DO214AB (SMC) Rectifier Material Content Declaration Material name Substance name CAS no., if e.g. Copper (Cu), known Gold (Au) Lead Frame Copper (Cu) 31.19% 7440-50-8 Phosphorus (P) 7723-14-0 Arsenic (As) 7440-38-2 Tin (Sn) 7440-31-5 Oxygen (O) 7782-44-7 Sulfur (S) 7704-34-9 Iron (Fe) 7439-89-6 Nickel (Ni) 7440-02-0 Bismuth (Bi) 7440-69-9 Antimony (Sb) 1309-64-4 Lead (Pb) 7439-92-1 Zinc (Zn) 7440-66-6 Total Solder Wafer 0.98% Lead (Pb) 7439-92-1 Tin (Sn) 7440-31-5 Silver (Ag) 7440-22-4 Total Chip 1.30% Silicon (Si) Molding 65.86% Epoxy Plating 0.67% Tin (Sn) 7440-21-3 Total 25928-94-3 Total 7440-31-5 Total Total mass (mg) Substance mass (mg) 51.7800 0.0005 0.0005 0.0005 0.0003 0.0062 0.0003 0.0002 0.0010 0.0010 0.0003 0.0002 51.79 1.59 0.09 0.04 1.72 1.64 1.64 196.60 196.60 0.92 0.92 252.67 % OF Weight (%) ppm Of Total Weight 99.9787 0.0010 0.0010 0.0010 0.0005 0.0120 0.0007 0.0003 0.0020 0.0020 0.0005 0.0003 204,930.5 2.0 2.0 2.0 1.0 24.6 1.4 0.6 4.1 4.1 1.0 0.6 92.50 5.00 2.50 6,296.7 340.4 170.2 100.00 6,490.7 100.00 778,086.9 100.00 3,641.1