Ferroxcube Frame and Bar cores and accessories FRM20/5/15 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 10.2 ±0.1 14.3 ±0.1 6.7 ±0.1 5.6 ±0.1 1.4 book, full pagewidth 2.9 4.0 ±0.1 ±0.1 6.8 ±0.1 0.1 ±0.1 0.4 21.9 ±0.15 0.7 24.0 ±0.2 20.0 ±0.1 2.52 1.1 ( 7) 14.2 ±0.1 0.6 0.38 (×6) CBW548 Dimensions in mm. Fig.3 SMD coil former for FRM20/5/15. Winding data NUMBER OF SECTIONS NUMBER OF SOLDER PADS WINDING AREA (mm2) WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) 8 10 3.5 + 7 × 1.5 2.52 + 8 × 1.1 27 TYPE NUMBER CPHS-FRM20/15-8S-10P