Datasheet

WPMIx9200501S / 1779205x4
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 17/21
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 11).
C4
+VIN
1
7
2
-VIN
5
+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 5V:
Input Voltage 12V:
Input Voltage 24V:
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/5000V
Impulse Voltage 1812 X7R
885352211001
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/5000V
Impulse Voltage 1812 X7R
885352211001
Würth Elektronik
DESIGNATOR
DESCRIPTION
ORDER CODE
MANUFACTURER
C1
Filter ceramic chip capacitor 2.2µF/50V 1812 X7R
885012210032
Würth Elektronik
L1
Filter inductor, 47µH, PD2 family
744773147
Würth Elektronik
C4
Filter ceramic chip capacitor 470pF/250Vac/5000V
Impulse Voltage 1812 X7R
885352211001
Würth Elektronik