A diode is formed by joining two equivalently doped P-Type and N-Type semiconductor. When they are joined an interesting phenomenon takes place. The P-Type semiconductor has excess holes and is of positive charge. The N-Type semiconductor has excess electrons. At the point of contact of the P-Type and N-Type regions, the holes
in the P-Type attract electrons in the N-Type material. Hence the electron diffuses and occupies the holes in the P-Type material. Causing a small region of the N-type near the junction to loose electrons and behaves like intrinsic semiconductor material, in the P-type a small region gets filled up by holes and behaves like an intrinsic semiconductor. Rectifiers: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification.
Smd bridge rectifier
0.5A / 1A – 200V to 1000 VOLTS