FAQ
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?
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  • Gleichtaktdrossel/Filter für Signalleitungen


A. Common mode filters (common mode chokes) cannot be used for the primary side of a power supply or for an AC line. Please use a signal line or DC power source line.
Please refer to the Selection Guide published by TDK in order to confirm products based on the usage method.

All related FAQ
Q.
Why are common mode filters / chokes necessary?
  • Gleichtaktdrossel/Filter für Signalleitungen
Q.
In which locations can common mode filters (common mode chokes) be effectively used as EMC countermeasure components?
  • Gleichtaktdrossel/Filter für Signalleitungen
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)?
  • Gleichtaktdrossel/Filter für Signalleitungen
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?
  • Gleichtaktdrossel/Filter für Signalleitungen
Q.
Are there any problems in mounting common mode filters / chokes in GND-signal lines?
  • Gleichtaktdrossel/Filter für Signalleitungen
Q.
Are there any problems in mounting common mode filters / chokes for signal lines?
  • Gleichtaktdrossel/Filter für Signalleitungen
Q.
Where can I confirm the weight of common mode filters (common mode chokes)?
  • Gleichtaktdrossel/Filter für Signalleitungen
Q.
Do common mode filters / chokes generate heat?
  • Gleichtaktdrossel/Filter für Signalleitungen
Q.
Where can I view a list of TDK’s common mode filters (common mode chokes)?
  • Gleichtaktdrossel/Filter für Signalleitungen
Q.
Where can the reflow conditions of TDK’s common mode filters (common mode chokes) be confirmed?
  • Gleichtaktdrossel/Filter für Signalleitungen