Patent ID: 8027146

Claim:
An electric circuit device comprising: an electric element connected between first and second terminals; and a current control member conducting the alternating component of a first current supplied from the first terminal at least to a conductive plate in the electric element, receiving from the second terminal a second current that is the return current of the first current, and conducting the alternating component of the received second current at least to a conductive plate in the electric element; wherein the electric element includes: n (n is a positive integer) first conductive plate each conducting the alternating component of the first current at least from the first terminal side to the second terminal side; m (m is a positive integer) second conductive plate alternately laminated with the n first conductive plates and each conducting the alternating component of the second current at least from the second terminal side to the first terminal side, and a first anode electrode disposed on the first terminal side and connected to one end of the n first conductive plate; a second anode electrode disposed on the second terminal side and connected to the other end of the n first conductive plate; a first cathode electrode disposed on the first terminal side and connected to one end of the m second conductive plate; and a second cathode electrode disposed on the second terminal side and connected to the other end of the m second conductive plate; and the current control member is connected to the first and the second cathode electrodes and includes a conductor part having the impedance larger than the impedance of the m second conductive plates.