NDK WFA17A0422CL

SAW Device
SAW Filter for Specified Low Power Radio
For Industrial Use
n Features
l A narrowband filter.
l Compact and light.
Pb
Free
n Specifications
Model
WFA17A0422CL
Item
min.
typ.
max.
Nominal frequency : f0 (MHz)
–
421.9
–
Insertion loss (dB) at 421.4 to 422.4MHz
–
2.0
3.5
In-band ripple (dB) at 421.4 to 422.4MHz
–
0.5
1.5
VSWR at 421.4 to 422.4MHz
–
1.5
2.5
–
Guaranteed attenuation
400.8MHz
50
60
(from the throughlevel)(dB)
443.6MHz
45
50
–
–20
–
70
Operating temperature range (°C)
Terminating impedance (Ω)
50
n Dimensions
n Characteristics
mm
PAD NO.
CONNECTION
Others
GND
3.0±0.2
5
INPUT
5
OUTPUT
[In-band characteristics]
1.000 dB/
4
3.0±0.2
6
2
CH1 A/R LOG MAG
REF 0.000 dB
2
1
3
CENTER(MHz) 421.9000
SPAN(MHz) 10.000
1.45max
CH1
Reference land pattern
1.25
2
3
6
5
4
[Out-of-band characteristics]
1.25
CH1 A/R LOG MAG
REF 0.000 dB
10.000 dB/
4.0
1.4
1
2.0
5–0.85±0.151.5±0.15
2–1.6±0.15
2–0.6±0.1
0.7
0.6
0.7
CH1 CENTER(MHz) 421.9000
SPAN(MHz) 100.000
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