MKT1822510064

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Film capacitors are passive, two-terminal electronic components that have a wide variety of uses in electronic devices, power supplies, and automotive electrical systems. MKT1822510064 is a film capacitor type from these options, and its application field and working principle are here to be discussed.

MKT1822510064 film capacitors are typically used in decoupling and bypassing applications due to their low dissipation factor and low-loss characteristics. Due to their low impedance and ability to reduce high frequency noise, they can also be used in audio applications for power supply filtering. They are further suitable for high DC bias circuits and suitable for DC/DC converter applications and EMC applications.

The working principle of a film capacitor can be understood as follows. As the electric potential is applied across the capacitor, current flows across it. This current is composed of both alternating current (AC) and direct current (DC). The AC current flows through the capacitor, charging and discharging it as it flows. The DC current, however, gets stored in the capacitor and is released upon voltage changes, again charging or discharging the capacitor, depending on the potential change.

Due to the presence of the DC current, the film capacitor experiences a phenomenon called capacitor offset voltage. This offset voltage is proportional to the stored DC current in the capacitor. The offset voltage compresses the overall available voltage swing, causes shifts in the frequency response and creates distortion in the audio signals. This phenomenon can only be eliminated with the proper drive circuits.

The MKT1822510064 film capacitor series are specifically designed to reduce distortion and other effects caused by the offset voltage. This is done by using a non-polarized SMD design to achieve the same impedance with different polarity of the DC bias applied. In addition, they also come with embedded EMI filters, this ensures compatibility with current EMI standards.

The series also features a polymer layer and a polyethylene-terephthalate film that reduces distortion and produces a more stable and clean signal. Additionally, they are designed to provide lower leakage current and high humidity resistance. This ensures a longer lifetime and greater reliability.

In summary, the MKT1822510064 film capacitors series offer a superior electronic design, allowing them to withstand higher peak voltages and currents while providing superior frequency characteristics. Their low leakage current and EMI filter guarantees compatibility with current standards. Moreover, they are designed to provide clean signal and reliable circuit performance, making them an ideal choice for use in various applications.

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