The 16FCD10D0 part is a circuit protector from TE Connectivity. It is a single over- and undervoltage circuit protector with a 10 A current rating. It is designed to protect against dangerous over- or undervoltage conditions, and can be used to protect power supplies, motors, and other sensitive equipment. The unit has an adjustable voltage threshold of 6-35 VDC, and is sealed for environmental protection. It has a wide operating temperature range of -40°C to +105°C. The 16FCD10D0 is UL, CSA, and VDE approved.