MATERIAL DECLARATION SHEET Material # PTA Product Line Panel Controls Compliance Date Since Inception RoHS Compliant Yes MSL N/A No. Construction Element (subpart) Homogeneous Material Material weight [g] Homogeneous Material/ Substances If applicable Materials Mass % 1 Case Tin Alloy 4.418 Tin 7440-31-5 100 Material Mass % of total unit wt. 70.463 Copper 7440-50-8 91.68 0.334 Tin 7440-31-5 8.17 0.03 Phosphorus 7723-14-0 0.15 0.001 Iron 7439-89-6 67.85 0.812 Nickel 7440-02-0 10 0.119 Chromium 7740-47-3 19 0.227 Silicon 7740-21-3 1 0.012 Manganese 7439-96-5 2 0.024 Carbon 7440-44-0 0.15 0.002 7440-31-5 100 N/A 100 10.734 2 3 4 5 Contact Spring Pin Contact Spring Carrier Resistance Element Headquarters Riverside CA Copper Alloy Steel Alloy 0.023 0.075 Plating N/A Tin POM 0.673 Polyformaldehyde Bakelite 1.037 CASRN Silica Fused 60676-86-0 75 12.404 Epoxy, Cresol Novolac 39690-82-2 15 2.481 Phenol Novolac 9003-35-4 6 0.992 Antimony Trioxide 1309-64-4 3 0.496 Brominated Epoxy Black 40039-93-8 1 0.165 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. [%] 70.463 0.367 1.196 10.734 16.539 page 1 of 2 MATERIAL DECLARATION SHEET 6 Slide Lever Copper Alloy 0.044 Plating N/A Total weight 6.27 Copper 7440-50-8 91.68 0.643 Tin 7440-31-5 8.17 0.057 Phosphorus 7723-14-0 0.15 0.001 Zinc 7440-66-6 100 N/A 0.702 This Document was updated on: March 22, 2006 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