| 摘要 |
A semiconductor switch, is provided that comprises a semiconductor element having a control terminal and two load terminals forming switching contacts of the semiconductor switch, a temperature measuring device for measuring the temperatures of the semiconductor element at two measurement locations spaced apart from one another, and also a control circuit connected between the temperature measuring device and the control terminal of the semiconductor element and having a control input forming the control contact of the semiconductor element, wherein provision is made for: measuring the temperatures of the semiconductor element at two measurement locations spaced apart from one another; providing a signal representing the difference between the two temperatures; driving a driving current of specific intensity into the control terminal of the semiconductor element if a corresponding signal is present at the control input in order to control the semiconductor element in the conducting state between its load terminals; increasing the intensity of the driving current if the semiconductor element is controlled in the conducting state and the temperature difference exceeds a first limit value.
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