MATERIAL DECLARATION SHEET Material Number CHF2525CNT500LW Product Line RF Power Resistors Compliance Date RoHS Compliant No. 1 2 3 4 June 01 2005 Yes Construction Element(subpart) Substrate Terminal Resistor Overcoat MSL Homogeneous Material Ceramic Conductor Film Level 1 Material weight [g] 0.09175 0.00488 0.00086 Epoxy 0.00033 Total weight 0.09782 Homogeneous Material\ Substances CASRN if applicable Materials Mass % Material Mass % of total unit wt. 93.79 Aluminum Nitride 24304-00-5 100 Silver platinum 7440-22-4 52 Nickel Tin 7440-02-0 7440-31-5 27 21 1.34 1.04 Ruthenium dioxide 12036-10-1 58 0.51 Zinc oxide 1314-13-2 42 0.37 Epoxy 25068-38-6 100 0.33 Subpart mass of total wt. (%) 93.79 2.59 4.99 0.88 0.33 This Document was updated on: September 28, 2007 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