Generating higher power than batteries with coin cell-style EDLC capacitors

07-11-2019 | New Yorker Electronics | Passives

New Yorker Electronics now offers the new EDC and EDS series of Coin Cell-style EDLC capacitors from Cornell Dubilier. With quick-response and recharge times, these devices provide higher power than batteries and higher energy than typical aluminium electrolytic capacitors with no degradation over millions of charge-discharge cycles.

These new supercapacitors can replace or extend battery life in on-board memory backup. They are electric double-layer supercapacitors that give high capacitance values in a thru-hole stacked coin-type package. Three case configurations are offered for horizontal, vertical and radial-lead PCB mounting.

EDC and EDS series capacitors are ready to board mount in such applications as power failure backup, RTC backup, battery assist and in market segments including smart metering, building automation, HVAC controls, appliances, communication systems, instruments and other microprocessor-based devices. Due to their high volumetric power density, they can be an efficient way to decrease board size and weight. Either series can be utilised as a drop-in replacement for similar value capacitors recently discontinued by other manufacturers.

The series is rated at voltages up to 6.3WVDC with an operating temperature of -25C to +70C. The EDS series is rated at 5.5WVDC with an operating temperature of -25C to +85C. Both offer values from 0.047F to 1.5F capacity. Primarily designed for integrated circuit voltage backup, the capacitors can also be employed to produce the initial power from batteries.

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