... our website: www.ougedianzi.com· EE sereis:applied in the switching power supply,main power transformer · EF series:applied ... powr transformer,main power transformer· PQ series: applied in the linear filter ,choke ,pulse transformer,drive transformer· UU series: ... coils and so on.· EC/EER series applied in the linear filter ,current tranformer,smoothing choke coil,drive transformer TypeDimensions ...