MKP385251040JBM2B0

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Film capacitors are one of the most common types of capacitors used today. They are typically constructed using two metalized polyimide plastic films, an insulating dielectric material, and a polyester film. The two metalized films form the two plates of the capacitor, and act as conductors when a voltage is applied. The insulating material, called the dielectric, acts as an insulator between them, preventing current from passing through.

The MKP385251040JBM2B0 is a polyester film capacitor, which uses polyester film as the dielectric. This capacitor type is usually intended for use in high voltage applications, such as switching power supplies and DC-DC converters. It is an extremely reliable component, and is commonly used in applications where long life and stability are required.

The MKP385251040JBM2B0 has many advantages and features that make it ideal for these applications. The first advantage is its high capacitance rating. At 25.4V and 68uF, the MKP385251040JBM2B0 is capable of absorbing high amounts of electric energy. This makes the capacitor well-suited for applications that require high levels of power storage.

The second advantage of the MKP385251040JBM2B0 is its low temperature coefficient. The polyester film used as the dielectric has a temperature coefficient as low as -650ppm/K. This means that the value of the capacitor will remain relatively unchanged over a wide range of temperatures. This makes the capacitor highly suitable for use in harsh environments, such as high altitude or high temperature applications.

The third advantage of the MKP385251040JBM2B0 is its low ESR (equivalent series resistance). The low ESR of the capacitor allows for higher power pulses to be transmitted with minimal loss of energy. This makes the capacitor well-suited for use in high frequency, high current applications such as class D audio amplifiers and DC-DC converters.

Finally, the MKP385251040JBM2B0 has a high ripple current rating. The ripple current through the capacitor is an indication of how much power can be stored within the capacitor. The ripple current rating of the MKP385251040JBM2B0 is 35 x rated voltage at 100kHz. This rating makes it ideal for use in high power applications such as switching regulators.

In conclusion, the MKP385251040JBM2B0 is a high performance film capacitor. It is specifically designed for use in high voltage applications, where long life and stability are key requirements. Its high capacitance rating and low temperature coefficient make it well-suited for use in high altitude or high temperature environments. It also has a low ESR and high ripple current rating, making it a good choice for high frequency, high current applications.

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