MATERIAL DECLARATION SHEET Material Number PWR163S-25-RC Product Line Power Resistor Compliance Date Since inception RoHS Compliant yes No. 1 2 3 4 5 Construction Element (subpart) Housing Back Plate Terminal Solder Substrate Headquarters Riverside CA MSL Homogeneous Material Epoxy Molding Compound N/A Material weight [g] 0.15 Copper 0.32 Plating 0.002 Copper 0.11 Plating 0.007 Metal Alumina 0.02 0.078 if applicable Materials Mass % Material Mass % of total unit wt. Silica 14808-60-7 53 11.5169 Epoxy Resin 29690-82-2 25 5.4325 Homogeneous Material/ Substances CASRN Phenolic Resin 9003-35-4 15 3.2595 Antimony trioxide 1309-64-4 3 0.6519 Brominated epoxy resin 40039-93-8 3 0.6519 Carbon Black 1333-86-4 1 0.2173 Copper 7440-50-8 99.9 46.3136 0.1 0.0464 Other, not to declare Nickel 7440-02-0 100 0.29 Copper 7440-50-8 99.99 15.928 Oxygen 7782-44-7 0.01 0.002 Tin 7440-31-5 100 1.01 Tin 7440-31-5 96.5 2.7985 Silver 7440-22-4 3 0.087 Copper 7440-50-8 0.5 0.0145 Aluminum Oxide 1344-28-1 88 9.944 Manganese dioxide 1313-13-9 3.5 0.3955 Titanium-dioxide 13463-67-7 3.5 0.3955 Chromium(III)oxide 1308-38-9 2.5 0.2825 Quartz (Silicon dioxide) 14808-60-7 2.5 0.2825 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 21.73 46.36 0.29 15.93 1.01 2.90 11.30 page 1 of 2 MATERIAL DECLARATION SHEET 6 7 8 Term Ink Resistor Paste Encapsulant Ink Ink 0.002 0.0008 Ink 0.0005 Total weight 0.6903 Silver 7440-22-4 96.8 0.2807 Lead 7439-92-1 0.5 0.0015 Dibismuth-trioxide 1304-76-3 1.6 0.0046 Platinum 7440-06-4 1.1 0.0032 Palladium Glass without declarable substances Silver 7440-05-3 33.4 0.040 65997-17-3 45.3 0.0544 7440-22-4 20 0.024 Ruthenium dioxide 12036-10-1 1.3 0.0016 Lead 7439-92-1 55.4 0.0388 Glass without declarable substances 65997-17-3 44.6 0.0312 0.29 0.12 0.07 This Document was updated on: July 14, 2015 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. 2. RoHS exemptions 7c-I. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2