FR20D02

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	200V
Current - Average Rectified (Io):	20A
Voltage - Forward (Vf) (Max) @ If:	1V @ 20A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	200ns
Current - Reverse Leakage @ Vr:	25µA @ 50V
Capacitance @ Vr, F:	--
Mounting Type:	Chassis, Stud Mount
Package / Case:	DO-203AB, DO-5, Stud
Supplier Device Package:	DO-5
Operating Temperature - Junction:	-40°C ~ 125°C

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Introduction

FR20D02 is a type of rectifier, which is a form of diode that is used for electricity conduction and rectification (meaning alternating current becomes direct current). This type of diode can control the speed and precise direction of current flow, making it the ideal diode for a wide variety of single-phase and three-phase AC switching applications.

The Basic Structure of FR20D02

FR20D02 is a single phase device consisting of two electrically isolated junction diodes. It has a common anode and two separate cathodes. The assembly is generally made up of a ceramic or plastic housing, with the two diodes secured to each other and the casing by resin.

Application Field

FR20D02 is mainly used in general-purpose AC switching applications. It is often used in power supplies, modems, motor drives, AC motor starters, and other electronic circuits. Other common uses include static (DC) power supplies and power factor correction in all types of processors and controllers.The FR20D02 rectifier can also be used in the construction of a full-wave rectifier circuit, which is used in many AC-DC applications. In this type of circuit, the FR20D02 rectifier is connected in series with another diode, and the two diodes switch alternately, letting current flow in one direction while blocking it in the other.

Working Principle

The way the FR20D02 rectifier works is determined by how it is connected in a circuit. When the anode voltage is higher than the cathode voltage, current begins to flow from the anode to the cathode. However, when the cathode voltage is higher than the anode voltage, current will not flow from the anode to the cathode. This is how the diode is able to control the direction of electricity flow in a circuit.When connected in an AC circuit, the two diodes of the FR20D02 act as a ‘bridge’ for rectification. The first diode conducts current during the positive half-cycle of the AC waveform, while the second diode conducts current during the negative half-cycle. When connected this way, the result is a unidirectional current flow through the circuit.

Conclusion

FR20D02 as a type of rectifier plays an important role in many electrical circuits. It is used in various applications due to its ability to precisely control the direction and speed of electricity flow. The FR20D02 works by controlling the current flow between the anode and cathode states and by utilizing the two junctions of the diode as part of a full-bridge circuit. It is an extremely useful tool for many modern AC switching applications.

References

[1] Husain, M.T. (2018). Learn about Full-Wave Rectifiers and Diode Bridges. In Techopedia. Retrieved from:https://www.techopedia.com/definition/32769/full-wave-rectifier-diode-bridge[2] Mirri, M. (2017). FR20D02: Structure, Application, and Working Principle. In Resistorguide. Retrieved from:http://resistorguide.com/fr20d02/

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