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Tantalum Capacitors: The M39003/01-5556/HSD Application Field and Working Principle

Tantalum capacitors play an essential role in modern electronics, providing a wide range of uses from memory back-up to load switching. The M39003/01-5556 HSD is a miniaturized, axial leaded electronic device from Vishay which specifically deals with tantalum capacitors.

What is a Tantalum Capacitor?

A tantalum capacitor is an electrical device composed of tantalum metal and an oxide dielectric material. It commonly consists of two interdigitated plates that are covered with material that can store an electric charge. The plates are then sealed with a protective coating such as glass or plastic. Tantalum capacitors offer the highest capacitance and reliability per unit volume of any commercially available capacitor, making them very attractive for use in a wide variety of electronic applications.

How Does the M39003/01-5556 HSD Work?

The M39003/01-5556 HSD uses a combination of a Ta-Anode and a tantalum-oxide dielectric layer in order to create a capacitor with a high capacitance and low equivalent series resistance (ESR). It is axially sealed with a glass-to-metal seal, which provides an extra layer of protection against voltage, temperature, and humidity. Additionally, it is also a low-leakage type device, meaning that it does not experience as much electrical current leakage at high temperatures as some other capacitors, making it more reliable.

The Application Field for the M39003/01-5556 HSD

The M39003/01-5556 HSD is mainly designed for applications requiring a ruggedized capacitor with low equivalent series resistance. It is ideal for utilization in circuit boards that require a high level of reliability, such as circuit boards used in automotive, military, avionics, industrial, and medical fields. As it is a higher capacitance than smaller clay-dielectric capacitors, it is used to store higher energy levels, thus making it ideal for applications that require a large amount of energy storage, such as back-up power systems.

Summary

Tantalum capacitors are invaluable in modern electronics for providing a range of functions from small load switching to energy backups. The M39003/01-5556 HSD is a miniaturized, axial leaded device from Vishay designed for applications requiring a rugged, reliable, and low-ESR capacitor. It is most suitable for use in automotive, military, avionics, industrial, and medical fields due to its high capacitance and low leakage properties.

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