SEMICONDUCTOR MODULE

A semiconductor module 1 according to one embodiment includes a first circuit board, circuit units and a first plate member; the circuit units include a second plate member, a vertical type transistor and a second circuit board; n first circuit unit of N circuit units electrically connect a back surface side conductive region to the first input interconnection pattern of the first circuit board; (N−n) second circuit unit of the N circuit units electrically connect the third conductive pattern and the fourth conductive pattern of the second circuit board to the first control interconnection pattern and the second input interconnection pattern of the first circuit board; the first plate member electrically connects the fourth conductive pattern of the first circuit units to the second plate member of the second circuit units; and the gate electrode pad of the vertical type transistor contained in the first circuit unit is electrically connected to the first control interconnection pattern of the first circuit board.