To date, volumes have been written about the European Union’s (EU) directive on Restrictions on Hazardous Substances (RoHS), WEE, and requirements for lead-free (Pb-free) products. You can go to virtually any search engine and put in the words, “Pb-free requirements” or “RoHS” and get a considerable amount of definitions, analysis, and general articles. So, rather than re-inventing the wheel, we’ll concentrate on basic information you, as a buyer or purchasing agent, can use to make your life easier. The following information helps you to understand some of the key particulars involved in selecting Pb-free PCBs and their associated costs.