Question

In IGBT, the n^– layer above the p^+ layer is called as the

(a) drift layer

(b) injection layer

(c) body layer

(d) collector Layer

This question was posed to me in my homework.

My doubt is from IGBTs-1 topic in portion Power Electronics Devices of Power Electronics

Answer 1

The correct option is (a) drift layer

To explain: It is called as the drift layer because its thickness determines the voltage blocking capabilities of the device.