| 摘要 |
PROBLEM TO BE SOLVED: To effectively prevent over-current and over-voltage.SOLUTION: There is provided a protective device including a substrate, a conductive section and a first auxiliary medium. The conductive section is supported by the substrate, and includes a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The auxiliary medium is disposed between the metal element and the substrate, and has a melting point lower than that of the metal element. The auxiliary medium facilitates breaking of the metal element upon melting. |
