EEU-FR1H121L

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Aluminum electrolytic capacitors are widely used in various electric, electronic and other systems, including switching power supplies, computers, TVs, radios and Office equipment. The EEU-FR1H121L is a Typical Aluminum Electrolytic Capacitor, mainly used in instrumentation and data processing equipment.

Application Field of EEU-FR1H121L

The EEU-FR1H121L capacitor was designed as an electrolytic capacitor for a wide range of applications, in the field of instrumentation, data processing, and data collecting systems and machines. It provides long-term reliability, excellent stabilizing performance, and is capable of withstanding up to -40\'C to +105\'C and relative humidity reaching up to 85%. It can be used to provide decoupling capacitance, filter capacitance, and energy storage capacitance.

The EEU-FR1H121L capacitor is suitable for filtering, timing, and blocking applications in AC/DC power and audio applications, as well as CPU and memory boards for computers. It also works well in contactors, vacuum switches and relays, thus can be applied in power supplies, motor drives, controller, detections, amplifiers and other equipment.

Working Principle of EEU-FR1H121L

The EEU-FR1H121L capacitors work on the principle of the electrochemical double layer capacitor. This capacitor stores energy through the physical separation of charges between two dissimilar electrodes, which are kept in a liquid electrolyte solution. The negative electrode is made of aluminum and the positive of a conductive solid or liquid material.

In the EEU-FR1H121L application, the electrolyte between the two electrodes will form an oxide layer on the anode, the positive electrode. This oxide layer creates a large surface area, which greatly increases the capacitance of the capacitor. The amount of charge stored in the capacitor will be directly proportional to the surface area and thickness of the oxide layer.

When the capacitor is in use, electric current will flow from the positive to the negative terminal. As the capacitor is discharging, the charge stored in the electrode separates and the electrons move in a particular direction, creating a voltage drop across the capacitor. This voltage drop is used to power the circuit.

The EEU-FR1H121L capacitor is highly reliable and offers excellent performance in terms of volumetric efficiency, withstanding temperature, resistance to voltage surges and peak current handling. The use of an aluminum anode and advanced manufacturing techniques ensure excellent durability. Moreover, these capacitors are available in a range of sizes and capacitance values.

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