| 摘要 |
A heatsink-less electronic unit (10) equipped with a microcomputer (11) and multiple semiconductor relays of various types (12H, 12L-14) that are mounted on a metal-core-less electronic substrate (10A), wherein the microcomputer (11) is disposed on the metal-core-less electronic substrate (10A), wiper relays (12H, 12L) are provided at positions farthest away from the position where the microcomputer (11) is disposed, and the wiper relays (12H, 12L) are also disposed away from each other. |
