UFT20140A

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The UFT20140A rectifier diode array is a device used for the conversion of AC power to DC power. It is a two-terminal four-pack device consisting of two inverse parallel Schottky diodes and two lower forward biased Schottky diodes in a single package. This device is designed to provide bidirectional AC voltage conversion in applications needing high efficiency and low temperature rise.

The UFT20140A rectifier diode array features a surge peak current rating up to 3.2A and an average current rating of 0.7A. These robust levels of current handling make it suitable for many AC-DC conversion applications including battery charging, power inverters, and AC/DC power supplies.

The UFT20140A rectifier diode array has a low forward voltage drop of 0.6V, and a maximum reverse voltage of 40V. The operating temperature range is between -40 °C to +125°C, making it an ideal choice for harsher industrial environments. The diode has an improved thermal resistance of 3°C/W, lower than standard 5°C/W, allowing for a more efficient power conversion with less heat generation.

The working principle of the UFT20140A rectifier diode array is based on its Schottky diodes and their inverse parallel configuration. Schottky diodes are a form of diode that has a lower forward voltage than other regular diodes, resulting in a higher efficiency when rectifying AC power. During the positive input cycle, the two inverse parallel Schottkys will both be forward biased, while the two lower forward biased Schottkys will both be reverse biased. This provides a very low voltage drop, enabling high efficiency power conversion in the AC to DC direction. During the negative input cycle, the two inverse parallel Schottkys will be reverse biased, while the lower forward biased Schottkys will be forward biased. This prevents any reverse current flow and allows for bidirectional power conversion.

The UFT20140A rectifier diode array is an ideal choice for high efficiency AC-DC power conversion applications. Its robust current handling makes it suitable for a wide range of applications in harsh industrial environments. The inverse parallel configuration of Schottky diodes allows for fast switch times and low voltage drops, enabling high efficiency power conversion in the AC to DC direction. The device also features an improved thermal resistance, allowing for more efficient power conversion with less heat generation.

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