GBU806-G

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	600V
Current - Average Rectified (Io):	8A
Voltage - Forward (Vf) (Max) @ If:	1V @ 4A
Current - Reverse Leakage @ Vr:	10µA @ 600V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-SIP, GBU
Supplier Device Package:	GBU
Base Part Number:	GBU806

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GBU806-G Application Field and Working Principle

Diodes are essential components in electronic circuits for controlling the magnitude, frequency, and other properties of an electronic output signal. Among the diode components, bridge rectifier is one of the most widely used power converters which rectifies the AC power to DC power. GBU806-G is a bridge rectifier which is a four terminal device in which two of the terminals are connected to an external AC power source, and the other two are attached to the DC output.

Parity and Application Field

The GBU806-G bridge rectifier has a total of 8 pins arranged in a full wave arrangement. It consists of eight parallel pairs of Forward Blocking Switching (FBS) thyristors designed to provide low losses by allowing the surge current of up to 67A to pass through it without exceeding the maximum on-state voltage. Its maximum Reverse Repetitive Working Voltage is 800V, which is the maximum DC output voltage for which it is suitable. It is intended for use in the applications of Uninterruptible Power Supply (UPS) Systems, Traction Systems, Welding Machines, Photovoltaic Inverters, Motor Control, Medical Equipment, and pumps, among others.

Working Principle

The working principle of GBU806-G bridge rectifier is based on the fact that when two solutions are connected in a loop, an applied alternating voltage will cause current to flow in one direction and then the other direction alternately. This is because when the applied voltage is positive, the diode passes current, but during the negative cycle, it blocks the current. Thus, the output has only one peak, so the bridge rectifier converts the alternating current to pulsating direct current over a single half cycle, making it suitable for use in Converter applications. The current through each arm of the bridge is provided by two FBS thyristors connected in series. When the positive input voltage is positive, the thyristor on the left will conduct and current will flow, and when the input voltage becomes negative, the thyristor on the right will conduct. This helps the bridge rectifier to continuously rectify the signal, regardless of its frequency.

Advantages

GBU806-G bridge rectifier has a wide range of advantages over other types of power converters such as low on-state conduction loss, high switching speed, high surge capability, and reliable operation. It provides a stable output voltage with a low ripple, which makes it suitable for sensitive applications. Furthermore, its low jitter control feature is beneficial for applications such as automotive systems. Lastly, it is also very cost effective due to the diode components which can be integrated into chips. In conclusion, the GBU806-G is a bridge rectifier which benefits from high surge capability, low on-state conduction loss, and high switching speed. It is suitable for use in a variety of power converter applications due to its stable output voltage and low ripple. Additionally, its cost-effectiveness and reliability make it an ideal choice for many applications.

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