Overvoltage protection device for an electrical circuit
AssigneeSchneider Electric Industries SAS
InventorsSébastien Carcouet, Didier Leonard
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Abstract
The invention relates to an overvoltage protection device (2), comprising an input (20) intended to be connected to a power supply mains (A), and an output (21) intended to be connected to an electronic system (3) to be protected, the device comprising: two bidirectional field-effect semiconductor transistors (T1, T2) of normally-on type, connected in series between the input (20) and the output (21), these being fabricated in a wide-bandgap material and able to operate in current-limiting mode; and a resistor (R1) connected in parallel with the two transistors (T1, T2).
Claims8
Overvoltage protection device (2), comprising an input (20) intended to be connected to a power supply mains (A), and an output (21) intended to be connected to an electronic system (3) to be protected, characterized in that it comprises:
- two bidirectional field-effect semiconductor transistors (T1, T2) of normally-on type, connected in series between the input (20) and the output (21), these being fabricated in a wide-bandgap material and able to operate in current-limiting mode;
- and
- a resistor (R1) connected in parallel with the two transistors (T1, T2).
Dependencies are inferred from the claim text.