| 摘要 |
PROBLEM TO BE SOLVED: To provide an irreversible circuit element with enhanced reliability that can easily be assembled. SOLUTION: The irreversible circuit element that is provided with an assembly having a permanent magnet, a center conductor and a magnetic body between an upper yoke and a lower yoke, with an elastic resin member and with a resin case on which at least a capacitor and the assembly are placed or with a dielectric board on which capacitors are layered, is characterized in that a sidewall of the lower yoke has an opening, a sidewall of the upper yoke has a projection inserted to the opening, the upper and lower yokes are locked by the projection and the opening and the elastic resin member is placed while being elastically deformed.
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