MATERIAL DECLARATION SHEET Material # PEC16 Product Line Encoder Compliance Date 2003 RoHS Compliant Yes MSL N/A No. Construction Element (subpart) Homogeneous Material Material weight [g] Homogeneous Material/ Substances 1 Shaft PC 0.65 Polycarbonate Glass 2 Element PBT Steel 3 0.95 0.75 Frame Plating 4 Slider Copper 0.06 5 Bushing Zinc 3.51 Headquarters Riverside CA Poly(butylene terephthalate) Antimony Oxide Carbon Manganese Phosphide Iron Silicon Tin Copper Antimony Aluminum Iron Copper Tin Phosphorus Zinc Aluminum Magnesium Copper Silicon if applicable Materials Mass [%] 65997-17-3 30965-26-5 1309-64-4 7440-44-0 7439-95-4 8949-19-2 7439-89-6 7440-21-2 7440-31-5 7440-50-8 1309-64-4 1344-28-1 7439-89-6 7440-50-8 7440-31-5 7723-14-0 7440-66-6 1344-28-1 7439-95-4 7440-70-2 7440-21-3 100 30 65 5 1 6 5 88 1 99.96 0.0004 0.0136 0.00034 0.0034 91.68 8.167 0.152 89.2 4.16 0.1 0.9 0.02 CASRN www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Material Mass % of total unit wt. 10.879 4.769 10.335 0.795 0.126 0.753 0.628 11.046 0.126 0.921 0.082 0.002 52.4 2.444 0.059 0.529 0.012 Subpart mass of total wt. [%] 10.879 15.899 12.552 1.004 58.745 page 1 of 2 MATERIAL DECLARATION SHEET 6 Contact Spring Copper Copper 7 0.02 0.03 Terminals X 3 Plating 8 Lube Polysiloxane 0.005 Total weight 5.975 Copper Tin Phosphorus Copper Tin Phosphorus Tin Copper Antimony Aluminum Iron Polysiloxane 7440-50-8 7440-31-5 7723-14-0 7440-50-8 7440-31-5 7723-14-0 7440-31-5 7440-50-8 1309-64-4 1344-28-1 7439-89-6 91.68 8.167 0.152 91.68 8.167 0.152 99.96 0.0004 0.0136 0.00034 0.0034 100 0.767 0.068 0.001 0.767 0.068 0.001 0.084 0.335 0.502 0.084 This Document was updated on: November 10, 2006 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 2 of 2