Torex...Powerfully Small! TOREX SEMICONDUCTOR LTD. Quality Assurance Dept. Composition Table Product(Pb-free): Typical mass: Part Coil Pb-free solder Part name Core（Ferrite） XCL213xxxxDR 25.0 mg Weight(mg) 6.576 1.280 1.042 0.336 0.054 Material name Iron oxide Zinc oxide Nickel oxide Copper oxide Tin oxide Ratio(ppm) 263000 51200 41700 13500 2200 CAS № 1309-37-1 1314-13-2 1313-99-1 1317-38-0 18282-10-5 Internal conductor 0.336 Silver 13500 7440-22-4 Electrode 0.401 Silver 0.076 Nickel 0.206 Tin 16100 3000 8200 7440-22-4 7440-02-0 7440-31-5 Pb-free solder 0.876 Tin 0.046 Antimony 35000 1900 7440-31-5 7440-36-0 Silicon chip 0.648 Silicon - Arsenic 25900 <1 7440-21-3 7440-38-2 Lead pad 1.354 Nickel 0.129 Silver 0.015 Gold 54100 5200 600 7440-02-0 7440-22-4 7440-57-5 Die attach 0.208 Silver 0.031 Epoxy resin 8300 1200 7440-22-4 - Bonding wire 0.208 Gold 8300 7440-57-5 400900 21200 14100 9400 1400 60676-86-0 14808-60-7 IC Resin 10.021 0.531 0.354 0.236 0.035 Silica Epoxy resin Phenol resin Metal hydoxide Silica, crystalline * The component composition is based on the information provided by raw material vender. * The mass of the IC and its fractions could be different due to the manufacturing conditions of materials. * Any indication "-" in CAS number means "confidential."