MKP386M510160JT3

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Film capacitors, also known as plastic film capacitors, are passive components used to store electrical energy and help filter out fluctuations in voltage, current and frequency. The MKP386M5 series are metallized polypropylene (PP) film capacitors by TDK Corporation, which are general-purpose and designed for overload protection and snubber circuits. This article will explain the application field and working principle of the MKP386M510160JT3.

Application Field

The MKP386M510160JT3 is designed for a variety of application fields and is suitable for general-purpose industrial and automotive applications. It is commonly used in the following applications:

• Uninterruptible Power Supplies (UPS)
• Power Supplies
• DC/DC Converters
• Switched Mode Power Supplies (SMPS)
• Motor Drive Circuits
• Inverters
• Lighting Applications
• Lighting Control Applications
• High-Frequency Power Supplies

The MKP386M510160JT3 is suitable for circuits operating at low voltages up to 250V as well as low temperatures down to -40°C. Its design can withstand surge voltages of up to 7500V and offers excellent corona protection. This makes the MKP386M510160JT3 ideal for use in high-reliability applications.

Working Principle

The MKP386M510160JT3 is a metallized polypropylene capacitor. It utilizes a pre-metallized, thermally stabilized, polypropylene film for the dielectric, which is then covered with a special metallic alloy. The metallization layer provides electrical connections with the electrodes. Due to the low loss behavior of the polypropylene dielectric, the MKP386M510160JT3 capacitors provide high insulation resistance (IR) and low dielectric dissipation factor (DDF).

The MKP386M510160JT3 capacitors are also equipped with a metalized protection sleeve, which is used to protect the capacitor from external elements. The sleeve also helps to reduce noise and ensure that any static charges are dissipated. Due to its construction, the MKP386M510160JT3 is also suitable for high-frequency applications.

In operation, the MKP386M510160JT3 capacitor stores electrical energy in a dielectric medium. The capacitor is connected to a defined voltage across its two terminals. A current then flows through the capacitor as the positive and negative charges flow between the two plates, separated by the dielectric. This causes the voltage on the capacitor to build until the electric field across the dielectric can no longer sustain any additional charge. The voltage on the capacitor is then considered the ‘capacitance voltage’. As current continues to flow through the capacitor, the voltage on the capacitor starts to drop as the stored charge is gradually discharged.

The MKP386M510160JT3 is a reliable, low-loss capability capacitor designed for applications requiring high-reliability and high-performance. It provides excellent corona protection due to its metalized protection sleeve, and is suitable for use in high-frequency power supplies, motor drive circuits and other industrial and automotive applications.

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