Method for waterproofing power circuit section and power module having power circuit section

摘要

A power module includes a heat radiating member, a power circuit section, a resin layer, and a case. The heat radiating member includes a circuit disposition surface. The power circuit section includes an external connection terminal and is disposed on the circuit disposition surface. The resin layer covers a part of the external connection terminal. The case is attached to the heat radiating member. The external connection terminal stands up from the heat radiating member. The case includes a hood, which has an opening at one end portion thereof. The external connection terminal is inserted into the hood. The resin layer prevents liquid from entering through the hood.