| 摘要 |
<p>According to one embodiment, a semiconductor device (D) includes a semiconductor circuit (22) and an electric-power supply (9). The semiconductor circuit includes a main element (3) including a switching element (1) and an antiparallel diode (2), a reverse voltage application circuit (7) including a high-speed free wheeling diode (4), a capacitor (6) and an auxiliary element (5), a main element drive circuit (13), and an auxiliary element drive circuit (14). The electric-power supply is configured to supply electric-power to the capacitor, the main element drive circuit and the auxiliary element drive circuit, and has a voltage lower than the withstand voltage of the main element.</p> |
