Ferroxcube E F D cores and acces s ories E F D15 G eneral data P A R AME T E R S P E C IF IC A T ION C oil former m ater ial liquid crys tal polymer (LC P ), glas s reinforced, flame retardant in accordance with “UL 94V -0”; UL file number E 54705 P in m ater ial copper-tin alloy (C uS n), tin-(S n) plated Maximum ope ratin g tem peratur e 155 °C , “IE C 60085”, clas s F R es i s tan ce to s o ld erin g he at “IE C 60068-2020”, P art 2, T es t T b, method 1B : 350 °C , 3.5 s S olde rability “IE C 60068-2020”, P art 2, T es t T a, method 1: 235 °C , 2 s W inding data NUMB E R OF S E C T IO NS W INDING AR EA (mm 2 ) MINIMUM W INDING W IDT H (mm) 1 16.7 9.15 AV E R A GE L E NG T H O F T UR N (mm) 25.6 TY P E NUMB E R C P H-E F D15-1S -8P D-Z