| 摘要 |
PROBLEM TO BE SOLVED: To provide a protective element which acts as a protective element in both situations of overcurrent and overvoltage, and can be reused as possible, after operation in the case of overcurrent or overvoltage. SOLUTION: In a protective element 30, a PTC element 1 and a low-melting point metal member 2 are connected in series on a substrate. In the PTC element 1, a heating member 3 is arranged adjacently to the low melting point metal member 2.
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