124NQ035-1

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A diode is a device that is used to convert alternating current (AC) electricity into direct current (DC) electricity. It is an electrical two-terminal device that has an anode and a cathode, and the direction of current is dependent on the polarity of the voltage applied to the device. The 124NQ035-1 is a single-phase bridge rectifier, also known as a Fast Rectifier, included in the group of single-phase diodes.

The application field of 124NQ035-1 can be used in various DC power supply systems so as to obtain full-wave rectification. As a single phase bridge rectifier, it is typically used to convert AC electrical power to DC electrical power, however it may be used for a variety of other duties, for example for finding an average current in the middle of a cycle, or for switching.

This rectifier consists of four main diodes that are connected in a bridge arrangement. This means that the anode of one diode is connected to the cathode of the other, which forms the bridge of the circuit. This bridge arrangement requires two DC voltages on opposite polarity to forward bias each diode.

To understand how the 124NQ035-1 works, we first must understand how a normal diode works. Of its two terminals, a typical conventional diode allows current to flow in only one direction when the anode side is forward biased. When conducting, the diode drops only a small voltage across its terminals (typically about 0.7 volts). Conversely, a reverse biased diode does not conduct current, and the voltage across its terminals increases almost immediately.

The 124NQ035-1 is designed to provide full wave rectification of an AC signal. The four diodes in the rectifier are arranged as a bridge, creating four junctions compared to two found in a conventional diode. The bridge rectifier takes advantage of the two DC voltages being applied to opposite polarities, creating the formation of the rectifier’s bridge. This arrangement allows the bridge rectifier to use both the positive and negative half-cycles of the AC waveform and convert it into a full wave rectified current having both positive and negative cycles.

In terms of performance, the 124NQ035-1 has some key specifications so as to make it useful in various DC power supply systems. These include a average forward current of 35A, a peak forward current of 180A, a reverse voltage of 400V for 200ms with a surge reverse voltage of 800V and a power dissipation of 50W. Moreover, the diode has a minimum recovery time of 25μs, a minimum reverse current of 100μA, a total capacitance of 0.25nF and an operating temperature of 25-90 degrees Celsius.

In conclusion, the 124NQ035-1 is a single-phase bridge rectifier, included in the group of single-phase diodes, which is equipped with advanced features to make it suitable for use in various DC power supply systems. The device allows full wave rectification of an AC signal, and can offer a variety of features such as an average forward current of 35A, a peak forward current of 180A, a minimum recovery time of 25μs, a minimum reverse current of 100μA, a total capacitance of 0.25nF, and a power dissipation of 50W. By relying on its bridge rectifier design, the 124NQ035-1 is able to make the most of both the positive and negative half-cycles of the waveform, allowing for full wave rectification.

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