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The main differences between thin film capacitors and electrolytic capacitors are reflected in the following aspects:

Capacitance: Electrolytic capacitors typically have a larger capacitance because their design allows for greater charging and discharging currents. In contrast, the capacity of thin film capacitors is smaller, especially the capacity of individual capacitors.

ize: The size of a thin film capacitor is usually larger than that of an electrolytic capacitor because the material and design of the thin film capacitor make it larger in volume.

Polarity: Thin film capacitors do not have a fixed polarity, meaning they are non-polar, so they can be installed without distinguishing between positive and negative poles. On the contrary, most electrolytic capacitors are polarized and must be strictly distinguished between positive and negative electrodes when used.

Lifetime: Although the price of electrolytic capacitors may be lower, their short lifespan, especially in high-temperature environments, may lead to a rapid decline in capacitor performance. In contrast, thin film capacitors have a longer lifespan and better stability.

Temperature characteristics: Thin film capacitors can operate normally over a wide temperature range, while electrolytic capacitors are more sensitive to temperature, and high or low temperatures can affect their performance.

Overvoltage capability: Thin film capacitors can operate safely at higher voltages, while electrolytic capacitors can only maintain their function under a certain proportion of overvoltage.

Frequency characteristics: Thin film capacitors perform well in high-frequency applications with low losses, while the capacity of electrolytic capacitors decreases with increasing frequency, resulting in increased losses.

In summary, thin film capacitors and electrolytic capacitors each have their unique advantages and usage scenarios, and the choice of which type of capacitor depends on specific application requirements.