Calculation method for film capacitor

The characteristics of the film capacitor are as follows:

1.film capacitor can store electric charge and has the function of blocking DC;

2. AC power can "pass" the film capacitor;

3. The capacitive reactance of the film capacitor;

The film capacitor series calculation method: the equivalent capacitance formula is similar to the resistance parallel: C = (C1 * C2) / (C1 + C2). For example, after two 100 microfarad capacitors are connected in series, it becomes a 50 microfarad capacitor. The two-capacitor series withstand voltage is the sum of the two, and the capacity is the reciprocal and the fraction of the two. The two-capacitor parallel withstand voltage is the value with low withstand voltage in both, and the capacity is the sum of the two. Simply put, the series withstand voltage rises and the capacity decreases. The parallel withstand voltage is constant and the capacity is increased.

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