The BNstar SMD1206-450-6V Resettable Fuses ROHS is an electronic part used primarily for overcurrent protection. It has a rating of 6V, 4.5A, 50A, 1.5W, -40? to +70?, 9A, 1mO, 5s, and 15mO, and is constructed in a 1206 size. It can safely carry currents up to 9A and is capable of resetting after the fault is removed. It is RoHS compliant, meaning that it meets high standards for environmental protection and health safety.