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EATON Capacitors

Eaton capacitors are used in various applications, such as power factor correction, energy storage and voltage stabilisation. They consist of two conductive plates separated by a dielectric material ...Read More

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EATON 42-678-2A
StyleModelPrice
A
42-678-2		£606.36
RFQ
A
42-780-10		£2,131.22
RFQ

Working Mechanism

  • When a voltage is applied across the conductive plates, an electric field is created within the dielectric material, causing it to become charged.
  • This stored charge is known as a capacitor's electric charge or capacitance.

Frequently Asked Questions

How do I calculate the capacitance of a capacitor?

  • Multiply the permittivity of the dielectric material (in farads per meter) with the surface area of the plates (in square meters).
  • Divide the value obtained by the distance between the plates (in meters) to get the capacitance.

How to test the capacitor?

  • Use a multimeter to test the capacitor.
  • Disconnect the capacitor from the circuit.
  • Connect one lead of the multimeter to one terminal of the capacitor and the other lead to the other terminal.
  • Observe the reading on the multimeter.
  • If the multimeter displays a value close to the capacitor's rated capacitance, it is functioning properly.
  • If the multimeter displays a very low / high value or if the reading fluctuates rapidly, the capacitor is likely faulty.

How to maintain a capacitor?

  • Store capacitors in a dry and cool place with a stable temperature.

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