250528B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 4.8MHz

1. Features
 Typical 1dB bandwidth of 4.8 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 (fo ± 2.15 MHz)
Group Delay Variation (fo ± 2.15 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
* Input POWER : +10dBm
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
121.5 MHz SAW Filter
Part Number 250528B
Minimum
121.35
-
4.6
-
-
-
-
-
45
-
Source and Load Impedance = 50Ω
Typical
Maximum
121.5
121.65
24.5
26.5
4.8
-
5.0
-
5.9
6.2
0.45
1.0
100
250
4.0
-
52
-
-72
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
I nput
C1 ₁
50Ω
L1
5
L2
Output
50Ω
C2
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 = 27nH, C1 = 110pF, L2 = 22nH, C2 = 82pF
Pin Configuration
Input
1
Ground
2, 4
Output
5
Others
Ground
Tel: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2015. 03. 11
Rev 1.0