ETPF680M5H Capacitors

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Tantalum-polymer capacitors are ultracapacitors that are used in a wide range of applications due to their low ESR, high-energy density and long life. The ETFP680M5H is a type of tantalum-polymer capacitor with a robust design for use in extreme temperature and vibration environments. The ETFP680M5H is designed for high-frequency applications, with a capacitance range of 4.7μF to 680μF and a rated voltage from 10V to 150V. The low ESR (equivalent series resistance) of the ETFP680M5H makes it an ideal choice for applications such as switch mode power supplies, pulsed-power bridge rectifiers, resonant circuit converters, and storage/backup circuits.

The ETFP680M5H is constructed of a tantalum pentoxide anode, a polymer cathode, and a ceramic-metal case. The anode and cathode are separated and insulated by the polymer material. The anode consists of a layer of tantalum powder, while the cathode is composed of a combination of a conductive polymer and a filler material. The ceramic-metal case of the ETFP680M5H provides a high level of protection from environmental effects such as humidity and temperature extremes, as well as vibration and shock.

The working principle of the ETFP680M5H is based on the electrochemical double layer model. In this model, the two electrodes are separated by a dielectric material, which is made up of an ionic solution with an anion and cation. As a charge is applied to the capacitor, an electric potential is created across the two electrodes and the electrolyte solution is polarized. The anions and cations become attracted to the electrodes and form a double layer around them, resulting in a capacitance. The magnitude of the capacitance is determined by the surface area of the electrodes and the thickness of the dielectric layer.

The ETFP680M5H has excellent electrical characteristics, making it suitable for various applications. Its low ESR and high-temperature operation are particularly suitable for applications such as bridge rectifiers, resonant converters, and high-frequency converters. In addition, the ETFP680M5H is capable of storing energy in a safe fashion, making it an ideal choice for energy storage applications. The ETFP680M5H can also be used in emergency back-up circuits, which can help to ensure that critical systems remain operational in the event of a power failure.

Tantalum-polymer capacitors are a reliable and durable choice for a range of applications. They offer low ESR, excellent high-temperature performance, and long life. The ETFP680M5H is a type of tantalum-polymer capacitor that is designed for high-frequency applications and extreme environmental conditions. It is constructed of a tantalum pentoxide anode, a polymer cathode, and a ceramic-metal case, and it works on the principle of an electrochemical double layer. The ETFP680M5H is an ideal capacitance solution for power supplies, resonant converters, back-up circuits, and many other applications.

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