FAQ EMC Components Facet FAQ Search List - Product Categories L1 Facet FAQ Search List - Product Categories L2 Product Categories 製品カテゴリ Produktkategorien 产品类别 Facet FAQ Search List - Product Categories L3 Product Categories 製品カテゴリ Produktkategorien 产品类别 Products Measurement Electrical Characteristics Environmental Compatibility Product Quality and Service Life Reliability (-) Structure, material Technical support tools Others Facet FAQ Search List - FAQ Category 1 Product Categories L1 Product CategoriesCapacitorsInductors (Coils)EMC ComponentsRF ComponentsVoltage / Current / Temperature Protection DevicesSensors and Sensor SystemsCeramic Switching / Heating, Piezo Components, Contactors, Buzzers and MicrophonesTransformersFerrites and AccessoriesPower SuppliesMagnets Product Categories L2 Product CategoriesChip BeadsNoise Suppression Filters3-terminal FiltersCommon Mode Filters / ChokesPower Line EMC Filters Product Categories L3 Product Categories FAQ Category CategoriesProductsMeasurementElectrical CharacteristicsEnvironmental CompatibilityOperation manualOperational descriptions by objectiveProduct Quality and Service LifeReliabilityStructure, materialTechnical support toolsTroubleshootingOthersAbout myTDK Structure, material Q. Can common mode filters / chokes be washed? Common Mode Filters / Chokes Q. Are there any restrictions for wire wound type common mode filters / chokes when a gold foil pattern is used on the circuit board to which they are mounted? Common Mode Filters / Chokes Q. Can I apply coating for moisture prevention on common mode filters / chokes? Common Mode Filters / Chokes Q. How can I know the composition of the electrodes or terminals? Common Mode Filters / Chokes Q. Can I apply resin on common mode filters / chokes? Common Mode Filters / Chokes