The FTR07D560K with Varistors 45V 110V 250A Through Hole,P=5mm RoHS made by FTR is a Radial Leaded Varistor which is designed for surge voltage protection. It features a 45V to 110V operating voltage, 250A max surge current, 5mm spacing, and is RoHS compliant. The varistor is designed for use in applications which require surge handling capability. It is typically used in power supply and output protection circuits.