B32529C0155K189

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Film capacitors are capacitors with thin plastic films as the dielectric materials, which have small dimensions and large capacitance, and are widely used for power filtering and high frequency decoupling. B32529C0155K189 is a type of film capacitor of EPCOS which is designed for DC-linking applications. Now let us take a closer look on what makes its application field and working principle.

Introduction to B32529C0155K189

B32529C0155K189 type is a metalized polyester film capacitor which has a non-inductive winding of two metalized polyester film layers and which is axial leaded and both ends are tinned. Polyester film is characterized by its good insulation, excellent dielectric properties and high capacitance stability. And moreover, the tinned wire has great properties in terms of temperature stability and lead strength. With these features, B32529C0155K189 is perfect for applications in high temperature environment. Its discharge time is less than 5 seconds, enabling long-term stable operation in DC-linking circuits. Also, its internal resistance is low, so even when the difference between the voltage of two end is large, it can ensure the stable transfer of electric current.

Application Field of B32529C0155K189

The characteristics of B32529C0155K189 makes its application field quite vast. It can be used in AC motors, induction cooking, solar inverters and car audio. The most common application of B32529C0155K189 is in DC-linking applications, such as power supplies and DC/DC converters. In these applications, it is used to suppress RFI and EMI noises, thus reducing the interference in the system. Besides, as its discharge time is short, it is also widely used in energy storage circuits. Last but not least, due to its low internal resistance, it can also be used in timing, relay and contactor controlling systems.

Working Principle of B32529C0155K189

To understand the working principle of B32529C0155K189, we need to look at the method of how capacitors store and discharge energy. Basically, capacitors are made of two conductive plates separated by a dielectric. When given a DC voltage, the plate on the negative side will get charged with an amount of electrons, while the plate on the positive side will lose an amount of electrons. This causes the plates to have opposite charges and attracts each other, which is what makes capacitors store energy. When the capacitor is connected with an external resistance, the stored energy will be gradually discharged. So, when B32529C0155K189 is used in DC-linking applications, it can be used to filter the DC current and discharge the energy stored in the capacitor. And when it is used in energy storage circuit, the capacitor can be used to store and supply the energy needed by the circuit.

Conclusion

In conclusion, B32529C0155K189 is a kind of film capacitor that is designed for DC-linking applications. Its polyester film with high insulation, dielectric properties and capacitance stability, as well as its tinned wire with temperature stability and lead strength, make it perfect for operating in high temperature environment and makes its application field quite vast, such as AC motors, induction cooking, solar inverters and contactor controlling systems. Its working principle is to store and discharge energy through the two opposite charges of the capacitor when connected with an external resistance.

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