10
321
Matching Schematic
I nput
50Ω
L1
9
C1
4
L2
Out put
50Ω
L3
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
C1 = 22pF, L1 = 56nH, L2 = 2.7nH, L3 = 27nH
Pin Configuration
Input
9
Ground
5, 10
Output
4
Others
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]
2014. 03. 27
Rev 1.0