BAV21,143

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The BAV21, 143 diode is a member of the single rectifier diode class, commonly utilized in a broad range of applications. This article will explain the working principle behind this type of single rectifier, and then outline the most common application fields of the BAV21, 143.

Overview

The BAV21, 143 is a high power, single rectifier diode, capable of withstanding higher voltages and higher current than smaller, signal diodes. It is also suitable for higher temperature ranges and for withstanding high-frequency exposure due to its high temperature coefficient. Its larger physical size and higher breakdown voltage rating also make it a great choice for automotive power applications.

In many cases, the BAV21, 143 is often used to provide high-voltage protection for electronic circuits. Its reverse breakdown voltage also ensures rapid break-over times in circuitry. It is also used as a low-dissipation rectifier in power applications.

Working Principle

The BAV21, 143 is a single rectifier diode, which operates on the same basic principle as other diodes. A flow of electric current is introduced to the anode side of the diode, and then the current travels over a reverse-biased P-N junction on the opposite side of the diode. As a result, the diode produces a forward voltage drop, allowing only one direction of current to pass.

The BAV21, 143 diode build on this basic principle, adding an additional layer of protection against current in the reverse direction. A higher breakdown voltage rating and a lower reverse leakage current make this type of diode suitable for higher voltage and current applications, with the added advantage that the larger size of the diode provides more thermal protection in high temperatures.

Application Fields

The BAV21, 143 diode is typically used for a wide range of applications, including those in the automotive, telecommunications, industrial and consumer electronics fields. It is often used in automotive power converters, rectifiers and other current control devices, where its high temperature resistance, high reverse leakage current and low-dissipation forward voltage drop are especially advantageous.

The BAV21, 143 is also utilized in many consumer electronics appliances, such as television sets and digital video recorders, to control current in power converters. It can also be used as a rectifier for DC-DC conversion in telecom power supplies, as well as for high-efficiency converters for solar and LED lighting.

Conclusion

The BAV21, 143 diode is a single rectifier type, designed for high power applications and with a wide range of applications. Its large size and higher breakdown voltage ratings make it suitable for high voltage, high current applications. The lower reverse leakage current also ensures greater protection in forward current applications. The BAV21, 143 is typically used in many different application fields, such as automotive, telecommunications, industrial and consumer electronics.

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