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The 500A power switch control circuit

2015-03-19 06:21  
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The 500A power switch control circuit
The circuit is fixed with 50 parallel BUZ23 FET transistors, the blocking voltage of the tube is 100V. The needed control power is very low, and there aren't any phenomenon of twice breakdown or conducting area forward temperature coefficient. As the current of the whole current is very high, so the 50 gate resistors and elements are connected in parallel method. To release the energy in the wire inductors of the loading circuit, an attraction circuit composed of 20 parallel RC elements is connected between the leakage-source pole.