F339X121533MC02W0

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Film capacitors are the form of electric capacitors that uses a thin plastic film as the dielectric medium. The Film capacitors include metallized film capacitors, polyester film capacitors, polypropylene film capacitors and polystyrene film capacitors. These devices are used to store electric charge and energy.

F339X121533MC02W0 Application Fields

F339X121533MC02W0 is a metallized polyester film capacitor used in a wide variety of application fields. Commonly, it is applied in SMPS design such as EMI filter, timing circuits, audio coupling, radio receivers and transmitting circuits, and pulse motor circuits. In addition, the F339X121533MC02W0 can also be used in DC-to-DC converter, switch-mode DC power supply, and ground loop filter circuits. Other common application fields include switching power supplies, electronic ballasts and other inductive circuits

Working Principle

In its simplest form, a film capacitor functions by two parallel conductive surfaces sandwiching a dielectric layer. The activity of the film capacitor is controlled by the dielectric material. The polyester film within the F339X121533MC02W0 serves as the dielectric. When a voltage is applied, a layer of electric charge is formed at the interior surface of the capacitor plates. This electric field will induce an opposite electric field on the dielectric layer. The opposing electric fields will interact in the dielectric and generate a capacitance effect. The dielectric material then affects the amount of charge held and the capacitance. The higher the dielectric constant, the higher the capacitance. The capacitance of the F339X121533MC02W0 is mainly vary from 0.047 uF to 1500uF.

In addition, the F339X121533MC02W0 capacitor can handle high temperatures up to 125°C and is also known for its superior insulation and excellent stability over time. The device also has a very low ESR and ESL (Equivalent Series Resistance and Equivalent Series Inductance) for high frequency applications. Over time, the capacitance of thee devices will remain stable regardless of the ambient temperature and humidity.

Conclusion

The F339X121533MC02W0 devices are used for a wide variety of application fields, such as Audio Coupling, EMI Filtering and Switching Power Supplies. The device works by two parallel conductive surfaces sandwiching a dielectric layer, forming electric field that will interact in the dielectric and generate a capacitance effect. The F339X121533MC02W0 capacitor can handle high temperatures up to 125°C and is also known for its superior insulation and excellent stability over time.

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