MATERIAL DECLARATION SHEET Material Number PWR263020XXX Product Line Power Resistor Compliance Date RoHS Compliant No. 1 2 3 4 5 yes Construction Element (subpart) Housing Back Plate Terminal Solder Substrate Headquarters Riverside CA MSL Homogeneous Material Epoxy Molding Compound N/A Material weight [g] 0.5 if applicable Materials Mass % Material Mass % of total unit wt. Silica 14808-60-7 53 19.047 Homogeneous Material/ Substances Epoxy Resin 29690-82-2 25 8.984 Phenolic Resin 9003-35-4 15 5.391 Antimony trioxide 1309-64-4 3 1.078 Brominated epoxy resin 40039-93-8 3 1.078 Carbon Black 1333-86-4 1 0.651 Copper 7440-50-8 99.9 48.108 0.1 0.048 Copper 0.67 Plating 0.003 Copper 0.11 Plating 0.007 Tin Metal 0.02 Alumina 0.078 CASRN Other Nickel 7440-02-0 100 0.216 Copper 7440-50-8 99.95 7.902 0.05 0.004 7440-31-5 100 0.503 Tin 7440-31-5 96.5 1.387 Silver 7440-22-4 3 0.043 Copper 7440-50-8 0.5 0.007 Aluminum Oxide 1344-28-1 88 4.934 Manganese dioxide 1313-13-9 3.5 0.196 Titanium-dioxide 13463-67-7 3.5 0.196 Chromium(III)oxide 1308-38-9 2.5 0.140 Quartz (Silicon dioxide) 14808-60-7 2.5 0.140 Other www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 35.94 48.16 0.22 7.91 0.50 1.438 5.61 page 1 of 2 MATERIAL DECLARATION SHEET 6 Term Ink Ink 0.002 Silver 7440-22-4 96 0.138 Lead-Oxide 1309-60-0 1 0.001 Dibismuth-trioxide 1304-76-3 1 0.001 Platinum 7440-06-4 1 0.001 1 0.001 Palladium 7440-05-3 25 0.014 Boraluminosilicate glass Trimethylpentanediol monoisobutyrate Silver 65997-17-3 30 0.017 25265-77-4 25 0.014 7440-22-4 15 0.009 Ruthenium dioxide 12036-10-1 1 0.001 Manganese dioxide 1313-13-9 1 0.001 Confidential Substances 7 8 Resistor Paste Encapsulant Ink Ink 0.0008 0.0005 Alumina 1344-28-1 3 0.002 Lead-monoxide 1317-36-8 56.63 0.020 Silicon dioxide 7631-86-9 27.89 0.010 Diboron-trioxide 1303-86-2 9.15 0.003 Chromium(III)oxide 1308-38-9 3.15 0.001 3.15 0.001 Confidential Substances Total weight 0.14 0.06 0.04 1.391 This Document was updated on: January 5, 2009 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. 2. RoHS exemptions: 5 – lead in glass of cathode ray tubes, electronic components & fluorescent tubes. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2