252508B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 185.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 24.6 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Operating Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 11.8 MHz)
Group Delay Variation (fo ± 11.8 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
185.0 MHz SAW Filter
Part Number _252508B
Source and Load Impedance = 50Ω
Minimum
Typical
Maximum
-
185.0
-
-
27.8
29.5
24.4
24.63
-
-
25.16
-
-
27.4
27.55
-
0.45
1.0
-
20
50
-
2.06
-
45
50
-
-72
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
11
ITF 13A001 6
252508B
12
。185-24.6M 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
L2 ¹¹
L1
5
L3
Output
50Ω
L4
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 = L4 = 22nH, L2 = L3 = 12nH
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. 03. 25
Rev 1.0