Patent ID: 7969278

Claim:
A thermistor comprising: a thermistor element body; first and second electrodes arranged on the thermistor element body; a first lead wire an end of which is connected to the first electrode; a second lead wire an end of which is connected to the second electrode; a sealing portion of glass which seals at least the thermistor element body, the first and second electrodes, and the ends of the first and second lead wires; and an insulating portion of an electrically insulating material which covers portions of the first and second lead wires exposed from the sealing portion, wherein the first and second lead wires are spaced from each other and include respective first portions extending from said ends and spaced from each other with a first space, respective second portions spaced from each other with a second space larger than the first space, and respective third portions spaced from each other with a space varying from the first space to the second space, between the first and second portions, and wherein the insulating portion covers the first portions of the first and second lead wires together and covers the second and third portions of the first and second lead wires independently for each of the first and second lead wires.