T86D226M020ESSL

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Tantalum Capacitors

Tantalum capacitors use the properties of the element tantalum to store energy. They are commonly used in computers, electronic equipment, and power supplies where their excellent temperature stability, high current resistance, and long life make them an ideal choice. The T86D226M020ESSL is one type of tantalum capacitor, commonly used in high-voltage applications.

One of the advantages of using tantalum capacitors is their high capacitance values. Unlike traditional ceramic capacitors, which are limited to a few microfarads, tantalum capacitors can have capacitance amounts as high as 20,000 µF. This makes them particularly attractive for use in power supplies that require large amounts of power, as well as in high-precision applications where paracitic capacitance is a major factor.

Tantalum capacitors are alsostable over a wide range of temperatures, making them a good choice for applications where the environment is unstable. Their low ESR and ESL characteristics also make them a good choice for high frequency applications. As with any other types of capacitors, however, their capacitance will vary over temperature.

Application Field

The T86D226M020ESSL is a high temperature, wet tantalum capacitor suitable for high voltage applications. Due to their high capacitance values, these capacitors are primarily intended for use in power supplies, specifically for primary side filtering in computer and consumer electronics systems. They are also commonly used in automotive, medical, and industrial applications where their high storage capacitance and temperature stability make them an optimal choice.

Working Principle

Like other types of capacitors, the T86D226M020ESSL tantalum capacitor works by storing charge in an electrostatic field formed between the two poles of the capacitor- the anode and the cathode. The charge is built up when a voltage is applied to the capacitor, and it is released when the capacitor is discharged. Due to the nature of tantalum capacitors, the stored charge is largely independent of environmental conditions such as temperature, vibration, or pressure. Therefore, these capacitors can reliably store an electrical charge even when subjected to extreme environmental conditions.

When designing a system with this type of capacitor, it is important to consider the capacitance value, parasitic elements, and operating temperature. Due to the high capacitance values of tantalum capacitors, they are more prone to leakage current than other types of capacitors. As such, it is important to keep the operating temperature as low as possible and to use suitable bypass capacitors to reduce ESR and ESL. In addition, it should be noted that the capacitance values of tantalum capacitors can vary significantly over temperature.

In conclusion, the T86D226M020ESSL is an excellent choice for high voltage applications due to its high capacitance values and excellent temperature stability. Its relatively high leakage current should be kept in mind when designing a system, and it should be paired with suitable bypass capacitors to reduce parasitic elements such as ESR and ESL. By choosing the correct application and correctly designing the system, the T86D226M020ESSL can provide reliable power delivery for a multitude of high-voltage applications.

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