T86E476M020EBAS

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Tantalum Capacitors

Tantalum capacitors are used in a wide variety of electronics applications and are considered one of the most stable and reliable of all the capacitors available. A T86E476M020EBAS is a type of tantalum capacitor and is widely used in various fields such as automotive, telecommunications, industrial and medical. In this article we will discuss the application field and working principle of the T86E476M020EBAS Tantalum capacitor.

Applications

The T86E476M020EBAS is a molded chip-type metal case capacitor designed for high-frequency switching power supplies, high-voltage inverters, and automotive engine control systems. It is particularly suitable for pulse load application due to its excellent ripple Hi-Q capability. In addition, it is highly reliable and has low losses at high frequencies. It is capable of operating over a wide range of temperatures, from -25 to +105 degrees Celsius, and is highly resistant to shock and vibration. Furthermore, it is highly resistant to corrosion and its surface is lead-free and conforms to the RoHS directive.

Design

The T86E476M020EBAS is constructed using a tantalum core and is typically enclosed in a metal case. The tantalum core consists of a solid layer of dielectric and a thin film of metal. The dielectric is usually made of niobium pentoxide or titanium dioxide, while the metal is typically a combination of manganese and nickel. The case is typically made of metal such as stainless steel or aluminum.

The dielectric layer of the T86E476M020EBAS is in direct contact with the external environment, meaning it is exposed to the elements, including dust, water, and heat. To help resist environmental damage, the case is sealed, preventing water and other contaminants from entering.

Working Principle

Tantalum capacitors work on the principle of capacitance. When a voltage is applied across the two terminals of the capacitor, electrons will flow through allowing electrical charge to be stored. The higher the applied voltage, the greater the amount of charge stored. This charge will remain stored until the voltage is removed or the capacitor is discharged.

The capacitance of a tantalum capacitor is determined by multiplying the area of the dielectric layer by the permittivity of the material used. The permittivity is a measure of the ability of the capacitor to store charge and is measured in Farads. The capacitance of the T86E476M020EBAS is 47µF.

The T86E476M020EBAS is typically used as a decoupling capacitor, which is used to reduce the amount of noise and transients in a circuit. It is often used in parallel with other capacitors to increase their overall capacitance, which is necessary for high frequency applications.

Advantages

The main advantages of using the T86E476M020EBAS are its small size, low cost and high reliability. It is also highly resistant to shock and vibration, making it suitable for use in commercial and military applications. Additionally, it has a high ripple capability and is capable of operating at a wide range of temperatures.

Overall, the T86E476M020EBAS is a reliable and efficient type of tantalum capacitor which is suitable for a wide variety of applications. It has a wide operating range, is highly resistant to shock and vibration, and has a high capacitance. This makes it a good choice for a variety of applications, including automotive, telecommunications, industrial and medical.

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