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A supercapacitor is a special type of electrolytic capacitor that offers particularly high electric capacity (up to several thousands farads) with operating voltage at the level of 2-3V. Moreover, it is characterised by high efficiency and power density, which allows for the reception of high energy in short times (short charging and discharging times). It also works in a wide operating temperature range: from -40 to +85°C. Disadvantages include variable voltage value at the clamps and the necessity to adjust the circuitry to low voltages. Supercapacitors are based on electrodes made from multi-wall carbon tubes, which ensure large active surfaces (up to 2,500 sq. m per gram). To provide expected operating voltages (2.7–2.8V), water or organic electrolytes are used. Among possible application are automotive industry (electric and hybrid cars, KERS system), emergency lighting systems, energy sector, or emergency power supply systems (UPS, ICT devices).
Transfer Multisort Elektronik online store distributes supercapacitors of up to 3,000 farads, for THT, SMD, or SNAP-IN mounting. Each item includes information on pinout, dimensions, and operating temperature of a given component. You can also check information regarding the equivalent series resistance (ESR) or operating voltage of a capacitor. Component data sheets present the most important characteristics and basic parameters, depending on the model. TME offers components from various manufacturers, such as Kemet, Maxwell Technologies, Samxon, or Panasonic. Price depends on the ordered amount, and price thresholds are presented for each available item.
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