The SMF30A Unidirectional SOD-123FL TVS ROHS is a RoHS compliant transient voltage suppressor (TVS) diode manufactured by Yongyutai Electronics. It is rated for up to 48.4V, 33.3V, and 30V of reverse voltage protection. It is designed to protect sensitive components against electrical overstress caused by lightning, spikes, and other transient electrical disturbances. It is offered in a small, low-profile SOD-123FL package to provide a robust solution that is easy to install. The SMF30A TVS diode is suitable for a variety of applications, including power supplies, automotive electronics, and industrial equipment.