Diode Consisting p and n both junctions in its structure is called p-n junction diode. I am going to cover all the diodes in my some of the next blogs. I am looking forward to your readership. Today, we’ll talk about P-N junction diode.
How P-N junction is formed
when we combine the P-type material with N-type material P-N junction is formed. On n-side there are large number of electrons on other hand p-side is having more number of holes. In p region, the free electrons diffusing from n-side, recombine with the holes of the atoms which creates depletion layer.
What is P-N junction diode
⦁ It conducts current only in one direction
⦁ It consists two terminals are called electrodes, one from p-region and one from n-region
⦁ The p region is anode while the n region is cathode
⦁ Biasing is applying the external voltage to the p-n junction diode
⦁ Biasing is having two types :
I. Forward biasing
II. Reverse biasing
which depends on polarity of applied d.c. voltage.
Symbol and Representation of P-N junction diode
image author: Raffamaiden