| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a semiconductor device capable of shortening the convergence time of a vibration phenomenon occurring during reverse recovery operation of a reflux diode. <P>SOLUTION: The semiconductor device includes the reflux diode 100 which performs unipolar operation and a semiconductor snubber 200 which is connected to the reflux diode 100 in parallel and includes a resistance portion 220 comprising a capacitor portion 210 and a semiconductor layer. The resistance portion 220 has a first resistance region 90 connected to the capacitor portion 210, a peripheral resistance region 91 arranged in parallel to the first resistance region 90, and a resistance separation region 92 having a resistance value equal to or larger than the resistance value of the first resistance region 90 between the first resistance region 90 and peripheral resistance region 91. <P>COPYRIGHT: (C)2010,JPO&INPIT |
