サーミスタ素子

Abstract

<P>PROBLEM TO BE SOLVED: To provide a thermistor element capable of improving responsiveness while preventing reduction deterioration, and improving an insertion property in case mounting. <P>SOLUTION: The thermistor element includes: a metal oxide sintered body 2 for a thermistor, formed with at least one pair of jointing holes 2a; at least one pair of lead wires 3 jointed to the metal oxide sintered body 2 for a thermistor in an inserted state into the jointing holes 2a; and insulating cover materials 4 partially covering a surface of the metal oxide sintered body 2 for a thermistor, wherein each insulating cover material 4 covers an exposed part 2c of an interfacial surface where the lead wire 3 is jointed to the metal oxide sintered body 2 for a thermistor. <P>COPYRIGHT: (C)2011,JPO&INPIT
【課題】 還元劣化を防ぎつつ応答性を向上させると共にケース実装時の挿入性も向上させることができるサーミスタ素子を提供すること。 【解決手段】 少なくとも一対の接合用孔2aが形成されたサーミスタ用金属酸化物焼結体2と、接合用孔2aに挿入状態でサーミスタ用金属酸化物焼結体2に接合された少なくとも一対のリード線3と、サーミスタ用金属酸化物焼結体2の表面を部分的に覆う絶縁性被覆材4と、を備え、該絶縁性被覆材4が、リード線3とサーミスタ用金属酸化物焼結体2とが接合している界面の露出部分2cを覆っている。 【選択図】 図1

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