Important characteristics of SIT

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Important characteristics of SIT (Static Induction Thyristor)

Symbol of SIT

Symbol of static induction thyristor

  1. Switching speed : 1 to 6 µS
  2. Voltage rating : upto 2500 V
  3. Current rating : only upto 500 A
  • The biggest disadvantage of SIT is that it is extremely sensitive to the perturbations in the manufacturing process.
  • Small variations in the manufacturing process can change the device characteristics to a great extent.
  • The biggest advantage of SIT is its very short turn-on and turn-off times (typically 0.25 micro-seconds).
  • The other advantages are : low noise and low distortion.

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