Core Shape,Core Cost,Bobbin Cost,Winding Cost,Winding Flexibility,Assembly Difficulty,Mounting Flexibility,Heat Dissipation,Shielding Toroid,Low,Mid,High,Low,Low,Low,Mid,High E,Low,Low,Low,High,Low,Mid,Mid,Low ETD,Mid,Mid,Low,High,Low,Mid,Mid,Low EC,Mid,Mid,Low,High,Low,Mid,Mid,Low EER,Mid,Mid,Low,High,Low,Mid,Mid,Low ER,Mid,Mid,Low,Low,Mid,Low,High,Low Planar,Mid,Mid,Low,Low,Mid,Low,High,Low PQ,High,High,Low,Mid,Mid,Mid,Mid,Mid RM,High,Low,Low,High,Mid,High,High,Mid EP,Mid,High,Low,Mid,Mid,High,Low,High U,Mid,Low,Low,High,Mid,High,Mid,Low