... EE/EF/ETD/RM/PQ/POT/EER Series Bobbins, Used in Switching Power Transformers, Ideal for Ferrite Core EE5 to EE55 series ... , RM12 or RM14 series bobbins PQ1616 to PQ5050 series bobbins EFD15, EFD20, EFD25 or EFD30 series bobbins EPC13, EPC19, ... series bobbins LAN transformers header and covers series bobbins ADSL transformers bobbin series Power inductor base series ETD, EF, RM, UU or ER series clamps EE ...