T491B106K025AT Capacitors

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T491B106K025AT is a type of tantalum capacitors.

Tantalum capacitors are one of the most commonly used types of capacitors. They are recognized for their high reliability, long lifetimes, low losses, and excellent temperature stability. Tantalum capacitors are used in a wide range of applications, from consumer goods to military and aerospace applications.

The T491B106K025AT is a general-purpose polarized tantalum capacitor. The capacitance value is 106 microfarads (10^-6 F) and the voltage rating is 25 volts. This type of capacitor is commonly used in applications such as voltage regulation, filtering, and signal buffering. The 0.025 ‒inch height also makes the T491B106K025AT a popular choice for integrating easily on printed circuit boards (PCBs).

The working principle of a tantalum capacitor is based on the electrochemical capacitance principle. In a capacitor, a pair of plates are separated by a dielectric material. Electrical energy is stored in the capacitor proportional to the charge on each plate. In a tantalum capacitor, the plates are made of tantalum foil, and the dielectric material is typically a porous tantalum oxide layer. When a voltage is applied, the oxide layer forms a layer of electrolyte, which stores the electric charge.

Tantalum capacitors also employ an anode and cathode. The anode is the positive terminal of the capacitor, and the cathode is the negative terminal. The current-carrying electrodes are connected to each other via a conductive wire, allowing a path for the current to flow. When a voltage is applied, electrons are drawn from the cathode and a current flows, causing a change in the charge on each plate.

The T491B106K025AT is highly reliable, low-cost, and easy to integrate, making it a popular choice for many of today’s electronics applications. With its excellent temperature stability and long lifetime, it is ideal for both consumer goods and complex electronic systems. It is also a great choice for automotive and industrial applications, as well as telecom, consumer, and medical applications.

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