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Polymer Capacitors Take the Lead in the Capacitor Market

The power and energy storage market is expected to experience tremendous growth in the coming years. Polymer capacitors are the most widely used material because of their high-quality, low-cost technology.

What is a polymer capacitor?

A polymer capacitor is a polymer film with an electrode on one side and a conductive substrate on the other. The polymer film acts as the capacitor’s dielectric, while the substrate provides the electrical connection to the outside world.

Polymer capacitors are becoming increasingly popular due to their many advantages over traditional aluminum electrolytic capacitors. These advantages include:

Lighter weight: Polymer capacitors are typically considerably lighter than traditional aluminum electrolytic capacitors, making them more space-efficient.

Less expensive: Polymer capacitors are generally cheaper than aluminum electrolytic ones, making them a good choice for applications where cost is a priority.

Improved reliability: Polymer capacitors are known for their high reliability, making them a good choice for applications where reliability is important.

Another advantage of polymer capacitors is their low leakage current. Leakage current is the amount of current that flows through a capacitor when it is under load (for example, when you are turning the lights on and off). Leakage current is one of the most important factors in determining the lifespan of a capacitor because it leads to decreased battery life and increased running costs. Polymer capacitors tend to have lower leakage currents than traditional aluminum electrolytic capacitors, which

How does a Beryl polymer capacitor compare with traditional capacitors?

Polymer capacitors are growing in popularity because they offer many advantages over traditional capacitors. Here are four reasons why polymer capacitors are better than aluminum electrolytic capacitors:

  1. Polymer capacitors have a longer lifetime. A polymer capacitor can last up to 10 times longer than a traditional capacitor before it needs to be replaced.
  2. Polymer capacitors are more efficient. A traditional capacitor is only 60% as efficient as a polymer capacitor at storing energy, so you will need to use more of them to achieve the same results.
  3. Polymer capacitors don’t have significant electrical emissions.
  4. Polymer capacitors are cheaper to manufacture than traditional capacitors.


Polymer capacitors made by Beryl are the most popular type in the aluminum electrolytic capacitor market. The reason for this is their ability to provide high capacitance values and long life, making them ideal for applications requiring a high-reliability level.

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