CN-0027 Change Notice S, LW, SW & SB Series Terminal Plating from Silver to Tin for Selected S Toggles, LW & SW Rockers & SB Pushbuttons Type of Change: Engineering Product Part Number Appearance Example of S6AW * Provides greater resistance to environmental conditions * Inhibits tarnishing, extending storage properties Terminals Terminal Surface Finish FROM TO Anti-Tarnishing Silver (Ag) Plating Tin (Sn) Plating over Copper (Cu) Plating Part Numbers Affected by Change in Terminal Plating Material S21A S21AL S21AW S25AW S28AW S29AW S31 S32 S33 S331 S331R S332 S332R S333 S333R S335 S338 S338R S339 S339R S35 S38 S39 S41 S41R S42 S42R S421 S422 S423 S425 S428 S429 S43 S43R S45 S48 S48R S49 S6A S6AL S6AW S7A S7AL S7AW Rockers LW3021A SW3006A SW3007A SW3008A Pushbuttons SB61A SB61B SB63A Toggles S49R Notes: * Terminal plating change includes part numbers above and related part numbers with suffixes /C, /U, /UC and -RO. These suffixes designate applicable standards and certifications. * Change to terminal surface finish affects standard parts listed as well as related custom devices. This Change Notice supersedes previous CN-0027 dated 08/23/07. S31 was added to the Part Numbers table based on updated information. Availability Referenced part numbers with terminal plating change will be available with December 2007 production. www.nkkswitches.com 1.877.2BUYNKK 228.9655 Engineering Department 7850 East Gelding Drive * Scottsdale, AZ 85260 Phone 480.991.0942 * Fax 480.998.1435 REVISED 09/06/07