MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant No. 1 2 3 4 Construction Element (subpart) Contact Spring Housing Rotor Potting Headquarters Riverside CA 3269 LF (10Ω to 250Ω) Trimmer 3-1-2005 Yes DC 509 MSL Homogeneous Material Ni/Ag Nylon Nylon Epoxy Material weight [g] 0.007 0.159 0.025 0.04 2 Homogeneous Material CASRN Substances if applicable Materials Mass % Material Mass % of total unit wt. Copper 7440-50-8 65 1.1868 Nickel 7440-02-0 18 0.3286 Zinc 7440-66-6 17 0.3104 Polyphthalamide resin 27135-32-6 50 20.7355 Glass fibers Phosphorus-based flame retardant (not red P) 65997-17-3 30 12.4413 trade secret 17.5 7.2574 Pigment trade secret 2.5 1.0368 Polyphthalamide 27135-32-6 66 4.3036 Glass fiber 65997-17-3 33 2.1518 Titanium dioxide 13463-67-7 1 0.0652 Epoxy resin 25068-38-6 64 6.6771 Antimony trioxide 1309-64-4 11 1.1476 Aluminum oxide 1344-28-1 10 1.0433 Kaolin clay Magnesium alumino silicate 1332-58-7 6 0.6260 1302-88-1 9 0.9390 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 1.83 41.47 6.52 10.43 page 1 of 2 MATERIAL DECLARATION SHEET 5 Shaft Copper Zinc 7440-50-8 7440-66-6 61.5 35.4 7.6995 4.4319 Lead 7439-92-1 3.1 0.3881 Nickel (plating) 7440-02-0 100 0.2608 Aluminum oxide 1344-28-1 96 15.0235 Silicon dioxide 7631-86-9 2 0.3130 Magnesium oxide 1309-48-4 1 0.1565 Calcium oxide 1305-78-8 1 0.1565 Silver 7440-22-4 94 0.0489 Palladium 7440-05-3 3 0.0015 Copper oxide 1317-39-1 1.2 0.0006 Bismuth trioxide 1304-76-3 2 0.0011 Silver 7440-22-4 25 0.1304 Palladium 7440-05-3 30 0.1565 Barium borate glass 13701-59-2 41 0.2139 Manganese dioxide 1313-13-9 4 0.0209 0.04 Copper 7440-50-8 100 10.4330 0.0012 Tin 7440-31-5 100 0.3130 0.048 Brass 0.001 6 7 8 9 Substrate Ceramic Termination Ink Resistive Ink Terminals Ink 0.0002 Ink 0.002 Copper Plating 0.06 2 Total Weight 12.78 15.65 0.05 0.52 10.75 0.3834 This Document was updated on: 11-28-2012 Important remarks: 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. Item 9 plating for non-compliant model is 90/10 SnPb. 3. RoHS exemption: 6c – copper alloy containing up to 4% lead by weight... 1. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2