DPPM10D22K

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Film capacitors, also known as film dielectric capacitors, plastic film capacitors, polyester capacitors or paper capacitors, refer to devices that store electric energy using a thin plastic film (insulating layer) as the dielectric. The DPPM10D22K is a film capacitor with a multilayer structure composed of an insulating plastic film, aluminum foils and copper wire. It offers a wide range of features and works in many electronic applications; let’s consider its application field and working principle.

The DPPM10D22K is commonly used in DC-DC converters, synchronous rectifiers, RFI/EMI filters, high voltage DC-to-DC converters and multi-stage switching converters. It also works in power supplies with high mechanical strains due to its low inductance design. The capacitor’s characteristics also make it suitable for use in automotive electronics, consumer and industrial electronics, switch mode power supplies, among other applications.

The DPPM10D22K encapsulates multiple layers of thin plastic film, each layer individually insulated by aluminum foils. The internal layers carry the electric current, creating a low inductance design. The plastic film provides excellent stability against temperature and humidity, ensuring the capacitor’s performance. The copper wire winding around the multilayer structure allows the connection of the capacitor with other electronic components.

The working principle of the DPPM10D22K is based on the electric field. Upon voltage application, a static electric field is established between the plates and the insulators that form the capacitor. This field induces electric polarization in all insulators along the dielectric, determining the electric charge carriers’ direction. The electric field intensity depends on the material’s dielectric constant, in the case of the DPPM10D22K, the materials used provide the capacitor with a stellar electrical performance.

The DPPM10D22K is capable of a wide range of temperature ratings, from -40 °C to125 °C, and operates at most pulse switches with a frequency of 100 kHz or higher. Its high charge and discharge imbalance ensures higher reliability in a wide range of electronic applications. Its high discharge resistance also guaranties low dielectric losses.

In conclusion, the DPPM10D22K is a High-grade Type multilayer film capacitor offering excellent performance in a wide range of applications. Its features and characteristics make it suitable for DC-DC converters, synchronous rectifiers, RFI/EMI filters, high voltage DC-to-DC converters, multi-stage switching converters and power supplies with high mechanical strains. Its working principle is based on the electric field between the internal layers of the capacitor, providing a low inductance design and a reliable electric performance.

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