MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant 3266 (251Ω to 50KΩ) LF Trimmer March 2005 Yes DC 510 MSL No. Construction Element (subpart) Homogeneous Material Material weight [g] 1 Contact Spring Ni/Ag 0.007 2 Housing PBT 0.164 3 Rotor Nylon 0.025 4 Potting Epoxy 0.035 5 Shaft Brass 0.049 6 Substrate Ceramic 0.06 Headquarters Riverside CA Homogeneous Material CASRN Substances Copper Nickel Zinc Polybutylene terephthalate Glass fiber Brominated flame retardant Antimony trioxide PA 66 Glass fiber Tetrafluoroethylene polymer Carbon black Epoxy resin Antimony trioxide Aluminum oxide Kaolin clay Mg alumino silicate Copper Zinc Lead Aluminum oxide Silicon dioxide Magnesium oxide Calcium oxide if applicable 7440-50-8 7440-02-0 7440-66-6 30965-26-5 65997-17-3 trade secret 1309-64-4 32131-17-2 65997-17-3 9002-84-0 7440-44-0 25068-38-6 1309-64-4 1344-28-1 1332-58-7 1302-88-1 7440-50-8 7440-66-6 7439-92-1 1344-28-1 7631-86-9 1309-48-4 1305-78-8 Materials Mass % 65 18 17 49 35 10 6 60 30 8 2 64 11 10 6 9 61.5 35.4 3.1 96 2 1 1 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Material Mass % of total unit wt. 1.1868 0.3286 0.3104 20.9598 14.9713 4.2775 2.5665 3.9124 1.9562 0.5216 0.1304 5.8425 1.0042 0.9129 0.5477 0.8216 7.8599 4.5253 0.3962 15.0235 0.3130 0.1565 0.1565 Subpart mass of total wt. (%) 1.83 42.77 6.52 9.13 12.78 15.65 page 1 of 2 MATERIAL DECLARATION SHEET 7 Termination Ink 8 Resistive Ink 9 Terminals Ink 0.0002 Ink 0.002 Copper Plating Total Weight 0.040 0.0012 0.3834 Silver Palladium Copper oxide 7440-22-4 7440-05-3 1317-39-1 94 3 1.2 0.0489 0.0015 0.0006 Bismuth trioxide Ruthenium Dioxide 1304-76-3 12036-10-1 2 35 0.0011 0.1826 Calcium Silicate borate glass Silver Titanium dioxide Manganese dioxide Cuprous oxide Copper Tin 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 0.2400 0.0365 0.0261 0.0313 0.0052 10.433 0.313 0.05 0.52 10.75 This Document was updated on: 7-20-2011 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. 2. Non-RoHS compliant versions available without the LF suffix – plating is SnPb 3. Please see RoHS Certificate of Compliance for exemptions used, if any. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2