T491B685K010ATAUTO7280

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T491B685K010AT is a tantalum capacitor developed by Autonomy, an American manufacturer of advanced semiconductor components. This device is designed to provide high frequency and high temperature operation, as well as advanced protection against excessive ripple current, over-voltage, and reverse current protection. The capacitor is capable of automatically increasing or decreasing its capacitance in response to changes in operating temperature or line current conditions. It also offers a variety of design features for enhanced reliability and performance.

The various features of the Autonomy T491B685K010AT create numerous application fields for the device. In particular, it can be used for power conditioning and buffering in automotive, industrial, and medical applications. Additionally, the device offers a low ESR and ESL, making it suitable for high-frequency applications such as SMPS, high voltage rectification, DC-DC converters, PFC, and active filters. The capacitor is also a good choice for use in plasma display panel (PDP) systems, motor drive circuits, high-energy storage, and other high-voltage control circuits.

The working principle of the Autonomy T491B685K010AT is based on its ability to store energy in the form of charge on the capacitor plates. When a voltage is applied to the device, the plates hold a charge, which is measured in Farads. As the voltage on the device increases, the capacitor plates hold less charge, resulting in a decrease in capacitance. Similarly, when the voltage decreases, the capacitor plates hold more charge, resulting in an increase in capacitance.

In order to operate correctly, the Autonomy T491B685K010AT requires a circuit to provide a steady voltage to the device. Additionally, an external resistor is required to provide an impedance match to the device. This is necessary to ensure that the operating temperature and line conditions do not affect the device’s capacitance. This configuration allows the device to accurately increase or decrease its capacitance as required, while maintaining its reliability and performance.

The Autonomy T491B685K010AT is a high-performance tantalum capacitor, designed for use in a variety of automotive, industrial, and medical applications. Its low ESR and ESL allow for high-frequency operation, while its ability to automatically adjust its capacitance ensures reliable protection against excessive ripple current, over-voltage, and reverse current protection. Additionally, its design features provide enhanced reliability and performance. All these features make the Autonomy T491B685K010AT an ideal choice for a wide range of application fields.

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