10 Terms
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Capacitors
Contributors in Capacitors
Capacitors
Impedance
Electrical equipment; Capacitors
The total opposition that a circuit offers to the flow of alternating current or any other varying current at a particular frequency. It is a combination of resistance R and reactance X, measured in ...
Impregnate
Electrical equipment; Capacitors
To fill the voids and interstices of a material with a compound.
Supercapacitors
Electrical equipment; Capacitors
Another word for Ultracapacitors. Made from carbon aerogel, carbon nanotubes, or highly porous electrode materials. Extremely high capacity. Can be used in some applications instead of rechargeable ...
Surface leakage
Electrical equipment; Capacitors
The passing of current over the boundary surfaces of an insulator as distinguished from passage through its volume.
Surge
Electrical equipment; Capacitors
A transient variation in the current and/or potential at a point in the circuit.
Tantalum capacitor
Electrical equipment; Capacitors
Compact, low-voltage devices up to several hundred µF, these have a lower energy density and are more accurate than aluminium electrolytics. These capacitors are comprised of a permeable tantalum ...
Temperature coefficient
Electrical equipment; Capacitors
The change in capacitance with temperature expressed linearly as parts per million per degree centigrade (PPM/°C), or as a percent change over a specified temperature range. Most film capacitors are ...
