B32621A3683K289

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Film Capacitors

B32621A3683K289 Application Field and Working Principle

Film capacitors, also known as polymer film capacitors and plastic film capacitors, are capacitors that use a film as the dielectric. Compared to other capacitor types, film capacitors have great stability and reliability, low loss and high accuracy in terms of capacitance and voltage. In particular, film capacitors, with the dielectric material sandwiched between the two conductive layers, can be found in a variety of electronic components such as B32621A3683K289.

The B32621A3683K289 is a 6.8μF metallized polypropylene film capacitor, suitable for a wide variety of DC and AC applications. This can range from power supply filtering, energy storage and coupling, open circuit/short circuit protection, Rectangular Cross-section Capacitor, brushless DC motor control, voltage pulse suppression, and motor starters. Stable capacitance characteristics, low dissipation factor and low noise over a wide temperature range make it an ideal choice for the application of the B32621A3683K289.

The working principle of the B32621A3683K289 is easier to understand. Polypropylene capacitor is a kind of capacitor. Its structure is to sandwich a thin dielectric film between two metal electrodes and fix them in a sealed casing. When the AC voltage of a certain frequency is applied to the two electrodes, a certain amount of electric charge is delivered to the inner wall of the capacitor, and the charge stored here is called electric energy. When the number of input electric pulses reaches a certain level, the capacitor will be filled and charged. When the capacitor is disconnected, the charge will slowly discharge through the internal resistor, and the electric energy will slowly dissipate.

In summary, the B32621A3683K289 is a film capacitor, which is an ideal choice for DC and AC applications, with stable capacitance characteristics, low dissipation factor and low noise over a wide temperature range. Its working principle is that it is a capacitor that uses a film as the dielectric and charges and discharges when a certain amount of electric pulses is input.

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