SRAF820 C0G

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SRAF820 C0G Application Field and Working Principle

The SRAF820 C0G is a diode rectifier manufactured by Vishay that is specifically designed for the automotive industry. This device is manufactured with an integrated charge pump and low inductance bridge rectifier structure, which provides an extremely robust and reliable design.

This device is used primarily in automotive applications and is suitable for multiple applications such as alternator charging systems, charging circuits, ECUs, power switching, etc. This diode rectifier provides protection against voltage jumps, overloading situations, as well as overvoltage conditions that are often seen in automotive environments. It also provides robust protection against electromagnetic interference.

Application Field

The SRAF820 C0G is mainly utilized in automotive charging systems, in particular alternator charging systems. It is used in both conventional and regenerative braking systems, providing an effective protection against short circuit and overload conditions. This device is also used in DC-DC converters, switching regulators, and power supply circuits. This diode rectifier can also be used in automotive power management systems.

This device is also suitable in applications where high-speed switching operations are required, such as in automotive ECUs and power switching circuits. This diode rectifier features a low on-state resistance, which allows it to be used in high-performance applications requiring better than average power dissipation.

Working Principle

The SRAF820 C0G is a general-purpose diode rectifier, consisting of a bridge rectifier integrated with a charge pump. The device is designed to provide high-speed switching operations between two nodes. It features a low on-state resistance and a high reverse voltage breakdown voltage.

The device works by allowing current to flow unidirectionally in one direction, while blocking current in the opposite direction. The integrated charge pump helps to reduce any losses due to the dissipated heat, as well as reduce the power losses caused by reverse current flow. The low on-state resistance also helps to reduce power consumption.

The device has two input terminals and two output terminals, where the current is directed. The input terminals are connected to the source, while the output terminals are connected to the load. When the source voltage is higher than the load voltage, the bridge rectifier allows the current to flow from the source to the load. When the source voltage is lower than the load voltage, the bridge rectifier blocks the current.

The SRAF820 C0G is designed to provide robust protection for automotive applications. It is able to withstand voltage jumps, overvoltage conditions, and electromagnetic interference. It also features a low inductance bridge rectifier structure which helps to reduce power losses caused by reverse current flow.

Conclusion

The SRAF820 C0G is a general-purpose diode rectifier consisting of a bridge rectifier and a charge pump. It is mainly used in automotive applications such as alternator charging systems, DC-DC converters, power switching circuits, and ECUs. The integrated charge pump helps to reduce power losses caused by reverse current flow, while the low on-state resistance helps to reduce power consumption. The device is able to withstand voltage jumps, overvoltage conditions, and electromagnetic interference making it suitable for use in a wide range of automotive applications.

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