| 摘要 |
PROBLEM TO BE SOLVED: To provide a surge absorber that is manufacturable at a low cost and ensures high joining reliability, and is less dependent on a conductor in an external environment.SOLUTION: The surge absorber includes: a cylindrical metallic stem member 2; a single lead wire 4 sealed with sealing glass 3 in an insulated manner and held hermetic in a penetrating state in the stem member; a metallic cap electrode 5 fixed on the stem member to hermetically seal in a tip end side of the lead wire; and an internal electrode part 6 fixed to the lead wire in the cap electrode with a discharge space to the cap electrode and having a larger outside diameter than the lead wire. |
