SS34F Diode Rectifiers are electronic devices that allow electrical current to flow in only one direction, while blocking it in the opposite direction. They are commonly used in power supply circuits to convert AC voltage to DC voltage. These can be either a single diode or multiple diodes arranged in different configurations. SS34F Diode Rectifiers use only one diode and only allows one-half of the AC voltage to pass through, while the full-wave rectifier uses four diodes to allow both halves of the AC voltage to be converted to DC voltage.