2-1879062-0

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Tantalum capacitors are a type of electrolytic capacitor, which are electrolytic passive components that store electric charge. They are constructed from a tantalum metal oxide, which acts as the dielectric or insulator between two metal electrodes. Tantalum capacitors are also known as tantalum electrolytic capacitors, or “Tantalizers” for short. These electrochemical capacitors come in two forms: surface mount and through-hole capacitors. The 2-1879062-0 is a surface-mount tantalum capacitor, and it is an extremely efficient and reliable device in the electronics industry.

Applications

Tantalum capacitors have become more popular in recent years due to their high reliability and robust performance. They are widely used in a variety of applications such as:

• Automotive Electronics – The capactiance and heat resistance properties of tantalum capacitors make them suitable for use in high temperature environments such as those found in modern vehicle engines.
• Aerospace / Military – The same properties make the 2-1879062-0 capacitor resistant to shock and vibration which make them suitable for military applications.
• Computer – While ceramic and aluminum capacitors remain popular in most computers, tantalum capacitors are often preferred for their ability to carry high currents with low amounts of heat loss. The 2-1879062-0 capacitor is especially useful in larger, high-performance systems as its low ESR helps eliminate noise.
• Industrial Electronics – The endurance and durability of the 2-1879062-0 capacitor make is a good choice for many reliable, long-term industrial applications.
• Medical Electronics – With their small size and low leakage current, tantalum capacitors are often preferred for medical devices and instruments.

Working Principle

Tantalum capacitors are electrochemical devices. At their core is a tantalum metal oxide (TaO2) dielectric layered between two metal electrodes. The bottom metal electrode is a solid metal plate while the top electrode is typically a thin wire made of nickel, cobalt, or manganese. Together, the layer of oxide, bottom plate, and top wire make up the “anode” of the capacitor.

The other component of the capacitor is the “cathode,” which is typically a silver, gold, or palladium metal plate. When the capacitor is charged, a chemical reaction occurs between the two electrodes that stores the electric charge. The electric charge in each capacitor is usually measured in Farads. The 2-1879062-0 capacitor has a capacitance of 0.22µF, and its breakdown voltage is 16V DC.

Advantages

Tantalum capacitors offer a number of advantages over other types of capacitors such as aluminum electrolytic and ceramic capacitors. These advantages include:

• Higher Reliability – Tantalum capacitors have a higher microphonic noise immunity that helps protect them from electrical noise.
• Smaller Size – As a surface-mount component, the 2-1879062-0 capacitor is able to make use of printed circuit board real estate more efficiently than its through-hole counterparts.
• Lower Cost – Tantalum capacitors are typically less expensive than aluminum electrolytic capacitors, making them more cost-effective for many applications.
• Higher Temperature Range – The 2-1879062-0 capacitor is able to withstand high temperatures without losing its capacitance, making it suitable for many high temperature applications.

Disadvantages

Unfortunately, tantalum capacitors have some drawbacks as well. These include:

• High Leakage Current – The 2-1879062-0 capacitor has a higher average leakage current compared to other types of capacitors, meaning it may not be suitable for sensitive applications.
• High ESR – The equivalent series resistance (ESR) of tantalum capacitors can be higher than other types of capacitors, limiting their power handling capabilities.
• More Expensive – Tantalum capacitors are typically more expensive than other types of capacitors, making them cost-prohibitive for some applications.

Tantalum capacitors, such as the 2-1879062-0, are a reliable component for many applications, but they come with some drawbacks. Before selecting a tantalum capacitor, be sure to understand the pros and cons associated with this type of capacitor to ensure that it is the best choice for your application.

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