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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 (an insulator that can store charge). Capacitors can be used to store charge and release it quic...kly, such as in a flash photography circuit or a power supply filter. They can also smooth out voltage fluctuations in an AC power supply or block the flow of direct current while allowing alternating current to pass through, as in a radio's tuned circuit.Read more

Filter
EATON 42-678-2A
StyleModelPrice (ex. VAT)
A
42-678-2		€596.62
RFQ
A
42-780-10		€2,096.98
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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