EMI
Suppression
Effect
BNX Series
Chip Ferrite Bead
Suppression of Ripple Noise of DC Side in the Switching Power Supply
Test Circuit
BNX002-01
+5V
Switching Power Supply
CG
Type of Filter
EMI Suppression Effect / Description
There is high frequency noise
of 0.5V maximum.
+5.0V
50µs/div
0.2V/div
Chip EMIFILr
Without Filter
BNX002-01 can suppress most of noise.
When
BNX002-01
is used
+5.0V
50µs/div
0.2V/div
Chip Common Mode Choke Coil
Example of Impulse Noise Suppression
Type of Filter
EMI Suppression Effect
Impulse Noise
2000V/50ns
Without Filter
Y-axis: 500V/div
X-axis: 10ns/sec
Block Type EMIFILr
When
BNX002
is used
Y-axis: 500V/div
X-axis: 10ns/sec
!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 review our product specifications or consult the approval sheet for product specifications before ordering.
C31E.pdf
Mar.28,2011
190
MURATA [ MURATA MANUFACTURING CO., LTD. ]
