Outline of EMI Suppression Filters (EMIFILr) for DC Line
!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Chip Ferrite Bead
.............P.18–65
..........P.106–108
Ferrite Bead Inductor
[Equivalent Circuit]
[Impedance-Frequency Characteristics (typical)]
oChip Ferrite Bead
oFerrite Bead Inductor
" Chip Ferrite Beads are effective for frequencies ranging
from a few MHz to a few GHz. Chip Ferrite Beads are
widely used as a low noise countermeasure, as well as a
universal noise suppression component.
" Chip Ferrite Beads produce a micro inductance in the low
frequency range. At high frequencies, however, the
resistive component of the inductor produces the primary
impedance. When inserted in series in the noise
producing circuit, the resistive impedance of the inductor
prevents noise propagation.
0
200
400
600
800
1000
1
10
100
1000
Frequency [MHz]
R : Real Part (Resistive Portion)
X : Imaginary Part (Inductive Portion)
X
R
Z
R(f)
BL01
BL02RN1R3J2B
BL02RN2R3J2B
BL02RN1
BL02RN2R1M2B
BL03RN2R1M1B
BLM03
BLA31
BLM31
BLM41
BLM18
BLM21
BLM15
BLA2A
6
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specificaions before ordering.
!Note
C31E9.pdf 03.3.12
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