| 摘要 |
An electronic circuit device includes a sub-board disposed upright on a main board. The sub-board is electrically coupled to the main board via a board terminal) disposed at sub-board edge. A semiconductor element is mounted on the sub-board facing the sub-board in parallel. A temperature sensor is also mounted on the sub-board. A heat sink is formed so as to surround the sub-board and the semiconductor element. A resin material is injected inside a heat sink so as to cover the sub-board, the temperature sensor, and the semiconductor element.
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