The TRB300 with PTC Resettable Fuses Through Hole P=5.1mm RoHS is a time-delay fusible element manufactured by TLC. It is designed to open a circuit when high current or temperature occurs, and can be reset by replacing the fuse or allowing the component to cool down. The fuse can handle up to a maximum 300V and 7A current. This electronic part is RoHS compliant, meaning it is free from hazardous materials such as lead, cadmium, mercury, and other toxic substances. It has a diameter of 5.1mm and is convenient to install in through-hole applications.