... linear filter ,current tranformer,smoothing choke coil,drive transformer•RM core core: filters, inductors and transformers ... goes bottom.;Application: Power-transfer transformers, choke coils, communication standby transformers.EFD Type TransformerFeature: Horizontal installation, ... appropriate cores.2.Epoxy resin coating. Application: Pulse transformers, choke coils, filters, creepage-alamers. Note: ...