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252018B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 19.77MHz
1. Features
 Typical 1dB bandwidth of 19.77 MHz
 High attenuation
 Single Ended Operation
 Dual In-line Package (DIP)
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 9.22 MHz)
Group Delay Variation (fo ± 9.22 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
* Input POWER : +10dBm
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
115.2 MHz SAW Filter
Part Number 252018B
Minimum
115.05
-
19.55
-
-
-
-
-
50
-
Source and Load Impedance = 50Ω
Typical
Maximum
115.2
115.35
21.7
23.5
19.77
-
20.16
-
21.88
22.05
0.55
1.0
35
80
1.69
-
55
-
-72
-
D2012 Package Dimension
12.7±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
I nput
50Ω
L1
1
C1
5
L2
Out put
50Ω
C2
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
C1 = 20pF, L1 = 68nH, L2 = 56nH, C2 = 22pF
Pin Configuration
Input
1
Ground
2, 4
Output
5
Others
Ground
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr sales@itf.co.kr
2015. 03. 11
Rev 1.0