MATERIAL DECLARATION Material # PDB181-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] 0.98 1.78 0.359 0.065 If applicable Materials Mass % Material Mass % of total unit wt. Aluminum 7429-90-5 96 17.493 Magnesium 7439-95-4 1.33 0.2424 Calcium 7440-70-2 1.33 0.2424 Silicon 7440-21-3 1.33 0.2424 Zinc 7440-66-6 94.82 31.384 Aluminum 7429-90-5 4.16 1.377 Magnesium 7439-95-4 0.1 0.033 Copper 7440-50-8 0.9 0.298 Silicon 7440-21-3 0.02 0.007 Silica fused 60676-86-0 68 4.539 Epoxy cresol novolac 39690-82-2 20 1.335 Phenol novolac 9003-35-4 7 0.467 Antimony trioxide 1309-64-4 3 0.2 Brominated epoxy black 40039-93-8 2 0.134 Copper 7440-50-8 91.68 1.108 Tin 7440-31-5 8.167 0.099 Phosphorus 7723-14-0 0.153 0.002 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. [%] 18.222 33.098 6.675 1.209 page 1 of 2 MATERIAL DECLARATION 6 Rotor Seat POM SPCC-SD 7 Terminals 0.322 0.54 (0.18×3) Plating 8 Case SPCC-SD 1.322 Polyoxymethylene 30846-29-8 100 5.987 Carbon 7440-44-0 0.5 0.050 Manganese 7439-96-5 6 0.602 Phosphorus 7723-14-0 5 0.502 Iron 7439-89-6 88 8.836 Silicon 7440-21-3 0.5 0.051 Cu(Inner layer,thickness:1-3um) Sn(Outer layer,thickness:2-3um) 7440-50-8 100 N/A Carbon 7440-44-0 0.5 0.123 Manganese 7439-96-5 6 1.475 Phosphorus 7723-14-0 5 1.229 Iron 7439-89-6 88 21.632 Silicon 7440-21-3 0.5 0.123 Tin 7440-31-5 100 N/A Polysiloxane 63148-62-9 100 0.186 Plating 9 Lube Polysiloxane Total weight 0.01 7440-31-5 5.987 10.041 24.582 0.186 5.378 This Document was updated on: Aug 24, 2012 The weight was measured by model PDB181-P415P-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