7-1879062-4

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Tantalum capacitors are widely used in the electronics industry due to their distinct characteristics and robust construction. They are among the most common types of electrolytic capacitors and are available in many sizes and shapes, typically offered in voltage ratings from 3 to 440 Volts DC. The standard 7-1879062-4 tantalum capacitor is a ceramic, surface-mount capacitor, often used in low voltage applications as part of electronic components or transistors. This article will provide an overview of the application field and working principle of the 7-1879062-4 tantalum capacitor.

Application Field

The 7-1879062-4 tantalum capacitor is used in a variety of circuits, from low power hand-held consumer electronic products, through to power-control and power supply circuits. The range of capacitance and voltage ratings make the 7-1879062-4 capacitor suitable for a wide range of applications. Some of its common applications include:

• Smoothing and decoupling low voltage power supplies
• Input capacitors for voltage regulators
• Filtering high frequency switching noise
• Matching and resonating transformer circuits
• DC-DC conversion circuits

It is also widely used in circuits designed to serve audio-visual customers, such as audio amplifiers, telecommunication and computer equipment, and industrial radios. The wide capacitance range makes the 7-1879062-4 suitable for many applications, from basic consumer electronics to professional audio systems.

Working Principle

At its most basic, a tantalum capacitor is formed by two metal plates separated by an oxide dielectric layer. The 7-1879062-4 is a ceramic version of tantalum capacitors, where the anode electrode is formed with a sintered slug of tantalum powder, with an oxide dielectric layer. The cathode electrode is connected to the oxide dielectric layer, which is encapsulated in a molded body. The body is typically a ceramic or metal material.

When a voltage is applied across the capacitor electrodes, an electric field is generated that creates a charge across the oxide layer. This charge creates an electric field between the electrodes that opposes the applied voltage, allowing the capacitor to store a charge for extended periods of time. The capacitance of the 7-1879062-4 will decrease as the voltage applied to the electrodes is increased.

The 7-1879062-4 capacitor is a polarized capacitor, which means it requires a certain polarity for the voltage to be applied across it. Reversing the applied voltage polarity may damage or destroy the capacitor. The 7-1879062-4 has a low leakage current that allows the capacitor to retain its charge even after the power has been removed. The low leakage current also helps reduce power loss in circuits with high frequency switching.

The 7-1879062-4 has a temperature coefficient of only 0.003%, and its failure rate is generally much lower than that of other types of capacitors. This low failure rate allows them to be used in high reliability applications, such as aerospace and defense electronic components. The 7-1879062-4 is also more resistant to vibration and shock when compared to other types of capacitors.

In conclusion, the 7-1879062-4 tantalum capacitor is a versatile component that offers excellent performance in a variety of DC-powered electronic circuits. Its low voltage and capacitance ratings and low failure rate make it suitable for use in many different applications, from basic consumer electronics to high reliability aerospace and defense electronic components. Its temperature coefficient and low leakage current also help reduce power loss in circuits with high frequency switching.

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