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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 ...
Ugreen (绿联) is a Chinese consumer electronics brand owned by Ugreen Group Ltd and based in Shenzhen, Guangdong. [2] [3] The brand and company was established by Zhang Qingsen in 2012, and specialises in USB hardware such as cables and AC adapters, as well as other categories of consumer electronics such as audio equipment and mobile accessories.
The capacitance values of capacitors ... [6] [7] were not ... (in ohms) E6 (in ohms) E12 (in ohms) 1.0, 2.2, 4.7, 10, 22, 47,
For brevity, the notation omits to always specify the unit (ohm or farad) explicitly and instead relies on implicit knowledge raised from the usage of specific letters either only for resistors or for capacitors, [nb 1] the case used (uppercase letters are typically used for resistors, lowercase letters for capacitors), [nb 2] a part's appearance, and the context.
Egypt: Missile boat: 6 active [4] 82 tonnes Osa-class Soviet Union: Missile boat 8 active [4] 235 tonnes Ramadan-class United Kingdom: Missile boat 6 active [4] 317 tonnes Tiger-class West Germany: Missile boat 1 active [4] 265 tonnes Shanghai II-class People's Republic of China: Gunboat: 4 active [4] 135 tonnes
A 2.26 kΩ, 1%-precision resistor with 5 color bands (), from top, 2-2-6-1-1; the last two brown bands indicate the multiplier (×10) and the tolerance (1%).. An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others.
Some different capacitors for electronic equipment Capacitors store and release electrical charge. They are used for filtering power supply lines, tuning resonant circuits, and for blocking DC voltages while passing AC signals, among numerous other uses.
[5] [6] [7] The large surface compared to a smooth one is the second reason for the relatively high capacitance values of electrolytic capacitors compared with other capacitor families. Because the forming voltage defines the oxide layer thickness, the desired voltage rating can be produced very simply.