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Power Electronics - Engineering

Q1:

Which of the following devices has metal-silicon junction?

A General purpose power diode

B Schottky diode

C SCR

D MOSFET

ANS:B - Schottky diode

Because of this characteristic in the structure, the Schottky Diode has less knee Voltage (Forward Breakover Voltage) compared to the normal Diode, and those values is=0. 2-0.27V, the turn-on of the Schottky Diode is less and it requires less volt to turn on the diode.