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Diodes - Rectifiers - Single

CDBC320LR-HF is a high frequency kind of rectifier diode, manufactured by C&D Technologies, Inc. It comes in a DO-204AA outline with a stud mount, designed for line frequency applications. This is a 600 V, 3 A, Hi-Rel low leakage current surface mount rectifier, specifically designed for systems where high frequency and high surge requirements are necessary. It provides very low forward voltage drop and its wide frequency application range makes it a great choice for diode rectification in numerous applications.

Application field

CDBC320LR-HF rectifier diodes are generally used for frequency conversion applications such as motor drives, turbochargers, alternators and electrical power lines. It is also a suitable choice for several other power distribution applications, such as RF energy harvesting, high frequency power supplies, and radio frequency applications. Due to its Hi-Rel low leakage current surface mount design, it offers greater protection, as well as better performance in terms of reliability and stability in harsh environments.Working principle

CDBC320LR-HF operates in two modes, conduction mode and reverse blocking mode. In conduction mode, the device has a low forward voltage drop and hence it is able to draw and keep the DC current for a conduction and it passes the current through even at very high frequency ranges. For example, if the input waveform is a sinusoidal wave, the diode will draw the current from the alternator input waveform. In the reverse blocking mode, the device will not allow the current to pass and it blocks the DC current from passing in the opposite direction. This blocking effect helps to maintain the stability of the circuit.

The device is equipped with high isolation ratings and it offers a high surge current capability, which makes it a great choice for rectification applications in which very high currents are needed. This is especially true for applications where noise and high inrush currents are expected.

In addition, CDBC320LR-HF rectifier diodes are designed with special features, such as reverse leakage current, transient thermal response time, high temperature derating and low on-state voltage drops. This allows the device to be used in many areas and applications in which efficiency is paramount.

Conclusion

CDBC320LR-HF rectifier diodes are a great option for many applications due to its wide frequency application range, low forward voltage drop and robust design. This makes it a great choice for rectification in harsh environments, in which very high currents are needed. It offers the performance, reliability and stability needed in a variety of applications.

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