SMAJ8.5A is a unidirectional, 14.4V 9.44V 8.5V SMA TVS (Transient Voltage Suppressor) device, produced by Yongyutai Electronics. It is compliant with ROHS standards, meaning it doesn't contain hazardous substances such as lead, which can be dangerous to humans and the environment. This device serves to protect electronic circuits from voltage surges caused by load dump, spikes, electric arcs, and other transient events. It has anti-ESD and EFT protection, and a low forward closure voltage. It is suitable for use in automotive, industrial, and consumer applications.