EEU-FK Series Aluminum Electrolytic Capacitors Panasonic EEU-FK Series Aluminum Electrolytic Capacitors are radial lead type connectors with a capacitance ranging from 180μF to 12000μF. These aluminum electrolytic capacitors provide long life and high endurance of 3000 hours to 5000 hours at +105°C. Panasonic EEU-FK series capacitors are AEC-Q200 compliant and feature a low impedance of approximately 10% to 30% less than the FC series capacitors.