KEMET is improving and enhancing their printing process for part markings. The changes with clarify the T498 and T499 laser marking, including the polarity indicator. The improvements will result in sharper contrast which will improve the end customer_s component identification process. The effective date for laser marking change in the Matamoros location is December 1st, 2014. Please contact a Mouser Technical Sales Representative for further information. 5-0914-3