DPPM10D12K-F

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Film Capacitors are the most widely used type of capacitor in electronic applications, and their popularity is growing as the demand for smaller, more efficient capacitors increases. The DPPM10D12K-F is a film capacitor that offers a range of features that make it a perfect choice for a variety of applications. This article will provide a detailed overview of the DPPM10D12K-F, including its applications and working principle.

Application Field

The DPPM10D12K-F is a plastic film capacitor designed for general purpose use in power electronic circuits, such as power filtering, motor drives, power management, and power conditioning. It is also suitable for use in high frequency circuits such as switched mode power supplies (SMPS) and lighting control. The DPPM10D12K-F is designed with a low equivalent series resistance (ESR) and low inductance to provide superior frequency performance.

The DPPM10D12K-F is especially well-suited for use in high temperature applications. It is rated to operate up to +125°C with 85°C temperature rise over ambient. This makes it ideal for use in high power density applications, such as HID lighting, automotive lighting, and motor control.

Working Principle

The DPPM10D12K-F is a polyester film capacitor that utilizes an aluminum polymer film as the dielectric and aluminum electrodes as the capacitor’s conducting plates. The aluminum polymer film is a combination of polyester and aluminum that offers excellent electrical and mechanical properties, including high dielectric strength, low dissipation factor, high temperature performance, and excellent environmental stability.

The characteristics of the DPPM10D12K-F vary depending on the product configuration. The capacitance range of the DPPM10D12K-F is 0.22 µF to 560 µF. The capacitor has a voltage rating of 630VAC for single-phase, 1000VAC for three-phase and up to 1700VAC line-to-line. The capacitance tolerance is 5%, 10%, or 20%, and the operating temperature range is -65°C to +125°C.

The DPPM10D12K-F offers excellent self-healing characteristics, meaning it does not require replacement if it is damaged due to electrical overstress. The self-healing capability of the DPPM10D12K-F is due to the combination of its charge-balancing layer and its dielectric film. When the capacitor is exposed to an alternating voltage, the current flowing through the conducting plates and the insulating dielectric film creates an electrostatic field, which balances the charge across the film. This charge balancing keeps the capacitor from becoming permanently damaged due to overload.

Conclusion

DPPM10D12K-F plastic film capacitor is an ideal choice for high temperature applications such as HID lighting, automotive lighting, and motor control. Its wide operating temperature range, low ESR, low inductance, and high temperature performance make it an excellent choice for power conditioning and power management applications. Its self-healing characteristics also make it more reliable than other types of capacitors. With its range of features and applications, the DPPM10D12K-F is a great option for any film capacitor project.

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