M39003/03-4077/TR

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Tantalum capacitors are widely used in many fields of electronics, from industrial to consumer applications. The M39003/03-4077/TR is one such capacitor, and its purpose and working principles are worth exploring in order to better understand its use.

Description

Tantalum capacitors, such as the M39003/03-4077/TR, are highly reliable, low-ESR capacitors that offer a number of advantages over other types of capacitors. They have a large capacitance-to-volume ratio, high reliability, low leakage current, and a wide range of operating temperatures. Furthermore, they are relatively easy to solder and have a very low moisture absorption rate.

Type of Dielectric Material

Tantalum capacitors use a wet-electrolytic construction, which uses two electrodes insulated from one another by a dielectric liquid. The two electrodes used in the M39003/03-4077/TR are composed of tantalum metal foil and a dielectric film. The dielectric material is a solid organic electrolyte (SOE). This type of dielectric provides the capacitor with high reliability and improved frequency characteristics.

Dimensions

The M39003/03-4077/TR is a small capacitor with a size of 0.4 x 0.45 x 0.41 inches (also known as 10.3 x 11.5 x 10.5 mm). It is available in a range of capacitance values ranging from 10 µF to 470 µF, with working voltages ranging from 6.3 VDC to 250 VDC. Its operating temperature range is -55°C to +125°C.

Applications

The M39003/03-4077/TR is suitable for a wide range of applications, such as computers, cellular phones, communications equipment, audio/video equipment, and digital TV. It is also well-suited to industrial applications, including medical equipment, industrial controllers, and robotic systems. In all applications, this capacitor offers improved performance, reliability, and durability.

Working Principle

The working principle of the M39003/03-4077/TR utilizes two electrodes—an anode and a cathode—that are separated by a dielectric liquid. When voltage is applied, the anode is positively charged, while the cathode is negatively charged. This results in a strong electric field inside the capacitor that stores energy. This stored energy can then be released when the voltage is removed, allowing the capacitor to operate reliably over a number of cycles.

Conclusion

The M39003/03-4077/TR is a highly reliable, low-ESR tantalum capacitor that provides cost-effective, reliable performance for a wide range of applications. Its wet-electrolytic construction provides improved frequency characteristics and a wide operating temperature range. Furthermore, its small size makes it suitable for applications where space is at a premium. With these features, it is not difficult to understand why the M39003/03-4077/TR is such a popular choice in many electronic contexts.

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