T322D565K035AT

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor which utilizes a tantalum anode, often in conjunction with a manganese dioxide or polymer cathode. They are extremely reliable and have excellent electrical characteristics, making them suitable for use in a wide variety of applications, from consumer electronics to medical products. The T322D565K035AT is a commonly used tantalum capacitor.

Application Fields

Tantalum capacitors have a variety of uses, ranging from bypass and decoupling applications to low-profile filtering solutions in consumer electronics. They are used in the power supply circuit, signal filtering, signal bypass, and decoupling of the microcontroller, enabling data transmission and signal reception. Additionally, they are often used for computer memory backup, as well as for coupling and decoupling telecommunication and audio signal circuitries.

The low-profile design of the T322D565K035AT makes it particularly suitable for use in medical products and applications which require small devices. Its high capacitance-to-volume ratio, together with the low equivalent series resistance, ensures excellent current and energy handling capabilities. In addition, it features a high ripple current rating, making it suitable for use in oscillator, filter, and sampling circuits.

Working Principle

Tantalum capacitors operate on the principle of dielectric-filled capacitance. When an electric charge is applied to the capacitor terminals, an electrical field is created between the plates. This electric field causes a displacement of the electronic charge. As the charge continues to build up, the capacitance becomes filled and the voltage across the capacitor increases. When the voltage exceeds the breakdown voltage of the dielectric material, the charge passes through and the capacitor begins to conduct current.

Tantalum capacitors also exhibit a high self-healing capability which helps to prevent catastrophic failure. This is achieved through an anode-cathodic reaction that regenerates a damaged portion of the capacitor. As the anode and cathode materials react to form a new oxide film, the capacitor is able to recover from any internal damage.

The T322D565K035AT features an ESR of 4.3 ohms, and a maximum ripple current of 80mA. Its capacitance is 5.6µF, and its recommended working voltage is 35V. This capacitor is suitable for use in high-temperature applications and can be used in a wide range of applications that require a high ripple current rating.

Conclusion

Tantalum capacitors are a reliable and effective solution for many electrical and electronic applications. The T322D565K035AT is a commonly used tantalum capacitor which features a low-profile design and an excellent current and energy handling capability. Its high ripple current rating makes it particularly suitable for use in oscillator, filter and sampling circuits. Furthermore, it has the additional benefits of self-healing and is able to withstand temperatures of up to 125°C.

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