Ferroxcube U cores and accessories U10/8/3 COIL FORMERS General data 4-pins U10/8/3 coil former PARAMETER SPECIFICATION Coil former material polybuteleneterephtalate (PBT), glass-reinforced, flame retardant in accordance with “UL 94V-0”; UL file number E69578(M) 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: 235 C, 2 s Winding data for 4-pins U10/8/3 coil former NUMBER OF SECTIONS WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) 1 28 8 30 TYPE NUMBER CPH-U10/8/3-1S-4P