Patent ID: 6822842
Filing Date: 2004-11-23
Classification: H03K

Abstract:
A switching device for switching at a high operating voltage, comprising:an LV switching element having an LV cathode terminal, an LV anode terminal, and an LV grid terminal; a first HV switching element having a first HV cathode terminal, a first HV anode terminal, and a first HV grid terminal, said LV anode terminal being electrically short-circuited with said first HV cathode terminal, said LV cathode terminal being electrically short-circuited with said first HV grid terminal; a second HV switching element having a second HV cathode terminal, a second HV anode terminal, and a second HV grid terminal, said a second HV switching element being connected in series with said first HV switching element; and a first protection element being connected between said first and second HV grid terminals.