CD214B-B360R

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Modern electronic circuits often rely heavily on active components like transistors, vacuum tubes, and integrated circuits, but diode rectifiers - single or multiple - still play an important role in many applications. One such example is the CD214B-B360R, a popular and versatile three-phase bridge rectifier suitable for a wide range of AC to DC power conversion needs. This article will explain the general application field and working principle of the CD214B-B360R.

General Application Field

The CD214B-B360R is a full-wave three-phase diode bridge rectifier that is used to convert AC power to DC power. This type of rectifier is commonly found in industrial and commercial power electronics applications, including variable speed drives, power supplies, and industrial control systems. The full-wave bridge allows the CD214B-B360R to produce a higher voltage, higher current, and smoother DC power output than a single-phase rectifier.

The CD214B-B360R is rated for use up to 600V AC input voltage and can provide up to 7.2A of output current. It has two operating temperatures: -40 to +85C for commercial applications and -55 to +125C for industrial applications. The diode bridge is encapsulated into a robust and compact material (diameter=37mm, height=37mm) that provides a high level of protection from dust, moisture, and vibration.

Working Principle

The CD214B-B360R is formed by six diodes - three designated as the "Anode" and three designated as the "Cathode" - connected in a three-phase bridge configuration. The three-phase AC input is applied to the diode bridge, with the Anode being connected to the positive side of each phase and the Cathode being connected to the negative side of each phase. When the input voltage rises, the Anode of the first diode in the bridge starts to conduct and allows current to flow from the positive side through to the Cathode. When the input voltage reaches the peak, the second Anode starts to conduct and the first Anode turns off. This process is repeated for the remaining four diodes, resulting in a full-wave rectified sine wave.

The CD214B-B360R is designed to be a high-efficiency bridge rectifier that provides a DC output voltage with a high degree of accuracy. The output voltage is limited by the individual diode voltage drops, which are typically 0.46V for the CD214B-B360R. The output voltage ripple is also limited by the individual diode drop and is typically in the range of 5mV-10mV RMS. This makes the CD214B-B360R a suitable choice for precision AC to DC power conversion applications.

Conclusion

The CD214B-B360R is a versatile three-phase bridge rectifier suitable for a wide range of AC to DC power conversion needs. It is commonly used in industrial and commercial power electronics applications such as variable speed drives, power supplies, and industrial control systems. The diode bridge is capable of providing a full-wave rectified sine wave with high accuracy and low output voltage ripple. With its small form factor and robust encapsulation, the CD214B-B360R is a reliable choice for efficient power conversion.

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