EEE-FK2A221AM

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Aluminum electrolytic capacitors are a type of capacitors with an electrolyte as the medium for storing electrical energy. These capacitors are generally made by layering an anode and a cathode together with aluminum as its anode. When a voltage is applied across the two electrodes, a thin oxide layer forms on one side, and the other side forms an electrolyte. This forms a double layer structure with an extremely thin oxide layer between the two metals.

The EEE-FK2A221AM is an aluminum electrolytic capacitor with a maximum working voltage of 25V and a capacitance of 2.2µF. Its lead spacing is 5mm and it has a low internal ESR of 10mOhm. It is typically used in applications such as computers, audio, and video equipment.

The working principle of an aluminum electrolytic capacitor is quite complex, but can be summed up as follows: the anode and cathode are polarized, and a controlled amount of current passes through the electrolyte between them. This current creates a thin film of oxide on the anode of the capacitor. This provides insulation between the anode and the electrolyte, and allows for the creation of the electrical field that stores energy.

The oxide layer also acts as a dielectric, which means it resists the flow of current and prevents current from moving from one electrode to the other. The oxide layer stores energy and when a voltage is removed, the stored energy is released and current flows from the anode to the cathode. The energy stored in the oxide layer is proportional to the voltage applied to the capacitor.

The EEE-FK2A221AM is well-suited for a variety of applications such as power supplies, switched mode power supplies, ABS brakes, and audio-video equipment. It is also used in many safety-critical applications including automotive electronic control units, airbag systems, and traction control systems. The capacitor is also suitable for medical device applications.

In conclusion, the EEE-FK2A221AM is an aluminum electrolytic capacitor with a 25V maximum working voltage, a capacitance rating of 2.2µF, and a low internal ESR of 10mOhm. It is well-suited for a variety of applications that require energy storage and is suitable for medical device applications. Its working principle involves the formation of an oxide layer on the anode that stores energy when a voltage is applied, and the oxide layer is also a dielectric which prevents current from flowing between the two electrodes.

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