PC40EE42 Description
(1/71) Ferrite For Switching Power Supplies .. 002-02 / 20050114 / e148.fm (2/71) EI Series EI12.5 Cores(JIS FEI 12.5) .. 1.6 Parameter Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center leg area Minimum cross-sectional area Cross-sectional winding area of core Weight (approx.) C1 e Ae Ve Acp Acp min.