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251929B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 19.4 MHz
1. Features
Typical 1dB bandwidth of 19.4 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
Group Delay Variation
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
155.0 MHz SAW Filter
Part Number 251929B
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
155.0
-
-
24.0
25.5
19.3
19.48
-
-
19.86
-
-
21.57
21.9
-
0.6
1.0
-
30
80
-
1.71
-
50
55
-
-
-72
-
D2012 Package Dimension
12.7±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
Input
50Ω
1
L1
5
L2
Output
50Ω
C1
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
L1 = 33nH, L2 = 22nH, C1 = 39pF
Pin Configuration
Input
1
Ground
2,4
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: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr sales@itf.co.kr
2013. 04. 01
Rev 1.0