T322B685K015AT

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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are polarized capacitors with a dielectric material from manganese dioxide or an polymer surface electrode. It is popular because of its small size, large capacitance, good high-frequency characteristics and low self-inductance.

The T322B685K015AT is a type of tantalum surface mount capacitor. It has a rated capacitance of 22μF and high ripple current of 3.2A. It has a voltage rating of 6.3V (working voltage of 6.9V) with a max operational temperature of +105℃.

Application Field and Working Principle

Tantalum capacitors like the T322B685K015AT can be applied in various fields due to their features and characteristics. It is ideal for use in consumer appliances, automotive electronics, and particularly in notebook computers and cellphones. This capacitor has excellent features such as low ESR (equivalent series resistance), higher ripple current, higher volumetric efficiency, quicker installation and longer life.

The capability of the T322B685K015AT capacitor is based on its principle of operation. This capacitor functions according to the electrochemical capacitor or electrolytic capacitor principle, which involves two electrodes between which the capacitor capacitance is created. The charge moved between the two electrodes is stored in a conducting solid or liquid electrolyte. The positive-negative potential between the two electrodes acts as an electrical double-layer on the surface of the electrode. This produces a capacitance which is dependent on the number of surface layers and their size, and is independent of the thickness of the layers.

The T322B685K015AT capacitor has a maximum working voltage of 6.9V, which needs to be respected when making use of it this capacitor. Exceeding the voltage limit can cause electrolysis-induced gas generation, leading to self-destruction of the device. This electrolytic capacitor should not be used in reverse polarity.

The T322B685K015AT capacitor also comes with a standard interpretation of capacitance loss characteristics, where the capacitor\'s capacitance is determined by the applied voltage, temperature and frequency of use. To ensure the reliability and durability of this capacitor, its temperature should not be exceeded or the maximum operating temperature rating of +105℃.

To make use of this tantalum capacitor in the best possible way, it is important to adhere to certain precautions related to over-voltage and over-current conditions, capacitance variation, internal resistance, and fan-out. Over-voltage conditions should be avoided and the capacitor should be adequately cooled if needed. When working with this capacitor, it is always important to adequately observe the manufacturer guidelines.

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