125.1 MHz SAW Filter
Part Number
253102B
1. Features
Typical 1dB bandwidth of
30.4 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Operating Temperature : -30℃ ~ +85℃
℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (Fo±14.22 MHz)
Group Delay Variation (Fo±14.22 MHz)
Absolute Delay
Ultimate Rejection
Maximum input Power
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dBm
ppm/℃
Source and Load Impedance = 50
Minimum
Typical
Maximum
-
-
30.3
-
-
-
-
-
48
-
125.1
23.2
30.46
31.0
33.2
0.45
20
1.29
52
-
-72
-
24.5
-
-
33.35
1.0
50
-
-
10
-
-
Minimum
Room Temperature : +25℃
℃
Insertion Loss
Amplitude Ripple (Fo±14.72 MHz)
Group Delay Variation (Fo±14.72 MHz)
D2012 Package Dimension
Typical
23.2
0.45
20
Maximum
24.5
1.0
50
dB
dB
nsec
-
-
-
Matching Schematic
12.7±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Input
50
Ω
L1
1
5
L2
Output
50
Ω
ITF 13A001
253102B
125.1-30.4M
0.45±0.05
20.3±0.5
2.5±0.2
12.7±0.2
L1 = 56nH, L2 = 68nH
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Input
Output
1
5
Ground
Others
2,4
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. 03. 27
Rev 1.0
ITF [ INTEGRATED TECHNOLOGY FUTURE ]
