EEU-FR Series 10,000 Hour Aluminum Capacitors Panasonic EEU-FR Series Aluminum Capacitors achieves an endurance of up to 10,000 hours at 105°C - a 100% increase over previous generations. In addition, the series offers improved capacitance by up to 30% (22 to 8200µF) and ultra-low ESR - down to just 12mΩ (20°C/1000kHz). Panasonic's EEU-FR Series 10,000 Hour Radial Aluminum Capacitors operate between 6.3VDC and 50VDC and are ideal for switching mode power supplies, LCD backlighting, LED systems, and products with long lifetime requirements.