PROBLEM TO BE SOLVED: To provide a capacitor mounting structure capable of suppressing deflection of a capacitor substrate due to a repulsive force of a heat dissipation member.;SOLUTION: A capacitor mounting structure 1 comprises: a capacitor substrate 10 having a mounting surface 10a; at least one capacitor 20 mounted on the mounting surface 10a; a heat sink 30 disposed on the mounting surface 10a side of the capacitor substrate 10 for dissipating heat of the capacitor 20; a heat dissipating member 40 disposed between the capacitor 20 and the heat sink 30 so as to be brought into contact with the capacitor 20 and the heat sink 30; a plurality of fixing members 50 for fixing the capacitor substrate 10 to the heat sink 30 at both end sides of the capacitor substrate 10; an insulation member 60 having electrical insulation property disposed on a side opposite to the mounting surface 10a; and a battery terminal 70 (pressing member) disposed on the side opposite to the mounting surface 10a for pressing the insulation member 60 against the capacitor substrate 10.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2019,JPO&INPIT
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