IRKE91/10A

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Diodes are components that allow current to pass in only one direction. Rectifiers are a type of diode that converts an alternating current (AC) input into direct current (DC). A single rectifier, IRKE91/10A, is a unidirectional rectifier made from an epitaxial layer of silicon. It is designed for automotive applications. This article will discuss the application field and working principle of IRKE91/10A.

The IRKE91/10A is ideal for use in high-voltage, low-current DC/DC converters. It has an operating voltage (breakdown voltage) of 400V, a maximum repetitive reverse voltage of 250V, and a peak repetitive reverse voltage of 400V. Its maximum average forward current is 1A, with a peak value of 3A. The IRKE91/10A rectifier also has a reverse current of 100uA and a surge forward current of 10A. It is available in a SOT-23 package. The IRKE91/10A rectifier is used in automotive, telecommunications, and printed circuit boards.

The working principle of the IRKE91/10A rectifier is simple. When an alternating current (AC) voltage is applied to its anode and cathode, the avalanche breakdown occurs. This causes electrons to be accelerated across the junction, producing a large current from the anode side to the cathode side. During the positive half-cycle of the AC voltage, the rectifier conducts in the forward direction, allowing current to flow from the anode to the cathode. During the negative half-cycle, the rectifier conducts in the reverse direction, allowing current to flow from the cathode to the anode. This blocking of reverse current is known as rectification. The output is a DC voltage waveform with much of the unwanted AC waveform filtered out.

The IRKE91/10A rectifier has a number of advantages over other types of rectifiers. It produces a high-quality DC waveform with minimal ripple and noise. It has a low forward voltage drop, which improves efficiency. The IRKE91/10A also operates at relatively high frequencies, making it suitable for a wide range of applications.

In summary, the IRKE91/10A is a unidirectional rectifier made from an epitaxial layer of silicon. It is designed for automotive, telecommunications, and printed circuit board applications. Its operating voltage is 400V, with a maximum forward current of 1A and a surge forward current of 10A. It produces a high-quality DC waveform with minimal ripple and noise, and operates at relatively high frequencies.

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