M39003/03-0459H

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Tantalum capacitors are widely used in electronic circuits for various purposes, such as smoothing rectified DC voltages, decoupling, energy storage, signal processing, etc. The M39003/03-0459H is one type of tantalum capacitor manufactured by the U.S.-based Cornell Dubilier Electronics (CDE). This capacitor is a high capacitance Polymer Electrolytic type capacitor with the ratings of 4.7uF and 4V Q+ (Positive).

The application field of the M39003/03-0459H capacitor is very versatile. It is suitable for small signal and low frequency applications, such as bypassing and decoupling in a wide variety of applications involving low DC voltage and small limits on the capacitance change due to temperature variations. It is also suitable for the application of high-power filters and as a buffer storage for LED lighting applications.

The working principle of a tantalum capacitor is similar to that of other electrolytic capacitors. When a DC voltage is applied to the capacitor, the positive plate is covered by an electrolyte solution, while the negative plate is formed by a non-conductive substrate. Between the two plates, a thin layer of tantalum oxide is formed, acting as the dielectric. As a result, a capacitor is formed with high capacitance and high-voltage ratings.

The M39003/03-0459H capacitor features a low equivalent series resistance (ESR). This means that it exhibits minimal internal losses when the capacitor is operated in high-frequency switch-mode power supplies. It also exhibits a significantly high self-healing property, which helps in the prevention of failure due to external short circuits.

The capacitor also offers high temperature stability and low temperature drift. This makes it suitable for use in applications that require long-term reliability and stability. In addition, it features non-polar operation, excellent frequency response, and low parasitic inductance.

In conclusion, the M39003/03-0459H capacitor is an excellent choice for use in various types of electronic equipment. It offers high performance in a wide range of applications due to its high capacitance, low ESR, self-healing properties, and high temperature stability. With its excellent performance and long term reliability, it is an ideal choice for use in various types of equipment. making it an ideal choice for a variety of applications.

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