SMD Aluminum Electrolytic Capacitors Cornell Dubilier SMD Aluminum Electrolytic Capacitor for filtering, bypassing, and power supply decoupling features an operating temperature range of -40°C to +105°C and 1000 to 5000 hours of load life. With low impedance characteristics, the Cornell Dubilier SMD Aluminum Electrolytic Capacitor has a small footprint and is ideal for high-density PC board packaging.