Electric Double Layer Capacitors (Super Capacitors)

  • This is a "Super Capacitor," which is quite a wonder.
  • The capacitance is 0.47 F (470,000 µF).
  • I have not used this capacitor in an actual circuit.

Care must be taken when using a capacitor with such a large capacitance in power supply circuits, etc. The rectifier in the circuit can be destroyed by a huge rush of current when the capacitor is empty. For a brief moment, the capacitor is more like a short circuit. A protection circuit needs to be set up.

The size is small in spite of capacitance. Physically, the diameter is 21 mm, the height is 11 mm.

Care is necessary, because these devices do have polarity.

Tags:Capacitors  

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