Patent ID: 8288858

Claim:
A semiconductor device, comprising: a semiconductor chip having a plurality of electrodes; a bed portion on which the semiconductor chip is mounted; a plurality of leads arranged around the bed portion; a hanging pin joined to the bed portion; a plurality of first bus bars arranged at four sides of the bed portion and connected to an external terminal; at least one second bus bar having an end portion joined to at least one of the plurality of leads, and arranged between the plurality of leads and the plurality of first bus bars; a rectifying bus bar arranged in a region around the bed portion where the at least one second bus bar is not arranged; a plurality of bonding wires electrically connecting the plurality of electrodes of the semiconductor chip to the plurality of leads, the plurality of first bus bars, and the at least one second bus bar, respectively; and a resin sealed body sealing the semiconductor chip, the bed portion, the plurality of first bus bars, the at least one second bus bar, the rectifying bus bar, and the plurality of bonding wires.