... Series Bobbins, Used in Switching Power Transformers, Ideal for Ferrite Core EE5 to EE55 series bobbins EF12.6, EF16, EF20, EF25 ... , ETD39, ETD44, ETD49, ETD54 or ETD59 series bobbins RM4, RM5, RM6, RM7, RM8, RM10, RM12 or RM14 series bobbins PQ1616 to ... and covers series bobbins ADSL transformers bobbin series Power inductor base series ETD, EF, RM, UU or ER series clamps EE Transformer Bobbin