Datasheet

DataSheet
40W, Single Output
VER:00 Page 49 of 62 Issued Date：2009/03/02
EMC Considerations
Suggested Schematic for EN55022 Conducted Emission ClassALimits
Recommended Layout with Input Filter
To meet conducted emissions EN55022 CLASSAneeded the following components：
PXF40-12Sxx
Component Value Voltage Reference
C1 6.8uF 50V 1812 MLCC
C3,C4 1000pF 2KV 1808 MLCC
PXF40-24Sxx
Component Value Voltage Reference
C1 6.8uF 50V 1812 MLCC
C3,C4 1000pF 2KV 1808 MLCC
PXF40-48Sxx
Component Value Voltage Reference
C1 2.2uF 100V 1812 MLCC
C3,C4 1000pF 2KV 1808 MLCC