Abstract: In a semiconductor device, a first wiring member is electrically connected to a first main electrode on a first surface of a semiconductor element, and a second wiring member is electrically connected to a second main electrode on a second surface of the semiconductor element. An encapsulating body encapsulates at least a part of each of the first and second wiring members, the semiconductor element and a bonding wire. The semiconductor element has a protective film on the first surface of the semiconductor substrate, and the pad has an exposed surface exposed from an opening of the protective film. The exposed surface includes a connection area to which the bonding wire is connected, and a peripheral area on a periphery of the connection area. The peripheral area has a surface that defines an angle of 90 degrees or less relative to a surface of the connection area.

Abstract: An electronic device includes an electronic component, a sealing resin body, and a plurality of conductive members electrically connected to the electronic component in the sealing resin body, including respective portions exposed from the sealing resin body to the outside of the sealing resin body, and having different potentials. The conductive members include a heat sink and a terminal extending from an inside to the outside of the sealing resin body. A surface of the terminal includes, as a part covered with the sealing resin body, a higher adhesion part and a lower adhesion part. The lower adhesion part is provided in an entire portion of a back surface of the terminal, the back surface being opposite to a connection surface of the terminal which is adjacent to a connection part electrically connected to the electronic component. The higher adhesion part is provided in the connection surface.

Abstract: An electronic device includes an electronic component (12), a sealing resin body (11) sealing the electronic component, and a plurality of conductive members electrically connected to the electronic component in the sealing resin body, including respective portions exposed from the sealing resin body to the outside of the sealing resin body, and having different potentials. The conductive members include an external connection terminal (14, 22, 23, 24, 25) extending from the inside of the sealing resin body to the outside of the sealing resin body. A surface of the external connection terminal has a connected part (40a) electrically connected to the electronic component, a higher adhesion part (43) having a higher adhesion to the sealing resin body, and a lower adhesion part (44) having an adhesion to the sealing resin body which is lower than that of the higher adhesion part.