Photovoltaic Cells: PIN diodes are applied in Solar cells, wherein they feature as photodetectors to transform daylight into electrical energy. PIN diodes can also be made use of to make limiters (a kind of nonlinear product ), commonly as one or more shunt factors across a transmission line. Note: - https://pindiodeswitch03579.ka-blogs.com/87986495/little-known-facts-about-pin-diode-switch