MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant 3252 (10Ω to 250Ω) LF Trimmer 3-1-2005 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 6 Substrate Ceramic 0.333 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 Zinc Nickel (plating) Aluminum oxide Silicon dioxide Magnesium oxide Calcium oxide 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 7440-66-6 7440-02-0 1344-28-1 7631-86-9 1309-48-4 1305-78-8 11 60 30 2 8 64 11 10 6 9 70 29.99 0.01 96 2 1 1 4.7677 0.2745 0.1372 0.0091 0.0366 9.4217 1.6194 1.4721 0.8833 1.3249 5.3372 2.2874 0.0008 18.7496 0.3906 0.1953 0.1953 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 19.53 page 1 of 2 MATERIAL DECLARATION SHEET 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 1.705 10* Lead Wires Teflon Copper Silver plating 0.5698 Total Weight 2.055 Cobalt Chromium Nickel Molybdenum Magnesium Carbon Beryllium Iron Silver Copper oxide Bismuth trioxide Lead oxide Boron oxide Silver Palladium Barium borate glass Manganese dioxide Copper Tin 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 7440-22-4 7440-05-3 13701-59-2 1313-13-9 7440-50-8 7440-31-5 40 20 15 7 2 0.15 0.04 15.81 96 1.2 1.2 1.1 0.5 25 30 41 4 100 100 0.0704 0.0352 0.0264 0.0440 0.0035 0.0003 0.0001 0.0278 0.1126 0.0014 0.0014 0.0013 0.0006 0.1730 0.2076 0.2838 0.0277 12.4340 0.4516 Polytetrafluoroethylene Copper Silver 9002-84-0 7440-50-8 7440-22-4 50 49.9 0.1 13.8637 13.8360 0.0277 0.18 0.12 0.69 12.43 0.45 27.73 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 complaint 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 2 of 2