Patent · US Expired

Switching device for switching at a high operating voltage

US6822842B2 · kind B2 · utility

34Cited by

7References

20Claims

0Family size

Assignee

Siced Electronics Development GmbH & Co. KG · DE

Inventors

Peter Friedrichs · Koblenzer Straße, DE
Heinz Mitlehner · Uttenreuth, DE

Key dates

Filing date	Mar 24, 2003
Grant date	Nov 23, 2004
Priority date	—
Expiry date	May 8, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH03K17/102
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A switching device for switching at a high operating voltage includes an LV switching element and a first HV switching element that are connected together in a cascode circuit. Furthermore, at least a second HV switching element is connected in series with the first HV switching element. A first protection element is connected between the HV grid terminals of the first and second HV switching elements, respectively.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.