| 摘要 |
A power thyristor has controllable emitter short circuits in the form of MIS transistors which are conductive in the blocking condition of the thyristor and are switched off during the trigger operation. The ignition of the thyristor, including the control of the emitter short circuits, is accomplished in a simple manner from a gate trigger current pulse. To this end, a npn lateral transistor is integrated on the cathode side of the thyristor, the collector of the lateral transistor being connected to the gates of the MIS transistors, with its base consisting of a sub-region of the p-base and its emitter consisting of an edge region of the n-emitter of the thyristor. The gates of the MIS transistors are connected to the anode of the thyristor over a charging resistor.
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