CEL Optocouplers The merger of NEC Electronics and Renesas Technologies has been completed. Due to the merger Renesas will be making a "marking" change on the Optocoupler Products with the changes scheduled to begin in December 2010 and are due to be completed by February 2011. Marking changes are as follows. The PS25XX series - The NEC logo will be replaced with a "R" above the series number. The PS28XX-4 series - Same as above. The PS85XX, PS92XX and PS95XX Series - The NEC logo will be replaced with a "R" above the series number and the engraved "N" will be replaced with a "R". The PS28XX-1 Series -1, PS28XXA, and PS28XXC series there will be a "R" placed preceding the series indicator on the part (Ex. "1" will become "R1"). The PS28XX-1 Series -2 will have a "R" placed prior to the series indicator. (Ex. "33" will become "R33"). The PS286X series - The "N" prior to the series indicator will be replaced with a "R". The P29XX, PS81XX, PS91XX, PS78XX, PS88XX, and PS98XX Series The engraved "N" will be replaced with an engraved "R". For additional information, please contact your Mouser Technical representative. 5-1010-07