Ferroxcube ETD cores and accessories ETD44 COIL FORMERS General data 18-pins ETD44 coil former PARAMETER SPECIFICATION Coil former material polybutyleneterephtalate (PBT), glass-reinforced, flame retardant in accordance with “UL 94V- 0” ; UL file number E45329(R) Pin material copper-tin alloy (CuSn), tin-lead alloy (SnPb) plated Maximum operating temperature 155 C, “IEC 60085” , class F Resistance to soldering heat “IEC 60068- 2- 20” , Part 2, Test Tb, method 1B, 350 C, 3.5 s Solderability “IEC 60068- 2- 20” , Part 2, Test Ta, method 1 Winding datafor 18-pins ETD44 coil former NUMBER OF SECTIONS WINDING AREA (mm 2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) 1 214 29.5 77 TYPE NUMBER CPH-ETD44-1S-18P