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Diodes - Rectifiers - Arrays

IRKD91/06A is a three-phase bridge rectifier in the series of diodes and rectifier arrays from a manufacturer. It combines a series of rectifier components, including three diodes in a single part, in a single package. It reduces the component count and size compared to conventional bridge rectifiers, while providing a cost-effective, highly reliable solution.

Application Field

IRKD91/06A is mainly used in small DC power supplies. It is widely used in industrial automation, communication systems and other high-power applications. It is typically applied in battery charging and power inverter systems. It can also be used in solar power and wind turbine power generating equipment as rectification component. It also can be used in direct power supply AC/DC converters.

Working Principle

The IRKD91/06A consists of three diodes forming a full-bridge rectifier. Each diode is an individual component, but multiple diodes are assembled into a single package. This lowers the component count and reduces the physical size. When the DC voltage across the two output terminals is more than the peak voltage of the AC input, the diode rectifier will open while the AC cycles. The diodes in the bridge rectifier act as a switching device, allowing current to flow through one direction and then blocking the current in the other direction. The forward currents cause a voltage drop across the diode, and the opposite direction current can be blocked. Thus, the output AC current is converted into a pulsating DC current. This DC current is usually smoothed out with a filter type circuit and then applied as the power output.

Advantages of IRKD91/06A

1. The device is able to handle large currents and provide fast response time.

2. It provides high reliability with low power consumption.

3. It is relatively less expensive and is highly efficient.

4. It has a very small form factor and is easily mounted onto PCBs.

5. The device provides good ESD protection.

Conclusion

IRKD91/06A is an advanced three-phase bridge rectifier with a low profile package which makes it an ideal choice for power supply applications. It has advantages such as being able to handle large currents and providing fast response time, high reliability with low power consumption, relatively low cost, and excellent ESD protection. Furthermore, its small form factor makes it easy to mount onto PCBs.

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