| 摘要 |
A semiconductor device includes a principal IGBT controllable in accordance with a gate voltage applied to a gate electrode thereof, a current detecting IGBT connected to the principal IGBT in parallel and a current detecting part including a detecting resistor capable of detecting a current passing through the current detecting IGBT. The base region of the current detecting IGBT and the emitter region of the principal IGBT are electrically connected to each other, and the emitter region of the current detecting IGBT and the emitter region of the principal IGBT are electrically connected to each other through the detecting resistor.
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