PC40ETDXX PDF File ( Datasheet )

(1, 71) Ferrite For Switching Power Supplies TECHNICAL DATA EI Cores (EI12.5 to EI60) EE Cores (EE10, 11 to EE62.3, 62, 6) EER Cores (EER25.5 to EER42, 42, 20) ETD Cores (ETD19 to ETD49) PQ Cores (PQ20, 16 to PQ50, 50) LP Cores (LP23, 8 to LP32, 13) RM Cores (RM4 to RM14) EPC Cores (EPC13 to EPC30) All specifications are subject to change without notice. 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 Ef