MATERIAL DECLARATION SHEET Material Number PEL12S (DC12S24204K024) Product Line ENCODER Compliance Date 2010/12/27 RoHS Compliant YES MSL N/A if applicable Materials Mass % Material Mass % of total unit wt. Subpart mass of total wt. (%) Polycarbonate 25037-45-0 100 20.65 20.65 Polyoxymethylene 30846-29-8 100 7.46 7.46 Tin 7440-31-5 8 0.08 Phosphorus 7723-14-0 0.2 0.002 Copper 7440-50-8 91.8 0.918 Ag 07440-22-4 100 Tin 7440-31-5 8 0.381 Phosphorus 7723-14-0 0.2 0.009 Copper 7440-50-8 91.8 4.378 Polybutylene Terephthalate 26062-94-2 70 7.8 Glass Fiber 65997-17-3 28 3.1 Additives Trade secret 2 0.2 No. Construction Element(subpart) Homogeneous Material Material weight [g] Homogeneous Material\ Substances 1 Shaft PC 0.537 2 Contact Holder POM 0.194 3 Slide Contact t0.12 Phosphor Bronze 0.026 Ag Plating (0.5~1um) 44 5 Leaf Spring Insulation Case Headquarters Riverside CA t0.2 Phosphor Bronze PBT 0.124 0.290 CASRN www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society 1.00 4.77 11.15 page 1 of 3 MATERIAL DECLARATION Copper 7440-50-8 54.786 2.107 Nickel 7440-02-0 17.570 0.676 Zinc 7440-66-6 27.260 1.048 Lead 7439-92-1 0.001 0.00004 Tin 7440-31-5 0.002 0.00008 Iron 7439-89-6 0.028 0.00108 Manganese 7439-96-5 0.350 0.01346 Silicon 14464-46-1 0.002 0.00008 Silver 7440-22-4 100 Polybutylene Terephthalate 26062-94-2 70 1.2 Glass Fiber 65997-17-3 28 0.5 Additives Trade secret 2 0.0 Glass fiber 65997-17-3 35 0.2 Epoxy Resin 9003-36-5 20 0.1 Titanium dioxide 13463-67-7 10 0.0 Copper 7440-50-8 20 0.1 Nickel 7440-02-0 10 0.0 Silver 7440-22-4 5 0.0 Silver paste Silver 7440-22-4 100 0.5 25068-38-6 50 0.2 Epoxy Resin Bisphenol A diglycidyl ether epoxy TetrahHydrophthalic acid anhydride 85-43-8 50 0.2 t0.15 Nickel Silver 6 Terminal 0.100 Ag Plating (0.5~1um) 7 Spacer PBT 0.045 PCB 8 Light Emission Diode Headquarters Riverside CA 0.012 Dice Gallium phosphide 12063-98-8 100 0.5 Gold wire Gold 7440-57-5 100 0.5 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society 3.85 1.73 0.46 page 2 of 3 MATERIAL DECLARATION 9 LED Insulation Case PBT 0.247 t0.25 Brass 10 LED Terminal 0.13 Ag Plating (0.5~1um) t0.4 Steel 11 Attaching Plate 0.895 Sn Plating ( 5~8um) Total weight (g) Polybutylene Terephthalate 26062-94-2 70 6.7 Glass Fiber 65997-17-3 28 2.7 Additives Trade secret 2 0.2 Copper 7440-50-8 65.685 3.2842 Iron 7439-89-6 0.035 0.0018 Lead 7439-92-1 0.002 0.0001 Zinc 7440-66-6 34.278 1.7139 Silver 7440-22-4 100 Carbon 7440-44-0 0.050 0.0 Manganese 7439-96-5 0.240 0.1 Phosphorus 7723-14-0 0.016 0.0 Sulfur 7704-34-9 0.012 0.0 Silicon 14464-46-1 0.010 0.0 Aluminum 7429-90-5 0.045 0.0 Iron 7439-89-6 99.627 34.3 Tin 7440-31-5 100 34.4 9.50 5.00 34.42 2.6 This Document was updated on: December 27, 2010 Important remarks: 1. 2. It is the responsibility of the user to verify they are accessing the latest version. RoHS exemption – 6c: Copper alloy containing up to 4% lead by weight. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 3 of 3