SBR2

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	200V
Current - Average Rectified (Io):	1.5A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 1A
Current - Reverse Leakage @ Vr:	2µA @ 200V
Operating Temperature:	--
Mounting Type:	Through Hole
Package / Case:	--
Supplier Device Package:	--

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Introduction

Bridge rectifiers, also known as silicon bridge rectifiers, are electrical components made up of an arrangement of four or more diodes which provide half wave, and/or full wave rectification in power electronic circuits. Bridge rectifiers take one phase AC input voltage and produce an output voltage waveform which is a full-wave rectified DC waveform. They are used to convert AC to DC and to control the voltage leading from the AC source to the DC load or end product.Bridge rectifiers have a wide range of applications, from small electronics and telecommunications to heavy-duty industrial equipment and commercial power supplies. They are used to convert alternating current (AC) to direct current (DC), providing power for devices such as motors, pumps, and computers. By depending on the characteristics of semiconductor diodes, SBR (Silicon Bridge Rectifiers) circuit is used to produce a full wave DC current from AC input.

SBR2 application field and working principle

The SBR2 bridge rectifier has become an increasingly popular choice for applications such as automotive, general purpose, and audio-video equipment. It is a two-terminal, full-wave rectifier. It has both positive and negative AC inputs, and an output terminal that provides DC voltage. This type of bridge rectifier is available in a variety of voltages, currents, mounting styles and circuit configurations. In its simplest form, the SBR2 consists of two diodes connected as a bridge, with the AC input applied to one side of the bridge, and the output taken from the other. As the AC cycle reaches its peak, one of the diodes conducts and the voltage is applied to the output. As the cycle goes below the zero line, the diode swaps from one side to the other and the voltage is still applied to the output. This bridge can then be used to convert an AC input to a DC output. The SBR2 bridge rectifier is suitable for use with higher powered applications than its single diode counterpart. It is easier to use and is more efficient, creating a more consistent output voltage. Additionally, the SBR2 is designed to withstand overvoltage spikes better than a single diode bridge rectifier.

Advantages and Disadvantages

The SBR2 bridge rectifier offers a number of advantages to its users, such as its ability to provide a full wave AC to DC transformation, allowing it to deliver more power from a given AC input. The SBR2 also eliminates harmonic distortions and reduces power dissipation. This bridge requires less of a physical space than conventional full wave bridges and provides solid-state reliability. On the other hand, the SBR2 does have some drawbacks when compared to other types of rectifiers. Since it provides full wave rectification, the peak inverse voltage (PIV) of the device is twice that of a single diode rectifier. When compared to three-phase rectifiers, the SBR2 has lower efficiency, as they require two diodes while a three-phase rectifier only requires six. Additionally, the SBR2 is more expensive than its counterparts, and is often limited to low frequencies and currents.

Conclusion

The SBR2 Bridge Rectifier is a versatile and reliable component used to transform AC to DC. It is widely employed in applications ranging from automotive to audio-video equipment. Its advantages include providing a steady output voltage, improved reliability, low power dissipation and less physical space required. However, these benefits come at the expense of increased peak inverse voltage, lower efficiency, and higher cost.

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