Question

The GTO (gate turn-off thyristor) is a

(a) p-n-p-n device

(b) p-n-p device

(c) p-metal-n device

(d) p-n single junction device

This question was posed to me at a job interview.

My question is based upon GTOs topic in chapter Power Electronics Devices of Power Electronics

Answer 1

Correct choice is (a) p-n-p-n device

The explanation is: Just like a SCR, the GTO is a four layer p-n-p-n device.