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The Dubilier Condenser Company was the earliest commercial manufacturer of electronic capacitors (formerly known as condensers) which were widely used in early radio receivers (wireless sets). The company was founded in New York in 1920 by William Dubilier , who was responsible for many early developments in the field of electronics and radio ...
A capacitor is a passive device on a circuit board that stores electrical energy in an electric field by virtue of accumulating electric charges on two close surfaces insulated from each other. This is a list of known capacitor manufacturers, their headquarters country of origin, and year founded. The oldest capacitor companies were founded ...
William Dubilier, whose first patent for electrolytic capacitors was filed in 1928, [16] industrialized the new ideas for electrolytic capacitors and started the first large commercial production in 1931 in the Cornell-Dubilier (CD) factory in Plainfield, New Jersey. [14]
Failed aluminium electrolytic capacitors with open vents in the top of the can, and visible dried electrolyte residue (reddish-brown color) The capacitor plague was a problem related to a higher-than-expected failure rate of non-solid aluminium electrolytic capacitors between 1999 and 2007, especially those from some Taiwanese manufacturers, [1] [2] due to faulty electrolyte composition that ...
In 1920 Dubilier developed a capacitor consisting of a flaked sheet of mica coated on both sides with silver. He formed the Dubilier Condenser Company to manufacture them. Ceramic capacitors were also used in the 1920s due to a shortage of mica, but by the 1950s silver mica had become the capacitor of choice for small-value RF applications. [ 1 ]
The predominant application of all electrolytic capacitors is in power supplies.They are used in input and output smoothing capacitors, as decoupling capacitors to circulate the harmonic current in a short loop, as bypass capacitors to shunt AC noise to the ground by bypassing the power supply lines, as backup capacitors to mitigate the drop in line voltage during sudden power demand or as ...
William Dubilier (July 25, 1888 – July 25, 1969) was an American inventor in the field of radio and electronics. He demonstrated radio communication at Seattle's Alaska–Yukon–Pacific Exposition on June 21, 1909; ten years before the first commercial station operated. [ 1 ]
Advert from the 28 December 1923 edition of The Radio Times for Dubilier condensers, for use in wireless receiving sets. Early capacitors were known as condensers, a term that is still occasionally used today, particularly in high power applications, such as automotive systems.
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