| 主权项 |
1. A switching element unit comprising:
a switching element; and a smoothing capacitor that suppresses variation in DC voltage to be supplied to the switching element, wherein
the smoothing capacitor includes positive electrode-side internal electrodes and negative electrode-side internal electrodes alternatively arranged in a stacking direction,dielectric portions are stacked in the stacking direction with the positive electrode-side internal electrodes and the negative electrode-side internal electrodes interposed therebetween,an element mounting surface formed in an outer surface of the smoothing capacitor is formed integrally with the dielectric portions,a capacitor connection electrode as an electrode that is electrically connected to a terminal of the smoothing capacitor is formed on the element mounting surface,the switching element is placed on the element mounting surface such that a main terminal of the switching element is electrically connected to the capacitor connection electrode, andthe switching element has an opposing mounting surface facing the element mounting surface,the switching element is placed on the element mounting surface so that the opposing mounting surface contacts the element mounting surface directly or via a bonding member, andthe switching element includes on the opposing mounting surface the main terminal that is electrically connected to a supply source of the DC voltage. |
