Abstract: A temperature sensor comprises a sensor element including a pair of leads connected to a thermosensitive element, a protective case accommodating the sensor element, a filler filling an area between the protective case and the sensor element inside the protective case, an electric wire electrically connected to the pair of leads and extending out of the protective case, a sealing material composed of an electrical insulator and covering an area from the thermosensitive element to predetermined positions of the pair of leads, and a dip resin composed of an electrical insulator and covering an area from the sealing material to predetermined positions of the pair of leads and the electric wire. Linear expansion coefficients of the sealing material, the dip resin, the thermosensitive element, and the pair of leads are set so that at least an area between the dip resin and the pair of leads does not separate during a temperature cycle between liquid nitrogen and boiling water.

Abstract: The purpose of the present invention is to provide: a temperature sensor able not only to prevent failures where a temperature-sensitive sintered body ends up coming out of a protective case together with a packing resin, but also to curb changes in properties of the temperature-sensitive sintered body and ensure reliability; and a device provided with this temperature sensor. A temperature sensor (1) is provided with: a protective case (2) that has a linear expansion coefficient of 7.5 to 19.5×10?6/° C.; a temperature-sensitive sintered body (3) that is arranged inside the protective case (2); a lead wire (4) that is connected to the temperature-sensitive sintered body (3) and has a cross-sectional area of 0.097 mm2 or less; and a packing resin (6) that has a linear expansion coefficient of 7.5 to 19.5×10?6/° C. and that is packed around the temperature-sensitive sintered body (3) inside the protective case (2).

Abstract: The purpose of the present invention is to provide: a temperature sensor able not only to prevent failures where a temperature-sensitive sintered body ends up coming out of a protective case together with a packing resin, but also to curb changes in properties of the temperature-sensitive sintered body and ensure reliability; and a device provided with this temperature sensor. A temperature sensor (1) is provided with: a protective case (2) that has a linear expansion coefficient of 7.5 to 19.5×10?6/° C.; a temperature-sensitive sintered body (3) that is arranged inside the protective case (2); a lead wire (4) that is connected to the temperature-sensitive sintered body (3) and has a cross-sectional area of 0.097 mm2 or less; and a packing resin (6) that has a linear expansion coefficient of 7.5 to 19.5×10?6/° C. and that is packed around the temperature-sensitive sintered body (3) inside the protective case (2).

Abstract: The purpose of the present invention is to provide: a temperature sensor able not only to prevent failures where a temperature-sensitive sintered body ends up coming out of a protective case together with a packing resin, but also to curb changes in properties of the temperature-sensitive sintered body and ensure reliability; and a device provided with this temperature sensor. A temperature sensor (1) is provided with: a protective case (2) that has a linear expansion coefficient of 7.5 to 19.5×10?6/° C.; a temperature-sensitive sintered body (3) that is arranged inside the protective case (2); a lead wire (4) that is connected to the temperature-sensitive sintered body (3) and has a cross-sectional area of 0.097 mm2 or less; and a packing resin (6) that has a linear expansion coefficient of 7.5 to 19.5×10?6/° C. and that is packed around the temperature-sensitive sintered body (3) inside the protective case (2).