1N4005-N-2-4-AP

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Diodes are semiconductor components that allow the flow of electric current in one direction, but block the current in the opposite direction which make them an ideal choice for any application requiring current flow in only one direction. Rectifier diodes, in particular, made up of several pn-junction, can effectively convert alternating current (AC) to direct current (DC), and are used in a variety of circuits and devices. One popular rectifier diode is the 1N4005-N-2-4-AP, which has different application and working principle.

Application Field

The 1N400x series of diodes (1N4001-1N4007) are designed for low- and medium-current, low-voltage applications; with moderate temperature range, fast switching speed and good general purpose unfiltered rectifier features. These features make 1N400x series popular for applications such as general purpose power rectifier, inverter, metering, pulse generators and voltage regulators. 1N4005-N-2-4-AP which is a 1N4005-series rectifier subspecies, is better suited for some other application fields such as bridge rectifier circuits, logic level circuitry, transistor switching, and AC-DC rectification up to 50V and 1A.

Working Principle

The 1N4005-N-2-4-AP rectifier diode is a typical pn-junction diode. Applying a forward bias blocks the current, while applying a reverse bias passes the current due to the resistance of the pn-junction. In a bridge rectifier circuit, two 1N4005-N-2-4-AP can be used in combination with four additional diodes. In this circuit, when an AC voltage is applied to the input terminals, the voltage is applied simultaneously to both pn-junctions; as such, when current flows in one direction from one of the pn-junctions, the current is blocked from the other pn-junction by reverse bias. As the AC voltage alternates polarity, the forward and backward biases of the diodes switch correspondingly; in this way, the AC voltage is rectified into DC voltage.

Conclusion

In conclusion, 1N4005-N-2-4-AP is an efficient and popular rectifier diode that is used in a variety of rectifier applications such as bridge rectifier circuits, logic level circuitry, transistor switching, and AC-DC rectification up to 50V and 1A. Its working principle relies on the special characteristic of the pn-junction which blocks current when a forward bias is applied, and passes current when a reverse bias is applied. Therefore the AC voltage alternately flowing in two directions can be rectified into DC voltage.

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