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  Datasheet File OCR Text:
 SAW Device
SAW Filter for Specified Low Power Radio
n Features
l A filter with low insertion loss. l Compact and light.
For Industrial Use
Pb Free
n Specifications
Model Item Nominal frequency : f0 (MHz) Insertion loss (dB) at 426 to 430MHz In-band ripple (dB) at 426 to 430MHz VSWR at 426 to 430MHz Guaranteed attenuation (from the throughlevel)(dB) Terminating impedance () 406.6MHz 449.4MHz min. - - - - 50 45 -20 WF871E0428CD typ. 428 1.2 0.15 1.4 55 60 - 50 max. - 2.5 1.0 2.0 - - 70
Operating temperature range (C)
n Dimensions
mm
PAD NO. Others 2 3.00.2 6 5 4 5 CONNECTION GND INPUT OUTPUT
n Characteristics
[In-band characteristics]
CH1 A/R LOG MAG REF 0.000 dB 1.000 dB/
1
2
3 CH1 CENTER(MHz) 428.0000 1.45max SPAN(MHz) 50.000
3.00.2
Reference land pattern 2-1.60.15 1.50.15 1 2 3 1.4 1.25 1.25
[Out-of-band characteristics]
CH1 A/R LOG MAG REF 0.000 dB 10.000 dB/ 4.0
5-0.850.15
6
5 2-0.60.1
4 0.7 0.6 0.7
2.0
CH1 CENTER(MHz) 428.0000
SPAN(MHz) 200.000
sa13_071102_WF871E0428CD_e1


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