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  2. Motor capacitor - Wikipedia

    en.wikipedia.org/wiki/Motor_capacitor

    Motor capacitors are used with single-phase electric motors [3]: 11 that are in turn used to drive air conditioners, hot tub/jacuzzi spa pumps, powered gates, large fans or forced-air heat furnaces for example. [1] A "dual run capacitor" is used in some air conditioner compressor units, to boost both the fan and compressor motors. [1]

  3. Aluminum electrolytic capacitor - Wikipedia

    en.wikipedia.org/.../Aluminum_electrolytic_capacitor

    The voltage rating does not need to be symmetrical; "semi-polar" capacitors can be made with different thicknesses of oxide coatings, so they can withstand different voltages in each direction, [38] but these bipolar electrolytic capacitors are not adaptable for main AC applications instead of power capacitors with metallized polymer film or ...

  4. Motherboard - Wikipedia

    en.wikipedia.org/wiki/Motherboard

    These capacitors may be rated for 5000, 10000 or 12000 hours of operation at 105 °C (221 °F), extending the projected lifetime in comparison with standard solid capacitors. In desktop PCs and notebook computers, the motherboard cooling and monitoring solutions are usually based on a super I/O chip or an embedded controller.