VUO68-08NO7

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Three Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	800V
Current - Average Rectified (Io):	68A
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 60A
Current - Reverse Leakage @ Vr:	40µA @ 800V
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	ECO-PAC1
Supplier Device Package:	ECO-PAC1
Base Part Number:	VUO68

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Diodes - Bridge Rectifiers: VUO68-08NO7 Application Field and Working Principle

Diodes - Bridge Rectifiers are devices used to convert alternating current (AC) to direct current (DC). They are an integral part of many different power supplies, voltage regulators and various other power control and conversion applications. The VUO68-08NO7 bridge rectifier is a family of silicon diodes that have been specifically designed for high-frequency, high-current applications and are suitable for use in switching power supplies, adjustable-speed drives and uninterruptible power supply (UPS) systems. This article will provide an overview of the application field and working principle of the VUO68-08NO7 bridge rectifier.

Application Field

The VUO68-08NO7 bridge rectifier is primarily used in high-frequency power supplies, adjustable-speed drives, and UPS systems. It is also used in motor control circuits, motor drives, and motor controllers. The VUO68-08NO7 is designed to operate in temperature ranges from -55°C to +175°C and has an operating frequency range of up to 130 kHz. It has an RMS current rating of 8A, peak current ratings up to 8A, and a maximum forward surge current up to 5A. The VUO68-08NO7 is designed with a low voltage drop (Vf) of 0.7 V, which helps reduce power losses in the power system. Additionally, it has a low forward voltage (Vf) at high temperatures, which allows for improved efficiency in the system. It also has high current density and high thermal capability for improved performance in high power application fields.

Working Principle

The VUO68-08NO7 bridge rectifier works on the principle of a four-diode bridge circuit. A four-diode bridge circuit is used to convert AC voltage from a power source into DC voltage. In this circuit, two pairs of series-connected diodes form two branches of the bridge. As the AC voltage cycle reaches its peak, one set of diodes starts to conduct and the other set of diodes is reversed-biased. This action causes a current to flow through the diode bridge, thereby producing DC current.The VUO68-08NO7 bridge rectifier operates in the same manner. However, it also has two additional protective features that make it ideal for high-frequency applications. First, the bridge rectifier has a built-in voltage clamping diode which helps to allow the device to operate over a range of input voltages without damaging it. Second, the bridge rectifier has an internal thermal shutdown which helps to reduce the number of power cycles before the device fails.

Conclusion

In conclusion, the VUO68-08NO7 bridge rectifier is an ideal choice for high-frequency and high-current applications such as power supplies, adjustable-speed drives, and UPS systems. It operates on the four-diode bridge principle, is capable of operating at high frequencies, and has built-in protective features such as voltage clamping and thermal shutdown. The VUO68-08NO7 is also designed to operate in a wide temperature range and is suitable for use in a variety of power systems.

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