T491A154K050AT

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Tantalum capacitors have been around since the early 1950s, due to their unique properties. They have emerged as arguably the most reliable and stable form of capacitor currently available.

Tantalum capacitors can be found in a variety of commercial and industrial applications, but the T491A154K050AT is particularly well-suited for applications that require high voltage, such as automotive and power electronics. It is a high voltage, SMT Polymer Electrolytic capacitor that provides excellent performance and stability.

The T491A154K050AT is a surface mount tantalum capacitor, which means it is suitable for applications which require a board-level SMT capacitor. This capacitor offers a rated voltage of 50V and a capacitance of 154µF. It has a lead pitch of 1.50mm and an extremely low ESR rating of 0.42Ω. The capacitor is rated for temperatures up to 125°C.

The working principle of the T491A154K050AT is based on the electronic properties of tantalum as a capacitor. Tantalum has a large permittivity, which is 100x higher than the permittivity of most other metals. This property allows for a high capacitance with a small physical size. The capacitor is constructed with a tantalum pentoxide dielectric, along with a tantalum anode and cathode, which are made from a highly compressed powder. The tantalum oxide and anode are separated by a special oxide film, which acts as an electrical insulator.

When an electric field is applied to a T491A154K050AT capacitor, an electrolyte is created which allows charge to flow through the capacitor. This electrolyte also acts to cause the oxide film to break down, allowing electrons to flow between the anode and cathode. By changing the voltage applied to the capacitor, the amount of electrons that flow in and out of the capacitor, and the capacitance, can be adjusted accordingly.

T491A154K050AT capacitors provide a high ESR rating, making them ideal for applications that require low resistance and low noise output. They also have a wide operating temperature range, making them suitable for a variety of environments. The size and form factor of the T491A154K050AT also make them an attractive alternative to larger capacitors for use in low-profile applications.

T491A154K050AT capacitors are well-suited for a variety of industrial, automotive and power electronic applications. They are a reliable and stable alternative to other forms of capacitors with a wide operating temperature range, low ESR rating and small form factor, providing superior performance and reliability.

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