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 : f
0
(MHz)
Insertion loss (dB) at 425.5 to 426.5MHz
In-band ripple (dB) at 425.5 to 426.5MHz
VSWR at 425.5 to 426.5MHz
Guaranteed attenuation
(from the throughlevel)(dB)
Terminating impedance (Ω)
404.6MHz
447.4MHz
min.
–
–
–
–
50
45
–20
WF871D0426CD
typ.
426
1.2
0.15
1.3
55
60
–
50
max.
–
2.5
1.0
2.0
–
–
70
Operating temperature range (°C)
n
Dimensions
mm
PAD NO.
Others
2
5
3.0±0.2
6
5
4
CONNECTION
GND
INPUT
OUTPUT
n
Characteristics
[In-band characteristics]
CH1 A/R LOG MAG
REF 0.000 dB
1.000 dB/
3.0±0.2
1
2
3
1.45max
CH1
CENTER(MHz) 426.0000
SPAN(MHz) 50.000
Reference land pattern
2–1.6±0.15
1.5±0.15
1
2
3
1.4
1.25
1.25
[Out-of-band characteristics]
CH1 A/R LOG MAG
REF 0.001 dB
10.000 dB/
5–0.85±0.15
6
5
2–0.6±0.1
4
0.7
0.6
0.7
2.0
4.0
CH1
CENTER(MHz) 426.0000
SPAN(MHz) 200.000
sa12_071102_WF871D0426CD_e1
