Patent ID: 8884309
Filing Date: 2014-11-11
Classification: H01L,H03K

Abstract:
1. An AC switch comprising: a first compound semiconductor MOSFET and a second compound semiconductor MOSFET whose sources are connected with each other, the first compound semiconductor MOSFET including the first compound semiconductor MOSFET and the second compound semiconductor MOSFET being planar MOSFETs or trench gate MOSFETs, the first compound semiconductor MOSFET having a first body diode with an anode and a cathode respectively connected to a source and a drain of the first compound semiconductor MOSFET, the second compound semiconductor MOSFET having a second body diode with an anode and a cathode respectively connected to a source and a drain of the second compound semiconductor MOSFET; a first output terminal connected to the drain of the first compound semiconductor MOSFET; a second output terminal connected to the drain of the second compound semiconductor MOSFET; a first metal pattern electrically connected to the source of the first compound semiconductor MOSFET; and a second metal pattern wherein a withstand voltage between the first output terminal and the second output terminal in an off state is not less than 400 V, and wherein a resistance between the first output terminal and the second output terminal in an on state is not more than 20 mΩ.