MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant No. Construction Element (Subpart) 3009 (100KΩ to 2MΩ) Trimmer 3-1-2005 Yes DC 509 MSL Homogeneous Material Material Weight (g) 1 Contact Spring Ni/Ag 0.007 2 Housing PBT 0.4574 3 Post Nylon 0.021 4 Potting Epoxy 0.311 5 Shaft Brass 0.236 6 Substrate Alumina 0.243 Headquarters Riverside CA Substance Nickel Copper Zinc Polybutylene terephthalate Glass fiber Antimony trioxide Brominated FR (TBBPA polycarbonate polymer) Polyhexamethylene adipamide CASRN 7440-02-0 7440-50-8 7440-66-6 30965-26-5 65997-17-3 1309-64-4 Material Mass % 55 18 27 55 30 4 Material Mass % of total unit wt. 0.3456 0.1131 0.1697 22.5826 12.3178 1.6424 trade secret 32131-17-2 11 90 4.5165 1.3753 Glass fiber Cycloaliphatic epoxide Polyetherpolyol resins Silicon dioxide Hydrated alumina Copper Zinc Lead Aluminum Oxide Manganese oxide Silicon oxide Calcium oxide 65997-17-3 trade secret 39072-02-1 67762-90-7 21645-51-2 7440-50-8 7440-66-6 7439-89-6 1344-28-1 1309-48-4 7631-86-9 1305-78-8 10 40 15 25 20 61.5 35.4 3.1 96 1 2 1 0.1528 11.1670 4.1876 6.9794 5.5835 10.5618 6.0795 0.5324 20.9408 0.2181 0.4363 0.2181 Homogeneous Material www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 0.51 33.28 1.53 22.63 17.17 17.68 page 1 of 2 MATERIAL DECLARATION SHEET 7 Termination Ink Ink 0.0027 8 Resistive Ink Ink 0.0055 9 Terminals Copper Plating Total Weight 0.0876 0.003 1.3742 Silver Palladium Lead oxide glass Bismuth trioxide Boron oxide Copper oxide Ruthenium Dioxide Boron oxide Silicon dioxide Lead oxide Copper Tin 7440-22-4 7440-05-3 1317-36-8 1304-76-3 1303-86-2 1317-39-1 12036-10-1 1303-86-2 7631-86-9 1317-36-8 7440-50-8 7440-31-5 88 6 1.0 2.9 0.9 1.2 9.7 3.5 10.4 76.4 100 100 0.1729 0.0118 0.0020 0.0057 0.0018 0.0023 0.0388 0.014 0.0416 0.3056 6.3746 0.2183 0.20 0.40 6.59 This Document was updated on: 5-18-2011 Important remarks: 1. 2. It is the responsibility of the user to verify they are accessing the latest version. Please see RoHS Certificate of Compliance for exemptions used. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2