A switch circuit for connecting and disconnecting an electrical component between a high voltage potential and a low voltage potential, the switch circuit comprising: a control terminal ; a first connection terminal for the connection to a high voltage, HV, potential; a second connection terminal for the connection to a low voltage, LV, potential; a first field-effect transistor, first FET , comprising a gate-terminal , a drain-terminal electrically connected to the first connection terminal , and a source-terminal electrically connected to the second connection terminal ; and an adjustment unit , electrically connected to the control terminal and the gate-terminal , the adjustment unit being adapted to alter a voltage and/or a current provided to the control terminal and to provide the altered voltage and/or current at the gate-terminal , wherein the adjustment unit comprises a second field-effect transistor, second FET , wherein the drain-terminal of the second FET is electrically connected to the control terminal ; characterized in that the second FET is realized as a depletion-type field-effect transistor; and in that the gate-terminal and the source-terminal of the second FET are both electrically connected to the gate-terminal of the first FET respectively, wherein the electrical connection between the gate-terminal of the second FET and the gate-terminal of the first FET comprises a primary resistor connected in series with the gate-terminals ; and the switch circuit further comprising a secondary resistor , wherein a first terminal of the secondary resistor is electrically connected to the gate-terminal of the second FET and wherein a second terminal of the secondary resistor is electrically connected to the second connection terminal . a control terminal ; a first connection terminal for the connection to a high voltage, HV, potential; a second connection terminal for the connection to a low voltage, LV, potential; a first field-effect transistor, first FET , comprising a gate-terminal , a drain-terminal electrically connected to the first connection terminal , and a source-terminal electrically connected to the second connection terminal ; and a gate-terminal , a drain-terminal electrically connected to the first connection terminal , and a source-terminal electrically connected to the second connection terminal ; and an adjustment unit , electrically connected to the control terminal and the gate-terminal , the adjustment unit being adapted to alter a voltage and/or a current provided to the control terminal and to provide the altered voltage and/or current at the gate-terminal , wherein the adjustment unit comprises a second field-effect transistor, second FET , wherein the drain-terminal of the second FET is electrically connected to the control terminal ; characterized in that the second FET is realized as a depletion-type field-effect transistor; and in that the gate-terminal and the source-terminal of the second FET are both electrically connected to the gate-terminal of the first FET respectively, wherein the electrical connection between the gate-terminal of the second FET and the gate-terminal of the first FET comprises a primary resistor connected in series with the gate-terminals ; and the switch circuit further comprising a secondary resistor , wherein a first terminal of the secondary resistor is electrically connected to the gate-terminal of the second FET and wherein a second terminal of the secondary resistor is electrically connected to the second connection terminal . <EOS>