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A snubber across a switching device is fitted to limit

  • A.the rate of rise of voltage across it
  • B.the current the device carries in conduction
  • C.the gate charge required to turn it on
  • D.the junction temperature it reaches in service

Answer: A

A capacitor with a resistor and diode slows the voltage transient at turn-off, keeping it inside the device's safe operating area and reducing the noise generated. Modern devices with wide safe operating areas need less snubbing than older ones did.

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