245251B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 90.0 MHz SAW Filter

1. Features
 Typical 1dB bandwidth of 51.0 MHz
 Low-Loss Filter
 Single Ended Operation
 Surface Mounted Package (SMD)
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 24.0 MHz)
Group Delay Variation (fo ± 24.0 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
90.0 MHz SAW Filter
Part Number 245251B
Minimum
89.8
-
50.1
-
-
-
-
-
37
-
Source and Load Impedance = 50Ω
Typical
Maximum
90.0
90.2
19.5
21.0
51.0
-
52.5
-
59.0
60.0
0.4
1.0
20
60
0.79
-
42
-
-72
-
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 13A001
6
245251B
12 _{. 90-51.0M}
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
L2
11
5
L3
Out put
50Ω
C1
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
L1 = 82nH, L2 = 5.6nH, L3 = 68nH, C1 = 27pF
Pin Configuration
Input
11
Ground
6, 12
Output
5
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]
2013. 08. 27
Rev 1.0