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Dielectric Filters for Surface Mounting
TYPE
#4DFA #4DFB
TYPE #4DFA (2 Pole SMD Type) / #4DFB (3 Pole Type)
Frequency Range: 700~2500MHz Temperature Range: − 40°C~+ 85°C
#4DFA
12.5 9.6 GND 1 7 *12.5 Max. GND 5
Typical Characteristics
#4DFA-1575B-10
0 5 10 0 5 10
20 25 30 35 40 45 50
20 25
Attenuation
Return loss
30 35 40 45 50
1 GND 7
1.5
OUT
IN
(Unit: mm)
* :: Depends on Center Frequency. *
17.5 14.5 1 7 *12.5 Max.
Center Frequency: 1,575.4MHz
Span: 300MHz
#4DFB
5
0 5 10
#4DFB-915E-10
0 5 10
GND
20 25 30 35 40 45 50
20 25
11.5
1.5
OUT 1
GND IN
Attenuation
30 35
(Unit: mm)
* :: Depends on Center Frequency. *
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4DFA Datasheet
