Electronic circuit with a power semiconductor component and with a securing means for the protection against overheating of the power semiconductor component.

摘要

Electronic circuit (1) with a power semiconductor component (2) and with a securing means for the protection of the power semiconductor component from overheating, comprising the following features: the circuit (1) comprises the power semiconductor component (2), a semiconductor component (3), a circuit carrier (4) and a heat sink (5); the power semiconductor component (2) is provided with a metallic housing surface of the heat sink (5) mounted in a heat-conducting manner; the semiconductor component (3), the securing means with a temperature sensor, which, upon exceeding a temperature of the power semiconductor component (2) is switched off; the semiconductor component (3) is provided with a metallic housing surface at a first location (6) of the circuit carrier (4) mounted in a heat-conducting manner; the heat sink is at a second location (7) of the circuit carrier (4) mounted in a heat-conducting manner; the first point (6) and the second point (7) of the circuit carrier (4) are connected to one another in a heat-conducting manner.