Lead-Free Buzzers

PUI Audio Lead-Free Buzzers are designed with various resonant frequencies and mounting configurations. These buzzers utilize potassium sodium nitrate, K0.5Na0.5NbO3 (KNN), a material recognized by researchers as among the most feasible lead-free alternatives to highly efficient, lead-based piezoelectric lead zirconate titanate (PZT). By eliminating lead from these buzzers, their environmental impact and associated health hazards are significantly reduced. These lead-free buzzers ensure compliance with strict international regulations, such as the RoHS directive, restricting the use of hazardous substances in electronic equipment. PUI Audio Lead-Free Buzzers exhibit a strong piezoelectric effect, even with a slimmer profile, opening possibilities in the medical, industrial, automotive, and consumer sectors.