Data and signal line chokes
Common-mode chokes, ring core
Insertion loss
α
(typical values at |Z| = 50
Ω,
20 °C)
asymmetrical, all branches in parallel (common mode)
symmetrical (differential mode)
L
R
= 2.2 mH
50
dB
B82790C0225N265
IND0019-1
B82790C0/S0
L
R
= 4.7 mH
50
dB
B82790C0475N265
IND0020-Z
α
40
α
40
30
30
20
20
10
10
0
4
10
10
5
10
6
10
7
10
8
Hz 10
9
f
0
4
10
10
5
10
6
10
7
10
8
Hz 10
9
f
Current derating I
op
/I
R
versus ambient temperature
1.4
I
op
I
R
1.2
1.0
T
R
= 60
˚
C
0.8
0.6
0.4
0.2
0
IND0681-C-E
0
20
40
60
80 100
˚
C
140
T
A
Please read
Cautions and warnings
and
Important notes
at the end of this document.
8
04/08
EPCOS [ EPCOS ]
