The EEFSL0G820ER is an Aluminum Electrolytic Capacitor from Panasonic's EEF Series (conductive polymer hybrid aluminum electrolytic capacitors). These capacitors combine the benefits of both aluminum electrolytic and conductive polymer technologies, providing low ESR (Equivalent Series Resistance), high ripple current capability, and long life. This particular part is marked as END-OF-LIFE, suggesting it is no longer in production, but may still be available from distributors while supplies last.

Applications:

• DC-DC converters: Used as input and output capacitors in DC-DC converters to reduce voltage ripple and noise.
• Power supplies: Found in switching power supplies for smoothing output voltage and improving stability.
• Industrial equipment: Employed in industrial control systems, inverters, and other power electronics applications.
• Automotive electronics: Utilized in automotive electronic control units (ECUs) and power management systems.
• Renewable energy systems: Used in solar inverters and wind turbine power converters.

Features:

• Low ESR: The low ESR minimizes power loss and heat generation, leading to improved efficiency and longer lifespan.
• High ripple current capability: The capacitor can handle high ripple currents, making it suitable for demanding power applications.
• Long life: Offers extended operational life compared to standard electrolytic capacitors.
• High temperature stability: Operates reliably over a wide temperature range.
• RoHS compliant: Meets environmental regulations for hazardous substances.

Benefits:

• Improved efficiency: Low ESR results in reduced power loss and improved overall system efficiency.
• Extended lifespan: Longer operational life reduces the need for frequent replacements.
• Enhanced stability: Provides stable performance over a wide range of temperatures and operating conditions.
• Reduced noise: Effective at filtering out voltage ripple and noise in power circuits.
• Increased reliability: Robust construction and stable performance contribute to increased system reliability.

Additional Details:

The EEFSL0G820ER has a capacitance of 82µF and a voltage rating of 4V. The part number indicates that it is from the EEF-SL series. These are generally surface mount (SMD) capacitors. The "ER" suffix may designate specific packaging or terminal characteristics. Due to its end-of-life status, consider alternative components from Panasonic or other manufacturers for new designs. Consult the Panasonic datasheet for complete specifications, including ESR values, ripple current ratings at various frequencies, temperature characteristics, and mechanical dimensions.