B32912A5683K000

Film Capacitors

Film capacitors are a type of capacitor that uses plastic film as the dielectric. They are constructed by wrapping an insulating layer around two electrodes and connecting the electrodes to external terminals. Film capacitors have many advantages over other types of capacitors such as electrolytic and ceramic capacitors. These include higher dielectric strength, better temperature stability and higher frequency response. Because the insulating layer is thin and produced in bulk, they are also more cost-effective than other capacitors.

B32912A5683K000 Application Field and Working Principle

The B32912A5683K000 is a film capacitor designed for general-purpose use. It is a non-polarized capacitor, meaning that it has symmetrical electrodes which do not have a positive or negative polarity. It has a maximum operating voltage of 400V and a capacitance of 680pF. The B32912A5683K000 has a small size and low impedance, making it suitable for use in many different applications.

The working principle of a film capacitor is based on electric charge accumulation on the capacitor’s electrodes. When a voltage is applied, electrons flow onto the conducting electrodes and create an electrical field between them. Due to the insulating layer, the electric field is contained between the two electrodes and its strength depends on the dielectric permittivity of the insulator and the distance between the electrodes. As current flows through the capacitor, charge is accumulated and stored in the electric field.

Film capacitors are used in many different applications due to their advantages over other types of capacitors. They are commonly used for power-line filtering, signal filtering, bypassing, decoupling, and in timing circuits. They are also used in electrical motor drives, instrumentation circuits, and radio-frequency circuits.