Patent ID: 8693167

Claim:
An electronic component comprising: a lead wire including a leader electrode made of metal containing aluminum, a metal wire containing tin, and a welded section formed by welding a first end of the metal wire to a first end of the leader electrode; a functional element connected to a second end of the leader electrode; and an outer housing that seals the functional element therein such that a second end of the metal wire is led out therefrom, wherein the lead wire further includes a resin film coating the welded section at least at a portion not covered with the outer housing, and a resin material for the resin film is chiefly made of one of polyester imide and aromatic polyamide-imide, and the resin material has a pierce strength of 0.16 MPa/μm per unit thickness or greater and an elastic coefficient of 4.5 GPa or less.