MATERIAL DECLARATION SHEET Material # PDB181-K Product Line Potentiometer Compliance Date Since Inception RoHS Compliant Yes No. 1 2 3 5 Construction Element (subpart) Shaft Bushing Element Slider MSL Homogeneous Material ZINC ALLOY ZINC ALLOY Bakelite Copper (Without plating) N/A Material weight [g] 2.53 1.78 0.359 0.065 If applicable Materials Mass % Material Mass % of total unit wt. Zinc 7440-66-6 89.2 33.743 Aluminum 7429-90-5 4.16 1.574 Magnesium 7439-95-4 0.1 0.038 Copper 7440-50-8 0.9 0.340 Silicon 7440-21-3 0.02 0.007 Zinc 7440-66-6 89.2 23.741 Aluminum 7429-90-5 4.16 1.107 Magnesium 7439-95-4 0.1 0.027 Copper 7440-50-8 0.9 0.239 Silicon 7440-21-3 0.02 0.005 Silica fused 60676-86-0 68 3.650 Epoxy cresol novolac 39690-82-2 20 1.074 Phenol novolac 9003-35-4 7 0.376 Antimony trioxide 1309-64-4 3 0.161 Brominated epoxy black 40039-93-8 2 0.107 Copper 7440-50-8 91.68 0.891 Tin 7440-31-5 8.167 0.079 Phosphorus 7723-14-0 0.153 0.002 Homogeneous Materials/ Substances CASRN Subpart mass of total wt. [%] 37.829 26.615 5.368 0.972 MATERIAL DECLARATION SHEET 6 Rotor Seat POM SPCC-SD 7 Terminals 0.322 Case SPCC-SD 30846-29-8 100 4.814 Carbon 7440-44-0 0.5 0.022 Manganese 7439-96-5 6 0.269 Phosphorus 7723-14-0 5 0.225 Iron 7439-89-6 88 3.947 Silicon 7440-21-3 0.5 0.022 Cu(Inner layer,thickness:1-3um) Sn(Outer layer,thickness:2-3um) 7440-50-8 100 N/A Carbon 7440-44-0 0.5 0.099 Manganese 7439-96-5 6 1.186 Phosphorus 7723-14-0 5 0.988 Iron 7439-89-6 88 17.395 Silicon 7440-21-3 0.5 0.099 Tin 7440-31-5 100 N/A Polysiloxane 63148-62-9 100 0.15 0.3 (0.1×3) Plating 8 Polyoxymethylene 1.322 Plating 9 Lube Polysiloxane Total weight 0.01 7440-31-5 4.814 4.485 19.767 0.15 6.688 This Document was updated on: August 24, 2012 The weight was measured by model PDB181-K420K-103A. 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