MATERIAL DECLARATION Material Number PWR221T-30-XXX Product Line Power Resistor Compliance Date RoHS Compliant No. 1 2 3 4 yes Construction Element (subpart) Housing Terminal Substrate Term Ink MSL Homogeneous Material Epoxy Molding Compound N/A Material weight [g] 0.6443 Copper 0.2510 Plating 0.016 Alumina Ink 0.3089 0.0011 if applicable Materials Mass % Material Mass % of total unit wt. Silica 14808-60-7 53 27.88 Homogeneous Material/ Substances Epoxy Resin 29690-82-2 25 13.15 Phenolic Resin 9003-35-4 15 7.89 Antimony trioxide 1309-64-4 3 1.58 Brominated epoxy resin 40039-93-8 3 1.58 Carbon Black 1333-86-4 1 0.58 Copper 7440-50-8 99.95 20.48 0.05 0.01 100 1.30 Other Tin 7440-31-5 Aluminum Oxide 1344-28-1 88 22.19 Manganese dioxide 1313-13-9 3.5 0.88 Titanium-dioxide 13463-67-7 3.5 0.88 Chromium(III)oxide 1308-38-9 2.5 0.63 Quartz (Silicon dioxide) 14808-60-7 2.5 0.63 Silver 7440-22-4 96 0.09 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 Confidential Substances Headquarters Riverside CA CASRN www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 52.6 20.49 1.30 25.21 0.09 page 1 of 2 MATERIAL DECLARATION 5 8 Resistor Paste Encapsulant Ink Ink 0.0023 0.0005 Palladium 7440-05-3 25 0.05 Boraluminosilicate glass Trimethylpentanediol monoisobutyrate Silver 65997-17-3 30 0.06 25265-77-4 25 0.05 7440-22-4 15 0.03 Ruthenium dioxide 12036-10-1 1 0.002 Manganese dioxide 1313-13-9 1 0.002 Alumina 1344-28-1 3 0.006 Lead-monoxide 1317-36-8 56.63 0.07 Silicon dioxide 7631-86-9 27.89 0.03 Diboron-trioxide 1303-86-2 9.15 0.01 Chromium(III)oxide 1308-38-9 3.15 0.004 3.15 0.004 Confidential Substances Total weight 0.18 0.12 1.225 This Document was updated on: June 22, 2010 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. 2. RoHS exemptions: 5c – lead in glass of electronic components. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2