MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant No. 1 2 3 4 Construction Element (Subpart) Contact Spring Housing Post Potting Headquarters Riverside CA 3082-LF (51Ω to 2MΩ) Trimmer 3-1-2005 Yes DC 509 MSL Homogeneous Material Material Weight (g) Pal 7 0.005 PBT PBT Epoxy 0.109 0.0049 0.0252 Substance Palladium Silver Copper Platinum CASRN 7440-05-3 7440-22-4 7440-50-8 7440-06-4 Material Mass % 43 37 15 1 Material Mass % of total unit wt. 0.7547 0.6494 0.2633 0.0176 Nickel Polybutylene terephthalate Glass fiber Antimony trioxide Brominated FR (TBBPA polycarbonate polymer) Polybutylene terephthalate Glass fiber Antimony trioxide Brominated FR (TBBPA polycarbonate polymer) Carbon black Epoxy resin Antimony trioxide Aluminum oxide Kaolin clay Magnesium alumino silicate 7440-02-0 30965-26-5 65997-17-3 1309-64-4 4 55 30 4 0.0702 21.0439 11.4785 1.5305 38.26 trade secret 30965-26-5 65997-17-3 1309-64-4 11 64 18 4 4.2088 1.1008 0.3096 0.0688 1.72 trade secret 1333-86-4 25068-38-6 1309-64-4 1344-28-1 1332-58-7 1302-88-1 13 1 64 11 10 6 9 0.2236 0.0172 5.6613 0.9730 0.8846 0.5307 0.7961 Homogeneous Material www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 1.76 8.85 page 1 of 2 MATERIAL DECLARATION SHEET 5 Substrate Ceramic 0.061 6 Shaft Brass 0.055 7 Termination Ink Ink 0.0007 8 Resistive Ink Ink 0.0013 9 Terminals Copper Plating Total weight 0.022 0.00078 0.285 Aluminum Oxide Silicon oxide Magnesium oxide Calcium oxide Copper Zinc Silver Palladium Lead oxide glass Bismuth trioxide Silicon dioxide Barium oxide Ruthenium Dioxide Boron oxide Silicon dioxide Lead oxide Copper Tin 1344-28-1 7631-86-9 1309-48-4 1305-78-8 7440-50-8 7440-66-6 7440-22-4 7440-05-3 1317-36-8 1304-76-3 7631-86-9 1304-28-5 12036-10-1 1303-86-2 7631-86-9 1317-36-8 7440-50-8 7440-31-5 96 2 1 1 70 30 59 24 9 6 1 1 9.7 3.5 10.4 76.4 100 100 20.5560 0.4283 0.2141 0.2141 13.5145 5.7919 0.1450 0.0590 0.0221 0.0147 0.0025 0.0025 0.0446 0.0161 0.0479 0.3514 7.7225 0.2738 21.41 19.31 0.25 0.46 8.00 This Document was updated on: 6-3-2011 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