MATERIAL DECLARATION SHEET Material Number 3681S - L Product Line Precision Potentiometer Compliance Date May 3, 2006 RoHS Compliant Yes No. 1 2 3 4 Construction Element (subpart) Substrate Termination Ink Resistive Ink X2 Cover Snap-In X2 Headquarters Riverside CA MSL Homogeneous Material Alumina Ink Ink Polyphenylene ether N/A Material weight [g] 2.52 0.003 0.0030 2.75 Homogeneous Material/ Substances if applicable Materials Mass % Aluminum Oxide 1344-28-1 95 CASRN Material Mass % of total unit wt. 26.732 Silicon Oxide 7631-86-9 2 0.563 Magnesium Oxide 1309-48-4 2 0.563 Calcium Oxide 1305-78-8 1 0.281 Silver 7440-22-4 87 0.029 Palladium 7440-05-3 5.5 0.002 Lead Borosilicate 65997-17-3 6.5 0.002 Lead Monoxide 1317-36-8 0.5 0.0002 Platinum 7440-06-4 0.5 0.0002 Ruthenium Dioxide Calcium Silicate borate glass Silver 12036-10-1 35 0.012 10101-39-0 46 0.015 7440-22-4 7 0.002 Titanium dioxide 13463-67-7 5 0.002 Manganese dioxide 1313-13-9 6 0.002 Copper Oxide 1317-39-1 1 0.0003 Polyphenylene ether 25134-01-4 99 15.200 Carbon Black 1333-86-4 1 0.154 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 28.139 0.033 0.033 15.354 page 1 of 3 MATERIAL DECLARATION SHEET 5 Button X2 Acetal Resin 0.6 Polyoxymethylene Homopolymer Stabilizer 7440-44-0 Pigment 6 Housing Push Button Polyphenylene ether 1.75 7 Spacer PBT 0.005 8 Torsion Spring Metal Plating 9 10 Detent Spring Wheel Counter Beryllium Copper PBT Brass 11 0.1998 0.002 0.033 0.9 Headquarters Riverside CA 6.298 2 0.134 2 0.134 Carbon Black 1333-86-4 2 0.134 Polyphenylene ether 25134-01-4 99 30.401 Carbon Black 1333-86-4 1 0.307 Glass 65997-17-3 30 0.167 Poly(butylene terephthalate) 30965-26-5 65 0.363 Antimony Oxide 1309-64-4 5 0.028 Iron 7439-89-6 94 2.097 Carbon 7440-44-0 1 0.022 Manganese 7439-96-5 1 0.022 Silicon 7440-21-3 1.2 0.027 Chromium 7440-47-3 1.8 0.040 Copper 7440-50-8 1 0.022 Zinc 7440-66-6 100 0.0223 Copper 7440-50-8 98.1 0.361 Silicon 7440-21-3 0.2 0.001 Beryllium 7440-41-7 1.5 0.006 Aluminum 7429-90-5 0.2 0.001 Glass 65997-17-3 30 3.015 Poly(butylene terephthalate) 30965-26-5 65 6.532 Antimony Oxide 1309-64-4 5 0.502 Copper 7440-50-8 70 3.752 Zinc 7440-66-6 30 1.608 Tin 7440-31-5 100 0.056 0.48 Terminal Plated X3 Plating 94 0.005 6.700 30.708 0.558 2.231 0.022 0.368 10.050 5.360 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society 0.056 page 2 of 3 MATERIAL DECLARATION SHEET Spacer Strip 12 Contact Spring Strip Laminated Wire 13 Lube Element Grease Total weight 0.00756 0.003 0.01584 0.0082 Nickel 7440-02-0 18 0.015 Copper 7440-50-8 55 0.0464 Zinc 7440-66-6 27 0.023 Copper 7440-50-8 70 0.023 Zinc 7440-66-6 30 0.010 Nickel 7440-02-0 18 0.0318 Copper 7440-50-8 65 0.1150 Zinc Siloxanes and Silicones, di-Me, di-Ph Lithium Stearate Silane, dichlorodimethylreaction products with silica Diphenylamine 7440-66-6 17 0.030 68083-14-7 68.9 0.063 4485-12-5 25.3 0.023 68611-44-9 4.7 0.004 122-39-4 0.89 0.001 0.084 0.033 0.177 0.092 8.955 This Document was updated on: Jun 11, 2007 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. 2. RoHS exemptions used: lead in glass (exemption 5) & lead in copper alloys (exemption 6) Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 3 of 3