MATERIAL DECLARATION SHEET Material Number 3224 (250Ω to 20kΩ) Product Line Trimmer Compliance Date 3-1-2005 RoHS Compliant Yes DC0509 MSL Material weight [g] 0.0003 0.0012 0.0006 Homogeneous Material Substances Nickel Copper Zinc PEEK 0.071 Polyetheretherketone PPAI 0.008 No. Construction Element(subpart) Homogeneous Material 1 Contact Spring Ni/Ag 2 Housing 3 Rotor 4 Potting Epoxy 0.029 5 Shaft Brass 0.012 6 Substrate Alumina 0.049 7 Termination Ink Ink 0.002 Headquarters Riverside CA Material Mass % of total unit wt. 0.157 0.630 0.315 Subpart mass of total wt. (%) 7440-02-0 7440-50-8 7440-66-6 Materials Mass % 18 55 27 Glass Fiber 31694-16-3 65997-17-3 70 30 26.076 11.175 37.251 PPA(Polyphthalamide) Cycloaliphatic epoxide Polyetherpolyol resins Silicon dioxide Hydrated alumina Copper Zinc Lead Nickel (plating) Aluminum Oxide Manganese oxide Silicon oxide Calcium oxide Silver Barium oxide Boron oxide Bismuth trioxide 24938-03-2 Trade secret 39072-02-1 67762-90-7 21645-51-2 7440-50-8 7440-66-6 7439-92-1 7440-02-0 1344-28-1 1309-48-4 7631-86-9 1305-78-8 7440-22-4 1304-28-5 1303-86-2 1304-76-3 100 40 15 25 20 61.49 35.4 3.1 0.01 96 1 2 1 82 2 2 14 4.197 4.197 CASRN if applicable www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society 6.086 2.282 3.804 3.043 3.871 2.229 0.195 0.001 24.680 0.514 0.257 0.257 0.860 0.021 0.021 0.147 page 1 of 2 1.102 15.215 6.296 25.708 1.049 MATERIAL DECLARATION SHEET 8 Resistive Ink Ink 0.0015 9 10 Terminals Coating Copper Solder Total weight 0.015 0.001 0.1906 Ruthenium Dioxide Calcium Silicate borate glass Silver Titanium dioxide Manganese dioxide Cuprous oxide Copper Tin 12036-10-1 35 0.276 59794-15-9 7440-22-4 13463-67-7 1313-13-9 1317-39-1 7440-50-8 7440-31-5 46 7 5 6 1 100 100 0.362 0.055 0.039 0.047 0.008 7.870 0.525 This Document was updated on: 7-6-2012 Important remarks: It is the responsibility of the user to verify they are accessing the latest version. 2. Please see RoHS Certificate of Compliance for exemptions used. 1. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2 0.787 7.870 0.525