MB352W Discrete Semiconductor Products

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Bridge rectifiers are special types of diodes that are used to direct alternating current (AC) so that it creates a single-direction current (direct current or DC) to be used in many applications including power supplies and other electrical circuits. The MB352W bridge rectifier is a unique device that adds further safety and reliability to applications by integrating thermal shutdown protection, overcurent protection, and overvoltage protection into a single package.

The construction of the MB352W bridge rectifier consists of four diodes arranged in a bridge network so that each of the four output terminals provide an opposite polarity from the other. This creates the single direction current when an input AC signal is supplied to the central connection points on the bridge. The input AC signals can range from an input voltage of 5V to 350V with a maximum rectified output voltage of 600V. The maximum current of the MB352W is 8A with a 25°C ambient temperature.

The overcurrent protection of the MB352W is integrated by including two temperature dependent resistors in series with the output terminals. If the current flowing is greater than 8A, then the power of the resistors will increase which will cause an increase in temperature. This increase in temperature will trip the thermal shutdown device, resulting in the bridge rectifier shutting off. This ensures that the bridge rectifier does not fail due to a sudden overcurrent load.

The overvoltage protection of the MB352W is integrated with the over-temperature shut down feature. The overvoltage protection will shut off the MB352W if the voltage is over 600V. Additionally, the over-temperature shut down feature can be triggered with an increase in ambient temperature – when the temperature increases, the power of the temperature dependent resistors will increase, which will then cause the thermal shutdown device to be triggered.

The MB352W bridge rectifier finds use in a wide range of applications, such as regulating power supplies, adapters and other electrical circuits. In power supplies, the MB352W rectifier can be used to convert alternating current (AC) voltage to a steady direct current (DC) voltage while regulating the output voltage in such a way that it maximizes the performance and reliability of the power supply. Similarly, the bridge rectifier can be used in other types of electrical circuits to regulate voltage for increased reliability and performance.

The MB352W bridge rectifier is an incredibly reliable device due to the overcurrent protection and overvoltage protection features that are integrated into the package. This ensures that the MB352W will shut off if the current or voltage become too great, preventing any damage from occurring to the device. The wide range of applications and the wide range of input and output voltages make the MB352W bridge rectifier an ideal device for many different electrical applications.

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