SAW Device
SAW Filter for RKE
n
Features
l
This is a low-loss filter.
l
Excellent out-of-band characteristics
For Industrial Use
Pb
Free
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Specifications
Model
Item
Nominal frequency : f
0
(MHz)
Minimal insertion loss (IL)(dB)
3-dB passband width (kHz)
Amplitude deviation (dB)
433.76 to 434.08MHz
10 to 414.00MHz
414.00 to 423.00MHz
423.00 to 427.00MHz
Guaranteed attenuation (dB)
427.00 to 432.92MHz
434.92 to 443.00MHz
443.00 to 550.00MHz
550.00 to 1000.00MHz
Operating temperature range (°C)
Terminating impedance (Ω)
433.76 to 434.08MHz
min.
–
–
–
–
45
40
35
10
10
35
45
–40
WF866A0433CH
typ.
433.92
3.0
600
1.0
58
50
45
15
17
42
70
–
320//–3.2pF
max.
–
4.0
–
3.0
–
–
–
–
–
–
–
+105
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Dimensions
mm
3.8±0.2
7
6
5
PAD NO.
Others
3.8±0.2
1
5
CONNECTION
GND
INPUT
OUTPUT
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Characteristics
CH1 A/R LOG MAG
REF –2.500 dB
10.000 dB/
8
4
1
2
3
1.1±0.2
Reference land pattern
4.2
1.9±0.2
1
2
0.9±0.2
6–0.9±0.2
3
1.9
1.4
CH1
CENTER(MHz) 433.9200
SPAN(MHz) 50.000
1.4
1.8±0.2
8
4
1.4
0.8
4.2
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Matching Circuit
36nH
IN
1
5
36nH
OUT
SAW
(0.1)
7
8–0.6±0.2
6
5
0.8
0.8
0.8
1.25
1.27±0.2
1.25
50Ω
7pF
2 3 4 6 7 8
7pF
50Ω
sa08_071102_WF866A0433CH_e1
NDK [ NIHON DEMPA KOGYO ]
