T86D686K016ESAL

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Tantalum capacitors, also known as tantalum electrolytic capacitors, are polarized capacitors whose anode (positively charged electrode) is made of a sintered form of tantalum powder. The tantalum capacitors have several advantages : they feature low ESR (Equivalent Series Resistance) , high capacitance, small size, solid construction and long-term stability. The T86D686K016ESAL type of capacitor is one of the most commonly used in this family of capacitors.

The T86D686K016ESAL is a chip type capacitor, which is made to be as small as possible. The small size is helpful for applications that require a lot of space savings, such as cell phones, computers and other portable devices. The capacitance value of the T86D686K016ESAL is 6.8uF, and its rated voltage is 6.3V. Typically, this voltage rating is well suited for active filtering applications such as power supplies and low power DC to DC converters.

The T86D686K016ESAL capacitor is ideal for situations that require pulse bypass or smoothing applications due to its high capacitance and small ESL (equivalent series inductance) values. Furthermore, this capacitor is capable of low ESR values even at high operating temperatures, allowing it to take on more specialized roles such as in DC-DC converters, computer peripherals, personal digital assistants, and even audio amplifiers.

The working principle of the T86D686K016ESAL is simple. When an electric field is applied to the capacitor, electrons are attracted to the negative electrode plate, leaving the positive plate with a net positive charge. This charge separation creates an electric field between the two oppositely charged plates. The amount of charge stored depends on the amount of voltage applied and is proportional to the capacitance of the capacitor. As the voltage increases, the capacitor charges up to the maximum specified voltage.

For the application of the T86D686K016ESAL in a DC-DC converter, it is necessary to know the parasitic elements of the capacitor prior to its installation. For example, the Equivalent Series Resistance (ESR) of the capacitor is an important factor to consider, as this affects how quickly the capacitor can charge and for how long. A low ESR capacitor will charge quickly and provide a slightly higher amount of ripple current, while a higher ESR capacitor will take longer to charge and may cause more ripple current.

It is also important to know the capacitor’s equivalent series inductance (ESL) before using it in an application. This value will determine how quickly the capacitor can charge up during switch transitions, as well as how well the capacitor performs at higher frequencies. A low ESL capacitor will charge up more quickly and perform better at higher frequencies, whereas a higher ESL capacitor may take more time to charge up and may not provide the best performance at higher frequencies.

Finally, the physical shape of the capacitor will also affect the performance of the capacitor. For example, the size of the package can limit the capacitance of the capacitor. If the package size is too small, the capacitance will be limited and the capacitor will not be able to store a large amount of energy. A larger package may allow for more capacitance, but may require more board space and higher cost.

In conclusion, the T86D686K016ESAL capacitor is an ideal choice for use in high voltage, low power, and pulse bypass applications due to its high capacitance, small size, and low ESR. Its working principle is designed to provide low ESR values at higher temperatures, while its physical parameters make it suitable for a wide range of applications. The T86D686K016ESAL is also relatively affordable and easily accessible, making it a great option for many design projects.

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