M551B418M006AA

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Tantalum-Polymer capacitors are a type of advanced capacitors using a tantalum-based electrode with a solid polymer electrolyte. They have a relatively small footprint, low ESR (equivalent series resistance), low frequency impedance, and low cost compared with other capacitor types. A wide range of values are available from 0.68 to 7500 µF (microfarads).

The M551B418M006AA capacitor is one type of Tantalum-Polymer capacitor. It features a capacitance of 1000 uF, a voltage rating of 4 Vdc, and an operating temperature range of -55°C to +125°C. The M551B418M006AA has two interelectrode contact pins, with a height of 4.7mm and a diameter of 18mm overall.

The application fields of the M551B418M006AA in general are ideal for decoupling, power supply filtering, and other applications. The M551B418M006AA is a good choice for decoupling applications, as it has a low ESR, which helps to reduce high-frequency noise and ringing effects on the power rails. It is also suitable for use in power converters, allowing voltages to be stored while the output voltage is stepped up or down, and for acting as an energy buffer between cells in batteries, further improving power efficiency.

The working principle of the M551B418M006AA is based on traditional capacitor design, where two conductive electrodes are separated by a dielectric material. The electrodes of this capacitor are made of tantalum and the dielectric material is a solid polymer electrolyte. When an electrical voltage is applied to the capacitor, an electric current flows, resulting in a charge being stored in the space between the electrodes. This stored energy can then be released when the current drops or reverses, allowing the capacitor to smoothen sharp voltage distortions and provide voltage regulation, as well as acting as a filter and allowing small pulse signals to pass through while blocking higher frequency noise.

The solid polymer tantalum-polymer capacitor is rated ultra-capacitor, with a maximum allowable ripple current for a given time interval. Good temperature and voltage characteristics and extended operating life enable the capacitor to be used in various applications including decoupling and power supply filtering.

In conclusion, the M551B418M006AA capacitor is an ideal solution for power supply filtering and decoupling applications, with a high ripple current rating, low ESR, and extended operating life. It is a reliable and cost-effective option when compared to other capacitor types, and the solid polymer is a key factor to achieving good temperature and voltage characteristics.

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