MATERIAL DECLARATION SHEET Material Number Product Line Compliance Date RoHS Compliant TC 33 (RC < 1KΩ) Trimmer 8-16-2004 Yes MSL No. Construction Element (Subpart) Homogeneous Material 1 SUBSTRATE Aluminum oxide 2 ELECTRODE Silver Palladium 3 RESISTANCE ELEMENT METAL GLAZED COATING 4 TERMINAL CONNECTOR Headquarters Riverside CA Sn-3Ag-0.5Cu Homogeneous Material Material Weight (g) 0.0125760 0.0003668 0.0001179 0.0000393 0.0000035 0.0000025 0.0000152 0.0003680 0.0000003 0.0000002 0.0000103 0.0001620 0.0000900 0.000270018 0.0000156 0.0000102 0.0000462 0.000005982 Substance Aluminum oxide Silicon dioxide Magnesium oxide Calcium oxide Bismuth trioxide Copper Palladium Silver Boron oxide Barium Glass Lead oxide Palladium Silver Boron oxide Manganese oxide Ruthenium dioxide Glass CASRN 1344-28-1 14808-60-7 1309-48-4 1305-78-8 1304-76-3 7440-50-8 7440-05-3 7440-22-4 1303-86-2 7440-39-3 65997-18-4 1317-36-8 7440-05-3 7440-22-4 1303-86-2 1313-13-9 12036-10-1 65997-18-4 Material Mass % 96 2.8 0.9 0.3 0.875 0.625 3.8 92.0 0.075 0.05 2.575 27.0 15.0 45.003 2.6 1.7 7.7 0.997 Material Mass % of total unit wt. 40.7808 1.1894 0.3823 0.1275 0.0114 0.0081 0.0494 1.196 0.001 0.0006 0.0335 0.5265 0.2925 0.8776 0.0507 0.0331 0.1501 0.0195 0.0000050 Copper 7440-50-8 0.5 0.0162 0.0000300 Silver 7440-22-4 3 0.0972 0.0009650 Tin 7440-31-5 96.5 3.1266 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 1 of 2 Subpart mass of total wt. (%) 42.48 1.30 1.95 3.24 MATERIAL DECLARATION SHEET TERMINALS SPCC 5 6 7 GROUND PLATING SURFACE PLATING Nickel Matte Tin MOVING CONTACT Stainless steel INSULATION ACRYL 0.0056727 0.0000200 0.0000287 0.0000085 0.0000975 0.0002126 0.0007040 0.0063536 0.0000880 0.0015840 0.0000528 0.0000176 0.0008964 0.0000035 0.0000001 Total weight Iron Manganese Carbon Other Nickel Tin Nickel Iron Manganese Chromium Silicon Other ACRYL Other organophosphorus compounds Other organotin compounds 7439-89-6 7439-96-5 7440-44-0 7440-02-0 7440-31-5 7440-02-0 7439-89-6 7439-96-5 7440-47-3 7440-21-3 Trade secret 93.92 0.33 0.48 0.14 1.61 3.52 8.0 72.2 1.0 18.0 0.6 0.2 99.6 18.39 0.065 0.094 0.027 0.315 0.689 2.2824 20.5986 0.2853 5.1354 0.1712 0.0571 2.9083 Trade secret 0.39 0.0114 Trade secret 0.01 0.0003 0.0308400 This Document was updated on: 8-15-2011 Important remarks: 1. 2. It is the responsibility of the user to verify they are accessing the latest version. See Certificate of Compliance for exemptions used. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 2 of 2 19.58 28.53 2.92