500A power switch control circuit diagram

The circuit uses 50 BUZ23 field effect transistors connected in parallel, tube blocking voltage of 100V. Required control power is extremely small, and there will be no second breakdown and conduction zone positive temperature coefficient phenomenon.

As the entire circuit current is large, it is where the gate resistance, using the connection element 50 in parallel. In order to load circuit wiring inductance let go of the energy stored in the drain - source access between the 20 parallel RC absorption circuit elements.

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