PCF1C390MCL4GB

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Aluminum-polymer capacitors are the type of capacitors most commonly used in the electronics industry. They employ a dielectric layer of aluminum oxide that acts as an insulator, placed between two layers of aluminum-polymer material. This layer helps to reduce the electric field, allowing for a much higher capacitance compared to other types of capacitors. The PCF1C390MCL4GB is a series of aluminum-polymer capacitors manufactured by Panasonic.

Applications of PCF1C390MCL4GB

The PCF1C390MCL4GB capacitors are designed for use in a variety of applications, including high frequency filtering, general applications, engine control, and switching power supplies. In power supplies and other circuits where noise suppression is required, the significantly lower ESR (equivalent series inductance) and ESL (Self-Inductance) of aluminum-polymer capacitors can greatly reduce noise and ripple. Additionally, the extremely low DC leakage of these capacitors makes them ideal for applications requiring low-loss power supply capacitors.

Advantages of PCF1C390MCL4GB

The PCF1C390MCL4GB series of aluminum-polymer capacitors are far more reliable than aluminum electrolytic capacitors, due to the lack of liquid electrolyte used in their construction. Since there is no liquid to evaporate, the capacitors can operate without any drying out over a long period of time. Along with this, they also have a much higher vibration resistance and far higher temperature range than aluminum electrolytic capacitors, allowing them to be used in higher temperature environments.

PCF1C390MCL4GB Working principle

In PCF1C390MCL4GB capacitors, two layers of polarized aluminum-polymer material are separated by a layer of aluminum oxide. The oxide acts as an insulator and provides a high dielectric constant, which allows for a high capacitance level. When a voltage is applied between the terminals, an electric field is created which causes the oxide to become polarized. The polarization results in an increase of free electrons, which increases the capacitance of the capacitor.

Conclusion

The PCF1C390MCL4GB series of aluminum-polymer capacitors are designed for use on high frequency filters and other applications requiring high reliability and low-loss power supply capacitors. The extremely high capacitance, low ESR and ESL, and excellent temperature range of these capacitors make them ideal for a wide variety of applications. Additionally, the lack of liquid electrolyte greatly increases the capacitors’ life-time and vibration resistance, making them much more reliable than aluminum electrolytic capacitors.

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