150D684X0020A2B

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Tantalum Capacitors

The 150D684X0020A2B is a type of Tantalum Capacitor. The name of this capacitor refers to the core material that is used in it – tantalum. In fact, Tantalum Capacitors are a special type of electrolytic capacitors, which can store electrical charges, and feature a low equivalent series resistance (ESR).

Applications

Tantalum capacitors are primarily designed for use in DC power supplies and are a popular choice when designing circuitry as they are reliable and efficient. They are used in a wide range of consumer electronic products, such as: smartphones, handheld devices, TVs and computer watches. Additionally, they are widely used in aviation and military applications, cars, and telecommunications. In these areas, they are used to suppress transients, control voltage signals and provide electrical compatibility between various components.

Working Principle

Tantalum capacitors can be classified as either solid or wet tantalum types based on their construction. The solid tantalum type utilizes a solid-state anode and cathode. The anode is made from sintered tantalum powder and the cathode utilizes a manganese dioxide (MnO2) or polymer film as the dielectric. This type of capacitor is generally used for low voltage applications, like for analog signal filtering and power supply filtering.

The wet tantalum capacitor utilizes a tantalum anode and a liquid electrolyte as the cathode. The electrolyte is usually an organic solvent that is impregnated into the anode and acts as the dielectric. This type of capacitor is usually used for high voltage applications, such as motor drives and high frequency switching mode power supplies.

Both types of tantalum capacitors employ a liquid electrolyte to complete the circuit. This electrolyte is normally an acidic solution of ammonium or potassium based salts. As the voltage increases, the electrolyte breaks down, and electrons start flowing between the anode and cathode. This process is known as Faraday’s Law of Electrolysis.

In summary, the 150D684X0020A2B and other similar devices are specialty capacitors used for high-power and low-noise signal filtering. Their unique construction gives them a low equivalent series resistance and makes them suitable for use in high-temperature applications.

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