251933B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 125.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 18.9 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
45dB Bandwidth
Amplitude Ripple (Fo±9.22MHz)
Group Delay Variation (Fo±9.22MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
* Input POWER : 10dBm
125.0 MHz SAW Filter
Part Number 251933B
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
-
Source and Load Impedance = 50Ω
Minimum
Typical
Maximum
124.87
125.0
125.13
-
23.7
25.5
18.80
18.94
-
-
19.24
-
-
20.56
20.65
-
0.55
1.0
-
45
100
-
2.26
2.28
50
55
-
-
-72
-
128-LN
D2012 Package Dimension
12.7±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
Input
50Ω
C1
1
L1
5
L2
C2
Output
50Ω
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 = 39nH, L2 = 47nH, C1 = 36pF, C2 = 30pF
Input
Output
Pin Configuration
1
Ground
5
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: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2013. 04. 29
Rev 1.0