T491C474M050ZT2478

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Tantalum capacitors, or tantalum electrolytic capacitors, are a type of electrolytic capacitor made with tantalum metal for the anode. Invented in the 1950s, these capacitors have a high capacitance-to-volume ratio, making them beneficial in a variety of applications such as power supplies, filters, and timing circuits. The T491C474M050ZT2478 is one such tantalum capacitor and is used in a variety of applications in both consumer electronics and industrial applications.

The T491C474M050ZT2478 is a surface mount assembly, with tantalum powder for the anode and an electrolyte for the cathode. It has an electrical rating of 25V/capacitance of 470µF, and an operating temperature of -55°C to +125°C. This capacitor is part of the T491 series of high-voltage, low-impedance, and large-capacitance SMD tantalum capacitors.

The principal application of the T491C474M050ZT2478 is in decoupling and filtering applications, where it can effectively reduce power supply noise. Its high capacitance-to-volume ratio and long life expectancy make it a reliable choice in consumer electronics, heavy industrial machinery, and high-speed processors.

In filter applications, the T491C474M050ZT2478 capacitor acts as an electronic gate that keeps current from passing through. It also filters any noise from the power supply, preventing any spikes from reaching sensitive components. This is essential in processors and power supplies with high speed clocks, where current and noise can cause significant damage. The capacitor\'s long life and robust construction can also extend the life of connected components, reducing the need for costly repairs or replacements.

The working principle of the T491C474M050ZT2478 is based on the same principle as any electrolytic capacitor. A tantalum powder is placed in a polarized electrode, with the other electrode being an electrolyte. A voltage is applied across the two, creating an electric field which causes ions to be attracted and migrate to the wire between the two electrodes, forming a dielectric. This dielectric layer makes the migration of current collect ions difficult, and so reduces the movement of electrons between the two electrodes.

The T491C474M050ZT2478 is a reliable choice for decoupling and filtering applications, due to its high capacitance-to-volume ratio, long life expectancy and robust construction. It can effectively reduce power supply noise and filter out any spikes from reaching sensitive components, preventing unnecessary damage. Moreover, its long life can save on costly repairs and replacements in the long run.

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