MATERIAL DECLARATION Material # PDB182-***P Product Line Potentiometer Compliance Date Since Inception RoHS Compliant Yes No. 1 2 3 5 Construction Element (subpart) Shaft Bushing Element Slider Headquarters Riverside CA MSL Homogeneous Material Aluminum ZINC ALLOY Bakelite Copper (Without plating) N/A Material weight [g] 2.18 1.78 0.359×2 0.06×2 If applicable Materials Mass % Material Mass % of total unit wt. Aluminum 7429-90-5 96 28.2508 Magnesium 7439-95-4 1.33 0.3924 Calcium 7440-70-2 1.33 0.3924 Silicon 7440-21-3 1.33 0.3924 Zinc 7440-66-6 94.82 22.7833 Aluminum 7429-90-5 4.16 0.9996 Magnesium 7439-95-4 0.1 0.0240 Copper 7440-50-8 0.9 0.2163 Silicon 7440-21-3 0.02 0.0048 Silica fused 60676-86-0 68 6.5906 Epoxy cresol novolac 39690-82-2 20 1.9384 Phenol novolac 9003-35-4 7 0.6784 Antimony trioxide 1309-64-4 3 0.2908 Brominated epoxy black 40039-93-8 2 0.1938 Copper 7440-50-8 91.68 1.4852 Tin 7440-31-5 8.167 0.1323 Phosphorus 7723-14-0 0.153 0.0025 Homogeneous Materials/ Substances CASRN www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. [%] 29.428 24.028 9.692 1.620 page 1 of 2 MATERIAL DECLARATION 6 Rotor Seat POM SPCC-SD 7 Terminals 0.6 (0.3×2) 0.78 (0.13×6) Plating 8 Case SPCC-SD 1.22 Plating 9 Lube Polysiloxane Total weight 0.01 Polyoxymethylene 30846-29-8 100 8.099 Carbon 7440-44-0 0.5 0.0526 Manganese 7439-96-5 6 0.6318 Phosphorus 7723-14-0 5 0.5265 Iron 7439-89-6 88 9.2655 Silicon 7440-21-3 0.5 0.0526 Cu(Inner layer,thickness:1-3um) Sn(Outer layer,thickness:2-3um) 7440-50-8 100 N/A Carbon 7440-44-0 0.5 0.0823 Manganese 7439-96-5 6 0.9882 Phosphorus 7723-14-0 5 0.8235 Iron 7439-89-6 88 14.4927 Silicon 7440-21-3 0.5 0.0823 Tin 7440-31-5 100 N/A Polysiloxane 63148-62-9 100 0.135 7440-31-5 8.099 10.529 16.469 0.135 7.408 This Document was updated on: Aug 24, 2012 The weight was measured by model PDB181-K430P-103B. Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2