This is a DOWO-manufactured 500mA/24V resettable fuse with a rated current of 40A, a holding current of 0.5A, a power dissipation of 0.6W, a trip current of 1A, a resistance of 0.15O, a response time of 0.1s, a resistance of 0.7O, and a size of 1206. It is ROHS certified, meaning that it meets the safety requirements for use in the European Union.