TC33 BOURNS | Alldatasheet
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Headquarters Riverside CA www.bourns.com page 1 of 2 CASRN: CAS Registry Number ® is a Registered Trademark of the American Chemical Society MATERIAL DECLARATION SHEET No. Construction Element (Subpart) Homogeneous Material Material Weight (g) Homogeneous Material CASRN Material Mass % Material Mass % of total unit wt. Subpart mass of total wt. (%) Substance
1 SUBSTRATE Aluminum oxide
0.0125760 Aluminum oxide 1344-28-1 96 40.7808 42.48 0.0003668 Silicon dioxide 14808-60-7 2.8 1.1894 0.0001179 Magnesium oxide 1309-48-4 0.9 0.3823 0.0000393 Calcium oxide 1305-78-8 0.3 0.1275
2 ELECTRODE Silver Palladium
0.0000035 Bismuth trioxide 1304-76-3 0.875 0.0114 1.30 0.0000025 Copper 7440-50-8 0.625 0.0081 0.0000152 Palladium 7440-05-3 3.8 0.0494 0.0003680 Silver 7440-22-4 92.0 1.196 0.0000003 Boron oxide 1303-86-2 0.075 0.001 0.0000002 Barium 7440-39-3 0.05 0.0006 0.0000103 Glass 65997-18-4 2.575 0.0335
3 RESISTANCE
0.0001620 Lead oxide 1317-36-8 27.0 0.5265 1.95 0.0000900 Palladium 7440-05-3 15.0 0.2925 0.000270018 Silver 7440-22-4 45.003 0.8776 0.0000156 Boron oxide 1303-86-2 2.6 0.0507 0.0000102 Manganese oxide 1313-13-9 1.7 0.0331 0.0000462 Ruthenium dioxide 12036-10-1 7.7 0.1501 0.000005982 Glass 65997-18-4 0.997 0.0195
4 TERMINAL
CONNECTOR Sn-3Ag-0.5Cu 0.0000050 Copper 7440-50-8 0.5 0.0162 3.24 0.0000300 Silver 7440-22-4 3 0.0972 0.0009650 Tin 7440-31-5 96.5 3.1266 Material Number TC 33 (RC < 1KΩ) Product Line Trimmer Compliance Date 8-16-2004 RoHS Compliant Yes MSL
Headquarters Riverside CA www.bourns.com page 2 of 2 CASRN: CAS Registry Number ® is a Registered Trademark of the American Chemical Society MATERIAL DECLARATION SHEET TERMINALS SPCC 0.0056727 Iron 7439-89-6 93.92 18.39 19.58 0.0000200 Manganese 7439-96-5 0.33 0.065 0.0000287 Carbon 7440-44-0 0.48 0.094 0.0000085 Other - 0.14 0.027 GROUND PLATING Nickel 0.0000975 Nickel 7440-02-0 1.61 0.315 SURFACE PLATING Matte Tin 0.0002126 Tin 7440-31-5 3.52 0.689
6 MOVING CONTACT Stainless steel
0.0007040 Nickel 7440-02-0 8.0 2.2824 28.53 0.0063536 Iron 7439-89-6 72.2 20.5986 0.0000880 Manganese 7439-96-5 1.0 0.2853 0.0015840 Chromium 7440-47-3 18.0 5.1354 0.0000528 Silicon 7440-21-3 0.6 0.1712 0.0000176 Other - 0.2 0.0571
7 INSULATION ACRYL
0.0008964 ACRYL Trade secret 99.6 2.9083 2.92 0.0000035 Other organophosphorus compounds Trade secret 0.39 0.0114
0.0000001 Other organotin
compounds Trade secret 0.01 0.0003 Total weight 0.0308400 This Document was updated on: 8-15-2011 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. 2. See Certificate of Compliance for exemptions used .