The invention concerns an electronic module for rotating electrical machine comprising: a housing (101) defined by an upper surface, a lower surface and at least three side surfaces; electronic components (102) arranged in said housing (101). The invention is characterized in that said electronic components are mounted on power connections (103, 104, 105), and in that said power connections include ends which are all arranged proximate a first surface of the housing. The invention is applicable to an alternator starter.