FAQ
Q.
Do common mode filters / chokes generate heat?
  • EMC Components
    • >
  • Signal Line Common Mode Chokes/Filters


A. They generate heat in accordance with the value of [(current value)2 x power consumption of the DC resistance of the common mode filter / choke] for a DC current.

All related FAQ
Q.
Why are common mode filters / chokes necessary?
  • Signal Line Common Mode Chokes/Filters
Q.
In which locations can common mode filters (common mode chokes) be effectively used as EMC countermeasure components?
  • Signal Line Common Mode Chokes/Filters
Q.
TDK’s common mode filters (common mode chokes) include multilayer products, thin-film products, and wire wound products, but what are their differences (features)?
  • Signal Line Common Mode Chokes/Filters
Q.
It seems that there is no mark indicating the winding direction (polarity) on common mode filters / chokes. If their directions are different when they are mounted, would the properties change?
  • Signal Line Common Mode Chokes/Filters
Q.
Are there any problems in mounting common mode filters / chokes in GND-signal lines?
  • Signal Line Common Mode Chokes/Filters
Q.
Can common mode filters / chokes be used on the primary side of a power supply? Can common mode filters / chokes be used in AC lines?
  • Signal Line Common Mode Chokes/Filters
Q.
Are there any problems in mounting common mode filters / chokes for signal lines?
  • Signal Line Common Mode Chokes/Filters
Q.
Where can I confirm the weight of common mode filters (common mode chokes)?
  • Signal Line Common Mode Chokes/Filters
Q.
Where can I view a list of TDK’s common mode filters (common mode chokes)?
  • Signal Line Common Mode Chokes/Filters
Q.
Where can the reflow conditions of TDK’s common mode filters (common mode chokes) be confirmed?
  • Signal Line Common Mode Chokes/Filters