UUB Aluminum Electrolytic Capacitors Nichicon UUB Aluminum Electrolytic Capacitors are chip-type, high-reliability capacitors that offer a high temperature range up to +125°C. UB Series capacitors from Nichicon are ideal for use with automatic mounting machines fed with carrier tape. Specifications of UB Series capacitors include rated capacitance range of 1µF to 330µF, temperature range of -40ºC to +125ºC, and rated voltage range of 10V to 400V.