139.0 MHz SAW Filter
Part Number
251104B
1. Features
Typical 1dB bandwidth of 11.0 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Operating Temperature : +25℃
℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 5.4MHz)
dB
Group Delay Variation (fo ± 5.4MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
℃
Out of Band Gain
@BW Edge ± 400KHz
dB
@BW Edge: 5.5 MHz
Source and Load Impedance = 50
Minimum
Typical
Maximum
-
-
11.0
-
-
-
-
-
45
139.0
26.5
11.04
11.18
11.8
0.6
70
4.97
50
-18
38
-
28.0
-
-
-
1.0
150
-
-
-
-
26
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
39nH
Input
50
Ω
25.4±0.2
1
5
33nH
Output
50
Ω
ITF 11A001
251104B
139-11.0M
47pF
47pF
35.1±0.5
0.45±0.05
2.5±0.2
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
2011. 01. 24
Rev 1.0
ITF [ INTEGRATED TECHNOLOGY FUTURE ]
