| 摘要 |
Disclosed is a semiconductor package including: a pad having one power semiconductor device mounted thereon, and a plurality of lead frames including unbent inner frames only, the inner frame being formed on the same line as the pad and electrically connected to the power semiconductor device via a wiring, the lead frames having a first face connected to the wiring, and a second face opposite to the first face. The semiconductor package further includes a molding part formed from an insulating and heat-conductive material and surrounding the power semiconductor device, the pad, and the lead frames. The pad is electrically connected to the power semiconductor device and thereby separated from the lead frames. The lead frames include only inner leads connected to the wiring, and the bottom surface of the lead frames opposite to the top surface connected to the wiring is exposed outwardly together with the bottom surface of the pad, thereby being electrically connected to the printed circuit board via soldering. The lead frames and the pad can be formed, or not, expending out of the boundary of the molding part.
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