GBU8005-G

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Diodes - Bridge Rectifiers

Bridge rectifiers are power electronic devices employed to rectify alternating current (AC) into direct current (DC). They are commonly used in applications where the supplies are based on AC sources, as an efficient way to convert it into DC. The GBU8005-G is one of these rectifiers and its application and functioning principle can be described below.

Application of the GBU8005-G Rectifier

The GBU8005-G bridge rectifier is a bi-directional device and is suitable for general purpose applications. It has an operating temperature range from -55°C to 150°C, allowing it to be used in a variety of applications from consumer electronic to industrial applications. The device is ideal for use in high-power pulsed applications, due to its low forward voltage drop and low reverse recovery time. The rectifier is widely used as an AC-DC converter in power supplies, especially in applications such as computer monitors, LCD TV and LCD monitors.

Working Principle of the GBU8005-G Rectifier

The bridge rectifier circuit consists of four diodes and operates on the principle of diode rectification. During the positive half cycle of the AC voltage, the upper diodes D1 and D2 conduct, while the lower diodes D3 and D4 are reverse biased. At the same time, the lower ends A and C are negative with respect to the middle point B. Now the current flows from A to B through D1, and from C to B through D2. During the negative half cycle of the AC voltage, the upper diodes D1 and D2 will be reverse biased, while D3 and D4 will be forward biased. Thus, now the current flows from B to A through D3, and from B to C through D4. In this way, a full-wave rectified voltage is obtained across the load.

The GBU8005-G rectifier utilizes four Schottky barrier diodes in a bridge configuration to provide an efficient rectification. The Schottky barrier diodes have the added advantage of very low speeds operating at higher frequencies. The device features temperature resistant solder connections, capable of withstanding temperatures up to 240°C. The device’s low forward voltage drop and low reverse recovery time allows it to be used in high power pulsed applications such as motor drives, power supplies and uninterruptible power supplies (UPS).

Conclusion

The GBU8005-G bridge rectifier is a powerful tool to convert AC current into DC current and is well suited for a large range of consumer electronics and industrial applications. Its low forward voltage drop and low reverse recovery time make it ideal for high-power pulsed applications. This rectification device is designed to offer reliable operation under both normal and extreme conditions.

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