SWITCHING DEVICE HAVING A JFET SERIES CIRCUIT

摘要

The invention relates to a switching device for switching a current between a first connection (1) and a second connection (2) comprising a series circuit of at least two JFETs (J1-Jn), with further JFETs (J2-Jn), which are connected in series to a lowest JFET (J1), and wherein a wiring network for stabilizing the gate voltages of the JFETs (J1-Jn) is connected between the second connection (2) and the first termination (1). One additional circuit (5) is connected between each gate connection (GJ2, GJ3... GjN) of the further JFETs (J2-Jn) and associated cathode connections of diodes (DAV) of the wiring network. During switch-on and in the switched-on state, said additional circuit keeps the potential of the respective gate connection higher than the potential of the associated source connection.