Denver Technical Products supplies Maxcap capacitors, which have very high capacity of up to 5,6 F in a single 5,5 V package. According to the manufacturer, the Maxcap double layer capacitors have extremely high volumetric efficiency, virtually unlimited service life, fast charge/discharge capability, very low leakage current and wide operating temperature range.
Key features are: very high capacity in a small size - up to 100 times better than conventional capacitors; useful voltage ratings -5,5 V for CMOS, 11 V for LV series, backup for relays, actuators, small motors etc.; full range of sizes - from 0,022 to 2,2 F at 5,5 V; 0,47 and 1,0 F at 11 V.
Unlike batteries, Maxcap have no parasitic chemical reactions, and can be fully charged and discharged indefinitely. There is also no memory effect and they will not explode or be damaged if short circuited. They can also be installed with wave soldering equipment.
Typical applications are in CMOS RAMs and microprocessors, for wireless data pulses; relays, solenoids and starters.
The illustration shows a 1,0 F capacitor on left and a 4,7 F capacitor on right, both 5,5 V.
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