MATERIAL DECLARATION SHEET Material Number PWR4522 Product Line Wire wound safety version Fusible Resistor Compliance Date June 1, 2010 RoHS Compliant Yes No. 1 Construction Element(subpart) Flame-retarded thermo coat MSL Homogeneous Material Silicon coating Material weight [g] 0.385 2 Mild steel Mild steel 0.07 3 Ceramic rod High Alumina 0.3434 4 Winding wire Nichrome wire 0.0054 5 Resistor terminal Copper base with tin plating 0.034 Total weight Homogeneous Material\ Substances Amorphous silica Titanium dioxide Flame retarded polyurethane Iron Carbon Phosphorus Sulfur Manganese Aluminum oxide Iron oxide Titanium oxide Sodium oxide Potassium oxide Nickel Chromium III Silicon Copper Tin if applicable Materials Mass % 7631-86-9 13463-67-7 81.4 4.8 Material Mass % of total unit wt. 37.4 2.21 13.8 6.34 98.98 0.18 0.04 0.05 0.75 99.4 0.05 0.14 0.37 0.04 79 20 1 97 3 8.27 0.02 0.003 0.004 0.063 40.74 0.02 0.06 0.15 0.02 0.5 0.13 0.01 3.94 0.12 CASRN 7439-89-6 7440-44-0 7723-14-0 7704-34-9 7439-96-5 1344-28-1 1309-37-1 13463-67-7 1313-59-3 12136-45-7 7440-02-0 7440-47-3 7440-21-3 7440-50-8 7440-31-5 Subpart mass of total wt. (%) 45.95 8.36 40.99 0.64 4.06 0.84 This Document was updated on: June 1, 2010 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 1 of 1