DLR1D15J-F

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Film capacitors are widely used for AC, DC and pulse applications due to their unique electrical, physical and chemical properties. The DLR1D15J-F is one of the most popular film capacitors out there.

Overview

The DLR1D15J-F is an aluminum polyester film capacitor, with a non-connective structure, can be applied to power-line filtering, interference suppression, DC blocking, smoothing, and more. Its structure is metal-polymer-metal type. The DLR1D15J-F has capacitor electrodes made of aluminum and a chemically deposited polyester insulation layer in between. The lead wires are made of tin plated copper.

Features

• Small size and high capacitance
• Low DF and low loss
• High insulation resistance
• Good moisture resistance
• Load life of 1,000 hours minimum

Applications

The DLR1D15J-F is suitable for a variety of applications such as general purpose applications, power supply applications, DC-DC converters, switching power supply and step-down converters, EMI/RFI blocking, power-line noise suppression, and more.

Working Principle

The working principle of film capacitors is based on Faraday’s law, which states that the charge stored on a capacitor is proportional to the capacitance and also to the voltage applied to it. In the DLR1D15J-F, the dielectric material is a polyester film, which has a relatively high dielectric constant. This polyester has a uniform thickness which contributes to a low DF (dissipation factor) and low losses. The aluminum coating provides additional mechanical strength to ensure that the film remains intact even in long-term usage. The lead wires also help to provide a reliable connection between the electrodes and the load.

Conclusion

The DLR1D15J-F aluminum polyester film capacitor is a highly reliable and cost-effective solution for a variety of applications. Its small size, low dissipation factor, and good moisture resistance makes it an ideal choice for a wide range of applications. Furthermore, its lead wires ensure a reliable connection between load and electrodes.

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