| 摘要 |
<p>An electronic control unit (ECU) 1 includes onboard type electronic components (10) and non-onboard type electronic components (40, 41) inside an aluminum case (2). The ECU 1 has a circuit board (11) for mounting the onboard type electronic component (10) in a first portion of a bottom surface, and a concavity (4) for installing the non-onboard type electronic components (40, 41) in a second portion of the bottom surface. A resinous frame (30) is provided in the concavity (4) to house and hold the non-onboard type electronic components (40, 41). <IMAGE></p> |
