The BSMD1812-050-30V with PTC Resettable Fuses 1812 RoHS is a circuit protection device manufactured by BHFUSE. It is designed to provide overcurrent protection for electronic systems and to reset automatically when the problem has been corrected. It features a RoHS-compliant package and has a maximum voltage rating of 30V. The fuse has a rated current of 0.5A and has a response time of less than 10ms. This device is ideal for use in applications involving high-frequency switching, LED lighting circuits, and computer power management.