MATERIAL DECLARATION SHEET Material Number CHF190104KBF500L Product Line RF Power Resistors Compliance Date September 2009 RoHS Compliant Yes No. 1 MSL NA Construction Element(subpart) Homogeneous Material Material weight [g] Carrier Flange 63.05 2 Substrate Ceramic applicable Materials Mass % copper 7440-50-8 99.2 Material Mass % of total unit wt. 90.32 nickel 7440-02-0 0.8 0.73 beryllium oxide 1304-56-9 97.5 5.35 platinum/silver 7440-06-4 7440-22-4 1.5 0.08 ruthenium dioxide 12036-10-1 0.5 0.03 zinc oxide 1314-13-2 0.3 0.02 tin 7440-31-5 96 1.00 silver 7440-22-4 4 0.04 Homogeneous Material\ Substances 3.8 CASRN if Subpart mass of total wt. (%) 91.05 5.49 1.04 3 Solder Solder 0.72 4 Cover Ceramic 1.62 aluminum oxide 1344-28-1 100 2.34 2.34 5 Tab Tab 0.06 silver 7440-22-4 100 0.09 0.09 Total weight 69.24 This Document was updated on: September 22, 2009 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