F1778415M2FCB0

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F1778415M2FCB0 Application Field and Working Principle

Film capacitors, also known as plastic film capacitors, are non-solid electrolyte capacitors, consisting of a plastic film, electrodes and insulation, which belong to non-solid electrolyte electrophoretic capacitor. F1778415M2FCB0, a film capacitor, is widely used for coupling and shielding purposes. Herein, the application field and working principle of F1778415M2FCB0 will be discussed in detail.

Application Field

Because of its small size and high inherent capacitance, F1778415M2FCB0 film capacitors are mainly used in multi-layer ceramic capacitor applications, including special filtering function and high frequency function. With the increasing demand for high frequency utilization, F1778415M2FCB0 capacitors are extensively used in the design of corner-frequency mechanical resonators, high-Q filters, and high-frequency switches. Also, F1778415M2FCB0 film capacitors are applied to Bluetooth, WiFi, and other high-frequency digital circuits. The common working voltage of F1778415M2FCB0 film capacitors is usually 400V and other values, such as 600V, 630V, 1000V and so on, depending on the actual application of circuit.

Working Principle

The working principle of the F1778415M2FCB0 film capacitor is as follows. First, a high-end electrostatic grid is produced on the plastic film after coating the desired metal composite film. Then, two parallel perforated metal plates, known as electrodes, are connected by an insulator. Between two electrodes, there exists an alternating current. The electrons that compose the alternating current are attracted to the bottom electrode and dispersed. The more electrons that are drawn away, the higher the electric potential of the top electrode and the greater the distance between the two plates. By doing so, the capacitance value between them changes, and then the voltage between them follows.

In addition, the electrostatic field distribution of the F1778415M2FCB0 film capacitor is uniform due to the parallel structure of the electrodes. As a result, the usage of F1778415M2FCB0 film capacitors as special filtering function and high frequency function reduces the size of the circuit board, increasing the machine\'s miniaturization.

Conclusion

In conclusion, F1778415M2FCB0 film capacitors are widely used for coupling and shielding purposes because of its small size and high inherent capacitance. Asides from multi-layer ceramic capacitor applications, F1778415M2FCB0 film capacitors can also be used as corner-frequency mechanical resonators, high-Q filters, and high-frequency switches. The working principle of the F1778415M2FCB0 film capacitor is that its electrostatic field distribution is uniform due to the parallel structure of the electrodes. As a result, the usage of F1778415M2FCB0 film capacitors reduces the size of the circuit board, increasing the machine\'s miniaturization.

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