Patent ID: 7158372

Claim:
An electronic control unit comprising: a chassis having a plate portion and protruding a side wall from the circumference of said plate portion; a circuit board secured to a board-side attaching surface of said plate portion opposite to a surface from which said side wall protrudes, said circuit board being held substantially in parallel to said board-side attaching surface with a predetermined space secured therebetween; a housing incorporating at least one device and mounting said chassis on a surface thereof with an end surface of said side wall being in contact with said surface of said housing; and a bus bar including: (a) a base portion having a fixing portion at a part thereof fixed to said plate portion and connected to a lead of said at least one device taken out from said housing, said base portion also having plural branch portions thereon; (b) plural lead portions extending respectively from said plural branch portions of said base portion and having end portions thereof joined to said circuit board; and (c) plural elastic portions provided between said branch portions and said fixing portion of said base portion for reducing stress which are developed respectively at juncture portions where said end portions of said plural lead portions are joined to said circuit board, respectively.