252707B Datasheet, PDF (1/2 Pages) Integrated Technology Future – Typical 1dB bandwidth of 26.4MHz

1. Features
 Typical 1dB bandwidth of 26.4 MHz
 High attenuation
 Single Ended Operation
 Dual In-line Package (DIP)
2. Electrical Specifications
Operating Temperature : -20℃ ~ +70℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 12.5 MHz)
dB
Group Delay Variation (fo ± 12.5 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Relative Attenuation
(Fo ± 12.5 MHz) ± 3.0 MHz
Temperature Coefficient of Frequency
dB
ppm/℃
Room Temperature : +25℃
Insertion Loss
dB
Amplitude Ripple (fo ± 12.68 MHz)
dB
Group Delay Variation (fo ± 12.68 MHz)
nsec
* Input POWER : +10dBm
D2012 Package Dimension
187.5 MHz SAW Filter
Part Number 252707B
Minimum
187.3
-
26.25
-
-
-
-
-
50
Source and Load Impedance = 50Ω
Typical
Maximum
187.5
25.5
26.4
27.1
30.1
187.7
27.0
-
-
30.25
0.6
1.2
30
60
2.18
-
55
-
40
53
-
-18
-
Minimum
-
-
-
Typical
25.5
0.6
30
Maximum
27.0
1.2
60
Matching Schematic
12.7±0.5
5.5max 6.0max
7.6±0.2
I nput
50Ω
L1
1
L2
5
L4
L3
Out put
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
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 = 47nH, L4 = 68nH
Pin Configuration
Input
1
Ground
2, 4
Output
5
Others
Ground
Tel: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2015. 04. 06
Rev 1.0