A switching circuit, comprising: a normally-off junction field-effect transistor including a source terminal, a drain terminal, and a gate terminal; a driver including a first power input terminal, a first output terminal for outputting a potential of the first power input terminal or a high impedance state, a second power input terminal, a second output terminal for outputting a potential of the second power input terminal or a high impedance state, and an input terminal for switching between a first output state and a second output state, the first output state being a state in which the first output terminal outputs the potential of the first power input terminal and the second output terminal outputs the high impedance state, the second output state being a state in which the first output terminal outputs the high impedance state and the second output terminal outputs the potential of the second power input terminal; a first rectifier connected between the source terminal and the gate terminal, and including an anode on a side of the source terminal and a cathode on a side of the gate terminal; a first resistor connected between the first output terminal and the gate terminal; a series circuit connected in parallel with the first resistor, and including a capacitor and a second resistor connected in series; and wherein the source terminal is connected with the second power input terminal, characterized in that the switching circuit further comprises a second rectifier including an anode on a side of the gate terminal and a cathode on a side of the second output terminal and directly connected to the second output terminal, and in that the second rectifier is connected in parallel with only the capacitor out of the capacitor and the second resistor connected in series. a normally-off junction field-effect transistor including a source terminal, a drain terminal, and a gate terminal; a driver including a first power input terminal, a first output terminal for outputting a potential of the first power input terminal or a high impedance state, a second power input terminal, a second output terminal for outputting a potential of the second power input terminal or a high impedance state, and an input terminal for switching between a first output state and a second output state, the first output state being a state in which the first output terminal outputs the potential of the first power input terminal and the second output terminal outputs the high impedance state, the second output state being a state in which the first output terminal outputs the high impedance state and the second output terminal outputs the potential of the second power input terminal; a first rectifier connected between the source terminal and the gate terminal, and including an anode on a side of the source terminal and a cathode on a side of the gate terminal; a first resistor connected between the first output terminal and the gate terminal; a series circuit connected in parallel with the first resistor, and including a capacitor and a second resistor connected in series; and wherein the source terminal is connected with the second power input terminal, characterized in that the switching circuit further comprises a second rectifier including an anode on a side of the gate terminal and a cathode on a side of the second output terminal and directly connected to the second output terminal, and in that the second rectifier is connected in parallel with only the capacitor out of the capacitor and the second resistor connected in series.