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| B78108S_10 Datasheet, PDF (7/9 Pages) EPCOS – Inductors | |||
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RF chokes
BC series, 4 s 9.2 (mm)
B78108S, B78148S
Impedance |Z| versus frequency f
measured with impedance analyzer Agilent
4294A or S-parameter network analyzer
Agilent 8753ES, typical values at 20 °C
10 6
Ω
|Z| 10 5
IND0122-K
B781*8S
10 4
10 3
10 2
1 µH
10 µH
100 µH
10 1
1000 µH
4700 µH
10
0
10
5
10 6
10 7
10 8 Hz 10 9
f
Q factor versus frequency f
measured with impedance analyzer
Agilent 4294A, typical values at 20 °C
150
B781*8S
IND0124-C
Q
Inductance L versus DC load current IDC
measured with LCR meter Agilent 4284A,
typical values at 20 °C
10 4
µH
L
10 3
4700 µH
1000 µH
IND0123-X
B781*8S
100 µH
10 2
10 µH
10 1
1 µH
10 0
10
_1
10
_2
10 _1
10 0
A 10 1
IDC
Current derating Iop/IR
versus ambient temperature TA
(rated temperature TR = 40 °C)
1.2
Iop
IR 1.0
IND0552-S-E
100
0.8
1 µH
10 µH
100 µH
0.6
1000 µH
4700 µH
50
0.4
0.2
0
10
4
10 5
10 6
10 7 Hz 10 8
f
0
0 20 40 60 80 100 ËC 140
TA
7 03/08
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