English
Language : 

250929B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 185.0 MHz SAW Filter
1. Features
Typical 1dB bandwidth of 9.3 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
185.0 MHz SAW Filter
Part Number250929B
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 4.51 MHz)
Group Delay Variation (fo ± 4.51 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃2
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
185.0
-
-
29.5
31.0
9.25
9.38
-
-
9.63
-
-
10.8
11.0
-
0.55
1.2
-
90
150
-
1.88
-
40
48
-
-
-0.03
-
D2012 Package Dimension
12.7±0.5
4.8max 6.0max
7.6±0.2
Matching Network Configuration
1
5
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
L1 = 68nH, L2 = 56nH, L3 = 39
C1 = 33pF
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
2013. 03. 29
Rev 1.0