90.0 MHz SAW Filter
Part Number
245251B
1. Features
Typical 1dB bandwidth of 51.0 MHz
Low-Loss Filter
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
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/℃
Minimum
89.8
-
50.1
-
-
-
-
-
37
-
Typical
90.0
19.5
51.0
52.5
59.0
0.4
20
0.79
42
-72
Maximum
90.2
21.0
-
-
60.0
1.0
60
-
-
-
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
7
7.62±0.1
8
9
10
I nput
50
Ω
11
L2
11
5
L3
O put
ut
50
Ω
6.50±0.2
11
12
1.61±0.2
2.54±0.1
ITF 13A001
245251B
. 90-51.0M
1
2
3
4
6
6
1.50±0.1
L1
12
3
2
2.54±0.1
1
0.80±0.1
C
1
5
5
4
L1 = 82nH, L2 = 5.6nH, L3 = 68nH, C1 = 27pF
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
Input
Output
11
5
Ground
Others
6, 12
Ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 08. 27
Rev 1.0
ITF [ INTEGRATED TECHNOLOGY FUTURE ]
