MATERIAL DECLARATION SHEET Product Part Number ST-XXXX-XCX-STD Product Line Sparctube™ Products MSL 1 RoHS Compliant Yes Copper 7440-50-8 99.2 Tin 7440-31-5 0.8 0.55 Aluminum oxide 1344-28-1 95 28.93 Silicon dioxide 7631-86-9 5 1.52 Silver 7440-22-4 72 0.12 Copper 7440-50-8 28 0.05 0.0007 Argon 7440-37-1 100 0.05 0.054 N/A 0.0001 Ink (Proprietary mixture) N/A 100 0.008 0.008 Pending Homogeneous Material Material weight [g] 1 Lateral Electrodes Tin plated Copper 0.892 2 Ceramic Ceramic 0.3918 4 Brazing material Cusil™ 0.0022 5 Filler material Gas 6 Marking Blue Ink TOTAL 11-2012 Material Mass % of total unit wt. 68.76 Construction Element (subpart) No. Compliance Date 1.2868 Homogeneous Material\ CASRN Substances if applicable Materials Mass % Subpart mass of total wt. (%) Third Party Lab Analysis 69.319 Pending 30.448 Pending 0.171 Pending This Document was updated on: Nov, 2012 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. 2. Lead weight may change depending on lead wire configurations. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 1 of 1