MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant No. Construction Element (Subpart) 3252 (251Ω to 50kΩ) LF Trimmer 3-1-2005 Yes DC 509 MSL 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 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 Homogeneous Material www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 0.45 43.34 0.46 14.72 7.62 page 1 of 3 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 Copper Plating 0.212 0.0077 Total Weight 1.705 10 11* Terminals Lead Wires Headquarters Riverside CA Teflon Copper Silver plating Total Weight 0.5698 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 Calcium silicate borate glass Silver Titanium dioxide Manganese dioxide 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 59794-15-9 7440-22-4 13463-67-7 1313-13-9 96 2 1 1 40 20 15 7 2 0.15 0.04 15.81 96 1.2 1.2 1.1 0.5 35 46 7 5 6 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 0.2422 0.3184 0.0484 0.0346 0.0415 Cuprous oxide Copper 1317-39-1 7440-50-8 1 100 0.0069 12.4340 Tin 7440-31-5 100 0.4516 9002-84-0 7440-50-8 7440-22-4 50 49.95 0.05 13.8637 13.8499 0.0138 Polytetrafluoroethylene Copper Silver 19.53 0.18 0.12 0.69 12.43 0.45 27.73 2.055 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 3 MATERIAL DECLARATION SHEET This Document was updated on: 12-15-2011 Important remarks: 1. 2. 3. 4. It is the responsibility of the user to verify they are accessing the latest version. Non RoHS versions available without the LF suffix *Optional lead wires terminals available for this model RoHS exemption – 7(c)-I – Electrical and electronic components containing lead in a glass or ceramic... Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 3 of 3