EEU-FC1A681L

Aluminum Electrolytic Capacitors and the EEU-FC1A681L

Aluminum electrolytic capacitors are a type of electrolytic capacitor which uses an electrolyte of aluminum oxide as the main dielectric material. This type of capacitor has relatively high capacitance values (typically in the μF range) and a low leakage current, making them suitable for high-frequency and high-voltage applications. They are commonly used in power supplies, low-cost audio electronics, pulse-width-modulated motor controllers and other applications.

The EEU-FC1A681L is a flavor of aluminum electrolytic capacitor manufactured by Panasonic. It is a radial lead, 5mm can type capacitor with a rated capacitance of 0.68uF. The EEU-FC1A681L has a temperature change of -10% at 60°C from its rated capacitance at 25°C. The maximum working voltage for this capacitor is rated at 6.3V DC and capacitance tolerance is rated to ±20%. In addition the product has a maximum ripple current of 180mA at 85°C, an operating life greater than 2000 hours at 85°C and a leakage current of 0.013μA at 20°C.

Working Principle of the EEU-FC1A681L

In simple terms, an electrolytic capacitor works by creating an electric field between two metal plates (electrodes) separated by a thin insulating dielectric material. Capacitance is created as electrons flow between the two electrodes, and the voltage is determined by the applied voltage across the capacitor. The EEU-FC1A681L specifically is an aluminum electrolytic capacitor, which uses an electrolyte of aluminum oxide as the main dielectric material and an anode of aluminum foil as the two electrodes. This construction allows the EEU-FC1A681L to have a relatively high capacitance value.

In operation, when voltage is applied across the capacitor the electrolyte will conduct the charge between the two electrodes. This creates a potential on the electrolyte’s surface and creates an electric field. The current will move through the electrolyte and form a layer of aluminum oxide, increasing the dielectric strength and resulting in a higher storage capacity. The current will then flow through the capacitor until all charge is removed from the electrolyte.

Application Field of the EEU-FC1A681L

The EEU-FC1A681L is designed to be used in a wide variety of applications. Its compact size and relatively low cost make it especially suitable for low-voltage and low-power applications. It is commonly used in power supplies, low-cost audio electronics, pulse-width-modulated motor controllers and other applications.

Due to its relatively low voltage rating of 6.3V, the EEU-FC1A681L is usually not used in applications which require a higher voltage. However, it can be used in applications which require a low voltage and low power such as audio electronics or power supplies for small electronics. Additionally, its high capacitance value and low native leakage current make it ideal for filtering or maintaining a steady power flow.

Conclusion

The EEU-FC1A681L is a type of aluminum electrolytic capacitor which uses an electrolyte of aluminum oxide as the main dielectric material. It has a rated capacitance of 0.68uF, maximum working voltage of 6.3V DC and a low native leakage current. The EEU-FC1A681L is suitable for use in low-voltage and low-power applications such as power supplies and audio electronics. It is also able to provide high capacitance values and low native leakage current, making it ideal for filtering or maintaining a steady power flow.