M39003/01-2549/TR

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Tantalum Capacitors

Tantalum capacitors are small electrolytic capacitors, which offer a combination of high capacitance and excellent volumetric efficiency, making them highly suited for various signal processing operations. The M39003/01-2549/TR is a high-performance, two-layer polymer tantalum anode capacitor. It consists of a thin conductive film with a tantalum anode (cathode) and a polymer dielectric.

Application Field

The M39003/01-2549/TR is mainly used for high-frequency signal electronic component applications, including high speed processor systems, high voltage conversion and high frequency switching power supplies. It has a very low ESR (<1.08mΩ ), and can also be used for power supplies, servo control systems, and speech processing systems. Due to its low dissipation factor and high Q-factor, it offers excellent stability at very high frequencies.

Working Principle

Tantalum capacitors work on the same basic principle as other types of capacitors. These capacitors use a tantalum plate (anode) and a dielectric material (polymer) to store electrical charge. When a voltage is applied across the capacitor, the electrons of the conducting material create a dipole field, which is then stored in the dielectric material. The M39003/01-2549/TR capacitor also has a second plate (cathode) to create a dipole field with the dielectric, thus enabling a high capacitance value in a smaller physical package.

The M39003/01-2549/TR capacitor is unique in that its two layers act as separate capacitors when an alternating current (AC) is applied. The first layer (anode) acts as an unidirectional capacitor, providing low impedance and excellent transient response. The second layer (cathode) acts as a bidirectional capacitor, providing a higher capacitance and better AC load performance.

The M39003/01-2549/TR also features a wide temperature range (-55°C to 125°C) and excellent tolerance to voltage and vibration, making it ideal for high speed digital applications. It also has an additional dielectric layer, providing higher insulation resistance and dynamic dielectric decline, thus ensuring reliable operation over time.

Conclusion

The M39003/01-2549/TR is a unique two-layer polymer tantalum anode capacitor which offers superior performance over other types of capacitors. With its low ESR, high capacitance, wide temperature range and excellent tolerance to voltage and vibration, it is suitable for various applications, especially high speed digital circuits.

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