T491B334M050AS Capacitors

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Tantalum capacitors are an essential component in a variety of electrical and electronic gear, and the T491B334M050AS series capacitors are no different. Produced by Vishay Intertechnology, the T491B334M050AS series uses solid electrolytic capacitor technology, which provides superior reliability and endurance in the digital lifestyle.

The T491B334M050AS series capacitors are mainly used for energy storage in the following applications: digital cameras, mobile phones, PDAs, MP3 Players, computers, automotive electronics and power supplies. Examples of electrical storage includes power source smoothing, power-on reset, ESD protection, and energy backup systems.

The working principle of the T491B334M050AS capacitors is based upon the concept of two metal plates separated by a non-conductive dielectric material. As is typical of all capacitors, applying a voltage across the plates of the capacitor causes a build-up of electric charge on the metal plates, proportionate to the applied voltage. When the voltage is removed, the electric charge is still stored on the capacitor plates. The relationship between capacitance (measured in Farads) and the applied voltage is known as capacitance.

The structure of the T491B334M050AS capacitor is such that a tantalum body houses two electrodes; the oxidized anode, and the cathode, which is typically made of aluminum. The dielectric material between the electrodes is a specialised conducting oxide, with a high dielectric constant.

The structure of the T491B334M050AS capacitor is extremely reliable; the stability and long-term reliability of the capacitor is ensured by “conformal coating”, which is a non-conductive epoxy or polyurethane that surrounds and protects the body of the capacitor, apart from the metal electrode plates.

The T491B334M050AS capacitors are relatively lightweight and small, making them ideal for portable and mobile applications. Additionally, they are efficient and relatively low power dissipation, require very little leakage current, and are much less prone to thermal shock than their ceramic counterparts.

The wide range of electric and electronic products that use the T491B334M050AS capacitor clearly demonstrates its usefulness and reliability in a variety of appplications. With its small size, lightweight, and low power dissipation, the T491B334M050AS series capacitors are an ideal choice, especially in applications where space is at a premium.

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