Datasheet

WPMIx9200501S / 1779205x1
MagI
3
C Power Module
FISM – Fixed Isolated SIP Module
we-online.com Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0
©July 2016 18/22
APPLICATION CONSIDERATIONS
Filter Suggestion for Conducted and Radiated EMI
The input filter shown in the schematic below is recommended to achieve conducted and radiated EMI compliance
according to EN55022 Class B (see results on pages 9 to 12).
C4
+VIN
2
4
1
-VIN
3
+VOUT
-VOUT
DC
DC
+VIN
-VIN
C1
L1
+VOUT
-VOUT
C2 C3
Component Values for Class B filters for the EN55022: C3 is an optional MLCC cap to build up a PI - Filter
Input Voltage 3.3V:
Input Voltage 5V:
Input Voltage 12V:
Input Voltage 24V:
Designator
Description
Order Code
Manufacturer
C1
Filter ceramic chip capacitor 22µF/10V 1210 X7R
885012209006
Würth Elektronik
L1
Filter inductor, 3.3µH, PD2 family
744773033
Würth Elektronik
C4
Filter ceramic chip capacitor 470pF/250Vac/2500V Impulse
Voltage 1808 X7R
885362210009
Würth Elektronik
Designator
Description
Order Code
Manufacturer
C1
Filter ceramic chip capacitor 10µF/25V 1210 X7R
885012209028
Würth Elektronik
L1
Filter inductor, 4.7µH, PD2 family
744773047
Würth Elektronik
C4
Filter ceramic chip capacitor 470pF/250Vac/2500V Impulse
Voltage 1808 X7R
885362210009
Würth Elektronik
Designator
Description
Order Code
Manufacturer
C1
Filter ceramic chip capacitor 4.7µF/50V 1210 X7R
885012209048
Würth Elektronik
L1
Filter inductor, 22µH, PD2 family
744773122
Würth Elektronik
C4
Filter ceramic chip capacitor 470pF/250Vac/2500V Impulse
Voltage 1808 X7R
885362210009
Würth Elektronik
Designator
Description
Order Code
Manufacturer
C1
Filter ceramic chip capacitor 4.7µF/50V 1210 X7R
885012209048
Würth Elektronik
C2
Filter ceramic chip capacitor 4.7µF/50V 1210 X7R
885012209048
Würth Elektronik
L1
Filter inductor, 68µH, PD2 family
744773168
Würth Elektronik
C4
Filter ceramic chip capacitor 1000pF/250Vac/5000V Impulse
Voltage 1808 X7R
885352210013
Würth Elektronik