Ferrxocube E cores and accessories E55/28/21 General data PARAMETER SPECIFICATION Coil former material Polyamide (PA6.6), glass reinforced, flame retardant in accordance with „UL 94-HB“; UL file number E41938(M) Pin material Copper-zinc alloy (CuZn), tin - (Sn) plated Maximum operating temperature 130°C, “IEC 60085”, class A 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 NUMBER OF SECTIONS WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) TYPE NUMBER 1 278 33 119 CPH-E55/28/21-1S-14P-Z