MATERIAL DECLARATION SHEET Material Number CHF9838CNF500L Product Line RF Power Resistors Compliance Date RoHS Compliant No. June 01 2005 Yes Construction Element(subpart) MSL Homogeneous Material Level 1 Material weight [g] 1 Flange Copper alloy 5.19 2 Solder Solder 0.12 7440-50-8 7440-02-0 7440-31-5 7440-22-4 24304-00-5 99.2 0.8 96 4 93.5 2.4 Material Mass % of total unit wt. 90.2 0.7 2 0.08 5.08 0.13 Ruthenium dioxide 12036-10-1 0.8 0.04 1314-13-2 25068-38-2 7440-02-0 7440-31-5 7440-22-4 0.5 0.5 1.2 1.1 100 0.3 0.3 0.06 0.05 1.1 1.1 25068-38-6 100 0.5 0.5 Homogeneous Material\ Substances Copper Nickel Tin Silver Aluminum Nitride CASRN if applicable Silver Platinum 3 Chip Ceramic 0.31 4 Tab Silver 0.06 Zinc oxide Epoxy Nickel Tin Silver 5 Tab Protection Epoxy 0.03 Epoxy Total weight 5.71 Materials Mass % Subpart mass of total wt. (%) 90.9 2.1 5.4 This Document was updated on: September 28, 2007 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 1 of 1