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Introduction to VF20100SG-E3/45

VF20100SG-E3/45 is a diode rectifier single product from Vishay. It is a high power stud junction Schottky barrier rectifier with a 3A forward current capacity. Vishay, one of the leading manufacturers of discrete semiconductor components and systems solutions, has prepared a series of Schottky barrier rectifiers with high power particularly suited for automotive or general power port applications. VF20100SG-E3/45 is one of them.

Main Features

• High Efficiency: The device can achieve up to 97% efficiency under proper conditions.
• Low VF: The rectifying voltage of VF20100SG-E3/45 is as low as 1.1 V typical @3 A.
• High Surge Capability: A surge rating of 40 A is achieved.
• High Frequency Operation: The device can be applied in high frequency switching mode power supplies.

Application Field

VF20100SG-E3/45 can be used in a wide range of applications such as uninterruptible power supply, telecommunication, laptop/notebook computers, automotive and consumer electronics. It can provide efficient, reliable, and cost effective solutions for rectifying power in applications requiring low voltage and high current. VF20100SG-E3/45 can effectively reduce system cost and size for motherboards.

Working Principle

VF20100SG-E3/45 is a single rectifying device which consists of an anode and a cathode. It works on both AC and DC input. When an AC signal is applied to it, the output voltage experiences 5/6 waveform, while when DC signal is applied, the output experiences only half wave. The rectifying device can be used as both full wave and half wave rectifiers. In full wave rectification, the two diagonally connected diodes provide alternate paths for the current. They allow the current to be alternately going out of and coming into the common output terminal. In half wave rectification, one diode is used to check the flow of current and allows the current to flow only in one direction. Thus, the diodes help in unidirectional flow of current.

Conclusion

VF20100SG-E3/45 from Vishay is an efficient diode single rectifier device which can be used in a variety of applications. It has high efficiency of up to 97% and high surge capability of 40A, which makes it suitable for high power applications. It is a suitable device for uninterruptible power supply, telecommunication, laptop/notebook computers, automotive, and consumer electronics. Its working principle chiefly involves alternating path for the current in full wave rectification, and unidirectional flow of current in half wave rectification.

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