MUR420HA0G

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Diodes-Rectifiers-Single is a classification of diodes and it is used in various circuits and electrical equipment for the purpose of providing a unidirectional path for current. MUR420HA0G is such a device that falls under this classification. An overview of its application field and working principle is presented in this write-up.

The MUR420HA0G is an axial leaded, 400V/2A, ultrafast-recovery diode. It is manufactured by SHARP ELECTRONICS Corporation and is widely used due to its low forward voltage drop and high switching speed. This particular type of rectifier has an on-state voltage of approximately 0.55V and the reverse recovery time is 33 nsec. It features a double sided Epoxy coating, which helps to prevent reverse leakage and prolongs its life expectancy in harsh environments.

The MUR420HA0G is used mainly in power-supply circuits, DC-DC converters, inverters, switching regulators, television receivers, and other similar products. It is also used in power circuits of audio amplifiers, video cassette recorders, air-conditioners, office automation equipment, and various other appliances. These diodes are often used in parallel with a reverse Schottky diode to provide greater current capability.

When it comes to its working principle, the MUR420HA0G functions by using its intrinsic junction in order to block the current conduction in one direction while allowing the current to flow in the other. This is referred to as a diode\'s rectifying property. When the forward voltage exceeds the reverse breakover voltage, the MUR420HA0G begins conducting current and operates as a switching device. As the forward voltage on the device exceeds the initial breakover voltage, a voltage drop appears at the terminals thus destroying the reverse breakover. This is what allows for the current to flow in both directions, making the device a rectifier.

The MUR420HA0G is also capable of withstanding high junction temperatures, making it suitable for use in critical applications. Its high switching speed enables it to quickly switch from one voltage level to another, making it suitable for use in applications where fast and accurate operation is required. Additionally, its low on-state voltage ensures that it can transfer more power and eliminates the possibility of creating a high spike in the power supply voltage when the diode is activated.

In conclusion, the MUR420HA0G is a valuable tool and suitable for many applications. Its low forward voltage drop and high switching speed make it ideal for providing a unidirectional path for current. Its ability to withstand high temperatures as well as its low on-state voltage have allowed it to become one of the most widely used rectifiers in the world.

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