The A250-110 with PTC Resettable Fuses Through Hole RoHS is an electronic component from JDT. It is a resettable fuse designed to protect against over-current, which does not need to be replaced even after repeated power cycles. It uses PTC, or positive temperature coefficient, ceramic technology, which reacts to sustained excessive current by increasing its resistance until it interrupts the flow of power. This makes it a cost-effective and highly reliable alternative to traditional fuses. It is through-hole mounted and RoHS compliant.