251671B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 185.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 15.5 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
185.0 MHz SAW Filter
Part Number_251671B
2. Electrical Specifications
Operating Temperature :
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
0℃ ~ 80℃
MHz
dB
MHz
MHz
25dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 7.25 MHz)
dB
Group Delay Variation (fo ± 7.25 MHz)
nsec
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
usec
dB
ppm/℃
Insertion Loss
dB
Amplitude Ripple (fo ± 7.38 MHz)
dB
Group Delay Variation (fo ± 7.38 MHz)
nsec
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
185.0
-
-
25.5
27.5
15.35
15.57
-
-
16.03
-
-
17.48
-
-
17.9
18.2
-
0.45
1.2
-
50
80
-
1.30
40
45
-
-
-18
-
Minimum Typical Maximum
-
25.5
27.5
-
0.45
1.2
-
50
80
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 12A001
6
251671B
12
。185-15.5M
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
Input
50Ω
C1
11
L1
5
L2
Output
50Ω
C2
L1 = 18nH, L2 = 39nH
C1 = 30pF, C2 = 39pF
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Pla
ted
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
Input
Output
Pin Configuration
11
Ground
5
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: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2013. 05. 13
Rev 1.1