Double layer capacitors back-up solar applications

Low resistance is combined with guaranteed long life over a wide temperature range of -40 to +65 degree C, says Panasonic Automotive & Industrial Systems Europe. The HL series Electric Double Layer Capacitors (ELDCs) are wound radial lead type devices, which achieve up to 1,000 times greater capacitance, compared to aluminium electrolytic capacitors, says the company, and with superior charge and discharge performance compared with secondary batteries.

The benefit of a rapid charge and discharge cycles, (over 100,000 times) and ageing characteristics make the capacitors suitable for applications such as back-up power supplies for servers and storage devices, auxiliary power supplies for solar-powered products including street lighting, and driver-assist for motors and actuators.

Maximum operating voltage is 2.7V DC and nominal capacitance ranges from 50 to 100F. The capacitors are guaranteed to maintain their capacitance and internal resistance without drifting at low temperatures, rather than alternatives where capacitance and internal resistance may change up to ±30% and up to seven times respectively of initial measured values. Both the 50F and the 100F devices are guaranteed for a life of 2,000 hours at +65 degree C.

https://eu.industrial.panasonic.com/

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