MB10S Discrete Semiconductor Products

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Diodes - Bridge Rectifiers

The MB10S is a type of diode bridge rectifier, distinguished from other diode rectifiers because of its four-terminal connections. This type of bridge rectifier finds many applications in various electronic circuits. The bridge rectifiers of this series have very low power losses since the anode-cathode voltage drop is very low. In order to protect against damage due to reverse voltage or overload, these bridge rectifiers also have a voltage regulator.

A bridge rectifier is an electrical device consisting of four diodes connected in a bridge formation. It is used widely in power supplies and other electrical circuits to change alternating current to direct current. It can accommodate changes in the power line frequency and power amplitude without a noticeable effect in the output.

The construction of a bridge rectifier is simple, consisting of four diodes connected in an H shape. When an alternating voltage, such as a sine wave, is applied to the terminals of the device, the two diodes on the left side of the bridge will conduct, allowing a current to flow in one direction. The two diodes on the right side of the bridge then become reverse-biased, blocking any further current. When the alternating voltage reverses its polarity, the other two diodes become forward-biased and the current is allowed to flow in the same direction.

In applications where AC is converted to DC, the requirement for the four diodes of a bridge rectifier is to carry the current from the input and to rectify it before it is outputted. This is done by permitting alternating current to flow in the forward direction and blocking in the reverse direction. This happens at during the negative half of the AC waveform.

The MB10S bridge rectifier also has a voltage regulator to protect against damage due to reverse voltage or overload. The bridge rectifier is made up of two parts, the thermistor network and a temperature sensing system. The thermistor network acts as a switch, allowing the voltage regulator to limit unwanted current surges while allowing steady current at the desired output voltage. The temperature sensing system consists of a thermistor and a potentiometer that act as a temperature controlled voltage regulator.

The MB10S bridge rectifier is used in a variety of applications, including television receivers, motor drives, AC to DC converting circuits, and switching power supplies. In these applications, it is necessary to convert an alternating current waveform to a direct current waveform, and the bridge rectifier is an ideal solution for this task. It can provide a high-efficiency, reliable source of regulated power.

The MB10S bridge rectifier is a reliable and efficient power source for a variety of electronic circuits. Its four terminals and low power loss anode-cathode voltage drop make it suitable for use in many applications. Its temperature sensing system and voltage regulator also provide protection against reverse voltage and overload, ensuring that the rectifier will provide a reliable power source.

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