Bourns 1.25A Resettable Fuse, 9V

The Bourns MF-MSHT series is PTC Resettable Fuse are designed for the protection of electrical and electronic circuits against excessive currents. They switch rapidly from a low resistance to very high resistance state under electrical overload or short circuit conditions, and feature automatic reset and return to low resistance state when fault condition ceases and power is removed. It has resettable fault protection for industrial transportation, communication, security, and consumer electronic equipment.

Operating temperature range from -40 °C to 125 °C
Surface mount packaging for automated assembly
Low thermal derating factor