BAT54-D87Z Discrete Semiconductor Products

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Diodes - Rectifiers - Single

The BAT54-D87Z is a popular diode that rectifies single phase or multiple phase AC to DC. A single phase rectifier is usually used to supply low power frequency AC, such as in a power grid, or it can be used as part of a rectifying circuit in a larger appliance. Multiple phase rectifiers are used for applications where higher power is needed, such as in a commercial or industrial AC to DC power supply.

A diode is a semiconductor device, and it is made using a P-N junction, whereby a positive and a negative charge are combined in a single material. When an electric current passes through a P-N junction, an electric field is generated, which causes the flow of current to be reduced to a single direction, allowing the diode to act as a rectifier.

The BAT54-D87Z diode contains four P-N junctions and is thus referred to as a four terminal rectifier. It is distinguished from other rectifier circuits by its low reverse-recovery time and its ability to work with large currents and high voltage levels. This makes it ideal for high-power applications such as industrial power supplies.

One of the main advantages of the BAT54-D87Z is its ability to smoothly transition from AC to DC. It does this by converting its input to an efficient full bridge rectifier circuit. This rectifier circuit is composed of four main parts; the main diode, a switching transistor, an internal current-limiting capacitor and a fast recovery diode. The main diode converts the AC input to DC, while the switching transistor rapidly switches between the two input phases to provide bursts of current. The internal capacitor acts as a buffer and helps to reduce ripple voltage in the system. Lastly, the fast recovery diode prevents current surges and helps to limit the voltage spikes in the system.

The BAT54-D87Z is an ideal choice for power supply systems that require efficient, reliable DC power, such as those used in medical, automotive, industrial and aerospace applications. Its ability to work with large currents and high voltage levels allows it to be used in high-power applications, and its fast switching times and low reversing recovery times make it an ideal choice for power smoothing applications. Additionally, its four P-N junctions reduce the effects of reverse recovery time issues, allowing it to be used in circuits that require high efficiency and low power loss.

In conclusion, the BAT54-D87Z is a reliable, efficient diode that is suitable for both single and multiple phase rectifying applications. Its fast switching times and low reversing recovery times make it ideal for high-power applications, while its four P-N junctions help to reduce power loss and improve efficiency.

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