MATERIAL DECLARATION SHEET Material Number 3224 (25kΩ to 2MΩ) Product Line Trimmer Compliance Date 3-1-2005 RoHS Compliant Yes DC 0509 No. Construction Element(subpart) Homogeneous Material 1 Contact Spring Ni/Ag 2 Housing PEEK 3 4 5 6 Rotor Potting Shaft Substrate Headquarters Riverside CA PPAI Epoxy Brass Alumina MSL Material weight [g] 0.0003 0.0012 0.0006 0.071 0.008 0.029 0.012 0.049 Homogeneous Material Substances Nickel Copper Zinc if applicable 7440-02-0 7440-50-8 7440-66-6 Materia ls Mass % 18 55 27 Polyetheretherketone 31694-16-3 70 26.076 Glass Fiber 65997-17-3 30 11.175 PPA(Polyphthalamide) 24938-03-2 100 4.197 Cycloaliphatic epoxide Trade secret 40 6.086 Polyetherpolyol resins 39072-02-1 15 2.282 Silicon dioxide 67762-90-7 25 3.804 Hydrated alumina 21645-51-2 20 3.043 Copper Zinc Lead 7440-50-8 7440-66-6 7440-92-1 61.49 35.4 3.1 3.871 2.229 0.195 Nickel (plating) 7440-02-0 0.01 0.001 Aluminum Oxide 1344-28-1 96 24.680 Silicon oxide 7631-86-9 2 0.514 Magnesium oxide 1309-48-4 1 0.257 Calcium oxide 1305-78-8 1 0.257 CASRN Material Mass % of total unit wt. 0.157 0.630 0.315 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 1.102 37.251 4.197 15.215 6.296 25.708 page 1 of 2 MATERIAL DECLARATION SHEET 7 8 Termination Ink Resistive Ink Ink Ink 0.002 0.0015 Silver 7440-22-4 82 0.860 Barium oxide 1304-28-5 2 0.021 Boron oxide 1303-86-2 2 0.021 Bismuth trioxide 1304-76-3 14 0.147 Ruthenium Dioxide 12036-10-1 9.7 0.076 Boron oxide 1303-86-2 3.5 0.028 Silicon dioxide 7631-86-9 10.4 0.082 Lead oxide 1317-36-8 76.4 0.601 1.049 0.787 9 Terminals Copper 0.015 Copper 7440-50-8 100 7.870 7.870 10 Coating Solder 0.001 Tin 7440-31-5 100 0.525 0.525 Total weight 0.1906 This Document was updated on: 7-6-2012 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