EEU-FR0J331B

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Aluminum electrolytic capacitors are a type of electrolytic capacitor that use a thin aluminum oxide film as a dielectric. They are used in a wide range of applications, including high-frequency switching power supplies, digital and analog circuits, voltage stabilization, high-efficiency rectifiers and inverters, power factor correction and RF/microwave circuits. The EEU-FR0J331B capacitor is a product developed by EPCOS, a subsidiary of Siemens.

The EEU-FR0J331B aluminum electrolytic capacitor is a non-polarized, radial-leaded capacitor with an operating temperature range from -40 degrees Celsius to +85 degrees Celsius and a voltage rating of 25 volts DC. The capacitance is between 330µF and 470µF with a tolerance of +/-20%. The size of the capacitor is 6.3 x 11mm with a lead spacing of 5mm.

The EEU-FR0J331B aluminum electrolytic capacitor is well suited for use in DC power supplies, filters, audio equipment, and other applications that require high ripple current and long-term stability. It offers excellent performance in high temperature environments, high ripple current capability, low ESR and ESL, low inductance and long filament life.

The working principle of the EEU-FR0J331B aluminum electrolytic capacitor is based on the electrochemical principle of a double layer capacitor, which stores electrical energy in the form of two layers of aluminum oxide film, one positively charged and one negatively charged. When voltage is applied, electrons are injected from the anode into the electrolyte solution, forming a positively charged layer on the anode side, and the electrolyte is reduced at the cathode, forming a negatively charged layer on the cathode side.

The combination of the two layers of oxide film, the anode and cathode, forms a single unit strongly bonded to the aluminium oxide and acts as a dielectric between them, allowing electrical charge to be stored. The capacitance is determined by the thickness of the oxide film, and is inversely proportional to the applied voltage.

The EEU-FR0J331B aluminum electrolytic capacitor has an extremely long design life due to the process of forming and re-forming the oxide film under a constant voltage supply. This process helps to ensure that the capacitor maintains a steady performance over an extended period of time. This long design life also provides higher reliability, as the capacitor is less likely to experience failure due to aging or wear.

In summary, the EEU-FR0J331B aluminum electrolytic capacitor is a high-performance device suitable for use in a variety of applications that require stable performance over a wide temperature range. The electrolytic capacitor has excellent high temperature characteristics, high ripple current capability, low ESR and ESL, low inductance and long filament life, making it well suited for high-frequency switching power supplies, digital and analog circuits, voltage stabilization, power factor correction, RF/microwave circuits, and other demanding applications.

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