| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the size of substrate and power distribution box and also lower the manufacturing cost of power distribution box. SOLUTION: A bus bar 14 is erected on a substrate 13 to be accommodated within a power distribution box 10 and an intelligent power switch 17 is mounted to the side surface of this bus bar 14. A miniatiurized fuse extension box 22 is formed to the other end in the longitudinal direction of the bus bar 14. A heat radiation fin 19 is provided at the area near the mounting portions 14a, 14b of the intelligent power switch 17 in the bus bar 14.</p> |
