MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant 3314 (10Ω to 200Ω) Trimmer 3-9-2011 Yes DC 509 MSL No. Construction Element (Subpart) Homogeneous Material 1 Contact Spring Ni/Ag 2 Housing LCP 0.0349 3 Rotor LCP 0.0171 4 O - Ring Rubber 0.0016 5 Lid Stainless Steel 0.0228 6 Substrate Ceramic 0.0498 Headquarters Riverside CA Material Weight (g) 0.00028 0.00087 0.00043 Homogeneous Material Substance Nickel Copper Zinc Liquid Crystal Polymer Glass fiber Liquid Crystal Polymer Glass fiber Silicone Rubber Iron Chromium Nickel Manganese Silica Carbon Phosphorus Sulfur Alumina Oxide Silicon Dioxide Magnesium Oxide Calcium Oxide CASRN 7440-02-0 7440-50-8 7440-66-6 Material Mass % 18 65 17 Material Mass % of total unit wt. 0.036 0.406 0.052 70679-92-4 65997-17-3 60 40 15.032 10.022 25.05 70679-92-4 65997-17-3 63394-02-5 7439-89-6 7440-47-3 7440-02-0 7439-96-5 7440-21-3 7440-44-0 7723-14-0 7704-34-9 1344-28-1 7631-86-9 60 40 100 72.85 17 5 2 1 0.15 1 1 96 2 7.365 4.910 1.149 11.924 2.782 0.818 0.327 0.164 0.025 0.164 0.164 34.320 0.715 12.28 1309-48-4 1305-78-8 1 1 0.358 0.358 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 1.13 1.15 16.37 35.75 page 1 of 2 MATERIAL DECLARATION SHEET 7 Termination Ink Ink 0.0002 Silver Silver Palladium 8 Resistive Ink Ink 0.0008 Barium borate glass Manganese dioxide Copper Tin 9 Lead Frame Copper Plating Total Weight 0.0095 0.001 0.1393 7440-22-4 7440-22-4 7440-05-3 100 25 30 0.144 0.144 0.172 13701-59-2 41 0.235 1313-13-9 7440-50-8 7440-31-5 4 100 100 0.023 6.820 0.718 0.14 0.57 7.54 This Document was updated on: 5-10-2011 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2