T491A105M016ATZQ017280

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T491A105M016ATZQ017280 capacitors are a type of tantalum capacitors. Tantalum capacitors are polarized electrolytic capacitors which consist of a pellet of tantalum metal as an anode, covered by an insulating oxide layer that forms the dielectric, surrounded by liquid or solid electrolyte as the cathode. It is similar to the structure of aluminum electrolytic capacitors, but using tantalum in place of the aluminum.

The main advantage of tantalum capacitors is the stability of the capacitance, which makes them ideal for use in a wide range of RF, audio and DC applications. In comparison to aluminum electrolytic capacitors, which have a temperature coefficient of 0.027%, tantalum capacitors have a much wider temperature range, with a temperature coefficient at −10 to 85°C, −25 to 105°C, −55 to 125°C and −85 to 150°C. This makes them highly reliable for their application field.

T491A105M016ATZQ017280 capacitors work on the principles of dielectric absorption and loss. The oxide layer that forms the dielectric absorbs and traps electrons, and the electrolyte facilitates their release. The thickness of the oxide layer is directly dependent on the voltage that is applied across the capacitor, so when the polarity of the voltage is changed, electrons are attracted back to the oxide layer. This creates a cycle of absorption and release, which stores and releases energy and allows the capacitor to provide current and maintain voltage.

T491A105M016ATZQ017280 capacitors have a wide range of applications, such as powering circuits in the automotive, computer, and telecom industries, as well as audio and telecom systems. They are often used in DC circuits to supply current, while they can also act as direct current reservoirs in radio frequency (RF) circuits to store power and provide rapid switching from one state to another. Tantalum capacitors also find use as filters and for noise reduction or signal processing.

T491A105M016ATZQ017280 capacitors are ideal for applications where a stable voltage and current supply is needed in the presence of strong environmental fluctuations. The high stability of the capacitance and the wide temperature range of the tantalum capacitors make them reliable, durable, and long-lasting components that are suitable for demanding applications.

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