293D474X9035B2TE3

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Tantalum Capacitors

Tantalum capacitors, named for the metal from which they are constructed, are widely employed in electronic components due to their small size, low cost and durability.

These capacitors can be identified by their code, ‘293D474X9035B2TE3’, which reveals the capacitor’s component values, such as capacitance, voltage rating, temperature coefficient, and tolerance.

Application Field

Tantalum capacitors are used in a huge variety of electronic and electrical projects that involve either the storage or release of electrical energy over short and long periods of time. Due to their unique properties, they can work at a range of temperatures and operate at high frequencies. They are also able to manage high current loads, low ESR values and sizeable voltages.

As a result, tantalums are used for a variety of application fields depending on the specific capability of each capacitor. One such example of tantalum capacitors is their ability to bypass power supply lines to avoid lost energy due to resistance. In this application, low ESR capacitors are used to reduce the amount of power lost.

The use of tantalum capacitors can also be seen in military and aerospace installations, where their tiny size and light weight makes them invaluable. Applications in these fields include power supply decoupling, low-noise signal generation and protection circuits.

There are also multiple projects that use tantalum capacitors for pulse-by-pulse current-limiting, in a variety of power supplies and devices.

Working Principle

Tantalum capacitors work on the same principle as any other type of capacitor. Electrons on each plate build up until the electric field inside the solenoid reaches a certain point, known as the dielectric constant. At that point, a current is passed through the capacitor, allowing it to release energy over a period of time.

The difference between tantalum capacitors and other types of capacitors is the dielectric material that is used. This dielectric material is an electrolyte solid composed of several layers of chemically inert tantalum pentoxide. As a result, tantalum capacitors can achieve up to three times the capacitance of other types of capacitors.

Due to their unique construction, tantalum capacitors can handle large temperatures and maintain stability over a wide range of frequencies. For example, they produce little noise at high frequencies and can remain stable under variable temperatures, which makes them ideal for a variety of applications. Tantalum capacitors are also more reliable than other types of capacitors, due to the fact that the electrolyte’s chemical composition does not break down over time.

Conclusion

The ‘293D474X9035B2TE3’ code indicates that the capacitor is a tantalum capacitor used for a wide range of applications, due to its superior performance at high temperatures and frequencies. The capacitor works by forming an electric field out of chemical layers, called tantalum pentoxide, which produces up to three times the capacitance of other types of capacitors. The unique construction and properties of tantalum capacitors make them invaluable for a range of applications, including military and aerospace installations.

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