ECA-1VM100I

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Aluminum electrolytic capacitors (ALECs), also known as aluminum electrolytic wet capacitors, are capacitors that use aluminum oxide as a dielectric material. They are mainly used for applications requiring high capacitance and low-resistance current. The ECA-1VM100I is an ALEC designed for high voltage applications. Its design enables large capacitance and low loss characteristics in high frequency circuits, as well as frequency adjustment, thereby making it suitable for high frequency applications.

An ECA-1VM100I consists of aluminum foil and aluminum oxide (anodic oxide) as the electrode and dielectric material, respectively. The anodic oxide is formed by anodizing the foil in an electrolyte, usually sulfuric acid. This anodic oxide is formed on the surface of the aluminum foil, which acts as a dielectric. The capacitance of an ECA-1VM100I is determined by the thickness and surface area of the aluminum foil and the dielectric constant of the aluminum oxide layer. The capacitance of an ECA-1VM100I is about 10 times higher than that of a normal aluminum electrolytic capacitor.

The ECA-1VM100I is typically used as an input or output filter or as an energy storage device in high voltage applications. It is particularly well suited for energy storage and frequency adjustment in high speed digital circuits. In addition, the ECA-1VM100I is also suitable for automotive applications where high voltage, high-temperature and vibration-resistant use are essential. Examples include primary power supplies of electrical systems, circuit protection of vehicles and automotive components, and EMC protection.

The ECA-1VM100I has a low Equivalent Series Resistance (ESR) typically of less than 0.2 milliohms, making it highly capable of reducing ripple voltage in power supply circuits, as well as in other applications demanding low DV/DT and high current ability. It is also capable of withstanding high AC and DC voltages. The ECA-1VM100I is available in two standard series: the 100 Series (rated voltage of 250V to 2000V) and the 105 Series (rated voltage of 350V to 3000V).

The working principle of an ECA-1VM100I is based on the principle of an electrolytic capacitor. It uses an electrolyte to allow electric current to flow through the capacitor, which separates the two conductive materials and allows current to pass through. The electric current flowing through the capacitor creates an electric field within the dielectric, which stores energy. When a voltage is applied across the capacitor, the electric field stores energy, which is released as current when the voltage is removed.

The ECA-1VM100I is a versatile capacitor that can be used in a variety of high voltage applications. It is capable of providing high voltage, high capacitance, and low ESR in applications demanding high frequency and vibration resistance. As such, it is a reliable and cost-effective choice for power supply and EMC protection of electronics and automotive components.

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