Patent ID: 7586180

Claim:
A semiconductor device comprising: a semiconductor chip having a first major surface and a second major surface opposite to the first major surface, the semiconductor chip including a MOSFET, the semiconductor chip having a source electrode of the MOSFET on first major surface thereof, the semiconductor chip having a gate electrode of the MOSFET on the first major surface thereof, the semiconductor chip having a drain electrode of the MOSFET on the second major surface thereof, a source electrode terminal disposed under the semiconductor chip and electrically connected to the source electrode, the source electrode terminals being made of a lead frame; a gate electrode terminal disposed under the semiconductor chip and electrically connected to the gate electrode, the gate electrode terminals being made of a lead frame; drain electrode terminals disposed under the semiconductor chip and electrically connected to the drain electrode, the drain electrode terminals being made of a lead frame; a sealing member having a top surface and a bottom surface opposite to the top surface, the sealing member sealing the semiconductor chip and parts of the drain, source and gate electrode terminals; wherein the source, gate and drain electrode terminals are exposed from the bottom surface of the sealing member; wherein the source and gate electrode terminals are positioned between the drain electrode terminals; wherein a drain electrode plate is disposed over the semiconductor chip and electrically connected to the drain electrode terminals, the drain electrode plate being integrally connected with the drain electrode terminals; and wherein the drain electrode plate is exposed from the top surface of the sealing member.