Nov. 17, 2021
A film capacitor is a capacitor in which metal foil is used as an electrode, and plastic films such as polyethylene, polypropylene, polystyrene or polycarbonate are overlapped from both ends and then wound into a cylindrical structure. According to the type of plastic film, they are called polyethylene capacitors (also known as mylar capacitors), polypropylene capacitors (also known as PP capacitors), polystyrene capacitors (also known as PS capacitors) and polycarbonate capacitors.
The reason why new energy vehicles choose film capacitors is that capacitors are generally used in three places in automobiles: energy storage, electric motors, and electric control. In the design of the power supply part of new energy vehicles, high-voltage capacitors are required for rectification and filtering applications. The interior of the car usually has a poor working environment. The capacitors are required to have high temperature resistance, high reliability, and long use time.
The Advantages Of New Energy Film Capacitors:
1) Due to the characteristics of the dielectric material of the film capacitor, its low ESR value is determined, so its calorific value is low. In addition, it can achieve high ripple voltage.
2) It has the characteristics of a wider operating environment temperature range. This is also the difference between liquid capacitors and solid capacitors. Film capacitors have good stability at low temperatures.
The above content is the reason film capacitors are used in new energy vehicles. To purchase film capacitors, you must choose a regular manufacturer.
Dongguan Zhixu Electronic Co., Ltd. (also JYH HSU(JEC)) has a full range of varistor and capacitor models with guaranteed quality. JEC has passed ISO9001:2015 quality management system certification; JEC safety capacitors (X capacitors and Y capacitors) and varistors have passed national certifications of the main industrial powers across the world; JEC ceramic capacitors, film capacitors and super capacitors are in compliance with environmental protection indicators. We have over 30 years of manufacturing experience. If you have technical questions or need samples, please contact us.
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