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    • 10. 发明专利
    • Circuit protection element
    • 电路保护元件
    • JP2013197002A
    • 2013-09-30
    • JP2012065004
    • 2012-03-22
    • Panasonic Corpパナソニック株式会社
    • IWAO TOSHIYUKIMATSUMURA KAZUTOSHI
    • H01H85/17H01H85/02H01H85/046H01H85/06H01H85/10H01H85/38
    • PROBLEM TO BE SOLVED: To provide a circuit protection element in which an element part can be prevented from deteriorating with a current in steady state.SOLUTION: The circuit protection element includes an element part 13 formed to bridge a pair of upper surface electrodes 12 provided on an insulation substrate 11, and connected electrically therewith, an insulation layer 15 provided to cover the element part 13, and a blowout part 16 provided in the element part 13. The element part 13 consists of a pair of first element parts 13a connected with the pair of upper surface electrodes 12, and a second element part 13b provided between the pair of first element parts 13a. The first element part 13a is formed of a material having a minus resistance temperature coefficient, the second element part 13b is formed of a material having a plus resistance temperature coefficient, and the blowout part 16 is formed in the second element part 13b.
    • 要解决的问题:提供一种电路保护元件,其中可以防止元件部分在稳定状态下的电流劣化。解决方案:电路保护元件包括形成为桥接一对上表面电极12的元件部分13, 在绝缘基板11上,与其电连接,设置成覆盖元件部分13的绝缘层15和设置在元件部分13中的吹出部分16.元件部分13由一对第一元件部分13a组成, 一对上表面电极12和设置在该对第一元件部分13a之间的第二元件部分13b。 第一元件部分13a由具有负电阻温度系数的材料形成,第二元件部分13b由具有正电阻温度系数的材料形成,并且吹出部分16形成在第二元件部分13b中。