WZ Electrolytic Capacitors Nichicon UWZ Aluminum Electrolytic Capacitors offer high temperature reflow soldering at +260°C and wide operating temperature range up to +105°C. Nichicon UWZ Aluminum Electrolytic Capacitors from Nichicon have capacitance range from 0.1µF to 1500µF and voltage range from 6.3 to 50V.