The mSMD030 with PTC Resettable Fuses 1812 RoHS, manufactured by TECHFUSE, is a surface mount, 3A/300VAC, very low-profile device. It offers fast, full-range current limiting protection and resets automatically once the fault causing the protection of the device is eliminated. The mSMD030 is designed with overcurrent and overvoltage protection functions to prevent ICs, circuits and equipment from being damaged. It also has a RoHS (Restriction of Hazardous Substances) compliant design, as well as an operating temperature range of -40 to +85°C, making it suitable for many applications.