The TC125 is a thermal cutoff with through hole RoHS manufactured by Lanson. It is a two-terminal thermally-sensitive device that opens an electrically-conductive path when its rated current is exceeded. It can be used to prevent damage from over-currents or overheating in electrical circuits. It is characterized by a variety of features such as high accuracy, low temperature coefficient, low thermal time constants, low resistance, high contact reliability, and thermal cycling tolerance. The RoHS compliant TC125 boasts an operating temperature range of -40 to +145 °C, making it suitable for use in tough industrial and automotive applications.