MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant 3252 (51kΩ to 5MΩ) LF Trimmer 3-5-2005 Yes DC 509 MSL No. Construction Element (Subpart) Homogeneous Material Material Weight (g) 1 Contact Spring Nickel-Silver 0.0076 2 Housing PBT 0.739 3 Rotor Nylon 0.0078 4 Potting Epoxy 0.251 5 Shaft Brass 0.13 Headquarters Riverside CA Homogeneous Material Substance Copper Nickel Zinc Polybutylene terephthalate Glass fiber Antimony trioxide Brominated FR (TBBPA polycarbonate polymer) Polyamide 66 Glass fiber Carbon black Tetrafluoroethylene polymer Epoxy resin Antimony trioxide Aluminum oxide Kaolin clay Magnesium alumino silicate Copper CASRN 7440-50-8 7440-02-0 7440-66-6 30965-26-5 65997-17-3 1309-64-4 Material Mass % 65 18 17 55 30 4 Material Mass % of total unit wt. 0.2897 0.0802 0.0758 23.8387 13.0029 1.7337 trade secret 32131-17-2 65997-17-3 1333-86-4 9002-84-0 25068-38-6 1309-64-4 1344-28-1 1332-58-7 1302-88-1 7440-50-8 11 60 30 2 8 64 11 10 6 9 70 4.7677 0.2745 0.1372 0.0091 0.0366 9.4217 1.6194 1.4721 0.8833 1.3249 5.3372 Zinc 7440-66-6 30 2.2874 Nickel (plating) 7440-02-0 0.01 0.0008 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) page 1 of 3 0.45 43.34 0.46 14.72 7.62 MATERIAL DECLARATION SHEET 6 Substrate Ceramic 0.333 7 Spring Clip Alloy 0.003 8 Termination Ink Ink 0.002 9 Resistive Ink Ink 0.0118 10 Terminals Copper Plating Total Weight 0.212 0.0077 10* Lead Wires Teflon Copper Silver plating Total Weight Aluminum oxide Silicon dioxide Magnesium oxide Calcium oxide Cobalt Chromium Nickel Molybdenum Magnesium Carbon Beryllium Iron Silver Copper oxide Bismuth trioxide Lead oxide Boron oxide Ruthenium Dioxide Boron oxide Silicon dioxide Lead oxide Copper Tin 1344-28-1 7631-86-9 1309-48-4 1305-78-8 7440-48-4 7440-47-3 7440-02-0 7439-98-7 7439-95-4 7440-44-0 7440-41-7 7439-89-6 7440-22-4 1317-39-1 1304-76-3 1317-36-8 1303-86-2 12036-10-1 1303-86-2 7631-86-9 1317-36-8 7440-50-8 7440-31-5 96 2 1 1 40 20 15 7 2 0.15 0.04 15.81 96 1.2 1.2 1.1 0.5 9.7 3.5 10.4 76.4 100 100 Polytetrafluoroethylene Copper Silver 9002-84-0 7440-50-8 7440-22-4 50 49.9 0.1 18.7496 0.3906 0.1953 0.1953 0.0704 0.0352 0.0264 0.0123 0.0035 0.0003 0.0001 0.0278 0.1126 0.0014 0.0014 0.0013 0.0006 0.0668 0.0242 0.0718 0.5272 12.4340 0.4516 0.18 0.12 0.69 12.43 0.45 1.705 0.5698 13.8637 13.8360 0.0277 2.055 This Document was updated on: 12-15-2011 Headquarters Riverside CA 19.53 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 3 27.73 MATERIAL DECLARATION SHEET Important remarks: 1. 2. 3. 4. It is the responsibility of the user to verify they are accessing the latest version. Non RoHS compliant versions available without the LF suffix *Optional lead wires terminals available for this model 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 3 of 3