Patent ID: 9640453
Date: 2017-05-02
CPC Classifications: H01L,H01R

Claim:
1. A power semiconductor device, comprising: a housing; a circuit board which is placed in the housing and in which an electric circuit including a power semiconductor element is formed; a plurality of terminals each having an inner terminal portion electrically connected in the housing to the electric circuit, an outer terminal portion for making electrical connection with an apparatus to be connected, and a body portion whose one end continuous to the inner terminal portion is fastened internally to the housing and which supports the outer terminal portion at the other end so as to place the outer terminal portion away from the housing; wherein, in each of the plurality of terminals, at a portion in the body portion exposed from the housing, there is formed a constriction portion that is concaved from both sides in a direction perpendicular to a center line that connects the outer terminal portion and a root portion in the portion exposed from the housing, so as to leave a portion around the center line.