Ferroxcube Frame and Bar cores and accessories FRM24/3.5/10 COIL FORMERS General data PARAMETER SPECIFICATION Coil former material liquid crystal polymer (LCP), glass-reinforced, flame retardant in accordance with “UL 94V-0”; UL file number E54705(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 6.8 18.8 ±0.1 1.15 5.15 0.48 4.6 handbook, full pagewidth 0.3 4.3 2.2 2.75 30.05 ±0.15 31.9 ±0.15 CBW546 27.95 ±0.15 0.4 1.05 3.7 1.6 (×7) 8.1 0.5 0.3 (×6) 0.4 1.6 0.9 6.1 9.7 4.8 Dimensions in mm. Fig.3 SMD coil former for FRM24/3.5/10. Winding data NUMBER OF SECTIONS NUMBER OF SOLDER PADS WINDING AREA (mm2) WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) 8 9 5.9 + 7 × 1.23 3.7 + 7 × 1.6 17.3 TYPE NUMBER CPHS-FRM24/10-8S-9P