The SMF43A with SOD-123F TVS ROHS manufactured by Fosan is a transient voltage suppression (TVS) diode. It can be used to protect sensitive electronic equipment and circuits from high-voltage over/under shoots and transients. It is constructed from a combination of silicon and gallium nitride, is RoHS compliant, and is ideal for Automotive, Industrial, and Consumer applications. It has a high surge capability, fast response time, and low leakage current. Its SOD-123F surface-mount package allows for easy mounting and positioning. It is a highly reliable and cost-effective component for a variety of applications.