| 摘要 |
PROBLEM TO BE SOLVED: To provide a DC-DC converter device capable of inhibiting local temperature rise.SOLUTION: A DC-DC converter device includes: a case; a first substrate housed in the case and including a power circuit; and a coil including a body part and a pair of lead terminals, the coil where the lead terminals are connected with the power circuit. A soaking plate for diffusing heat generated in the coil is connected to a surface of the body part of the coil, which is opposite to a surface facing the first substrate, in a heat conductive manner through a heat transfer sheet. |
