Film capacitors are a type of capacitor that uses metal foil as electrodes and plastic films like polyethylene, polypropylene, polystyrene, etc., which are overlapped and wound into a cylindrical structure. Depending on the type of plastic film used, film capacitors can be categorized as polyester capacitors, polypropylene capacitors, polystyrene capacitors, and polycarbonate capacitors.
Film capacitors are widely used in various electronic products due to their advantages, including non-polarity, high frequency, good stability, long service life, and self-healing properties.
So, what roles do film capacitors play in electronic products?
Energy storage and supply
Film capacitors serve as energy storage components that can stably store and release electrical energy, providing a continuous and stable power source for electronic devices. They can effectively reduce voltage fluctuations and power supply noise, ensuring the normal operation of electronic devices and improving the performance of electronic products.
High voltage tolerance and protection for electronic devices
As electronic product functionalities and operating voltages continue to increase, film capacitors with their high voltage tolerance can protect electronic devices from voltage fluctuations or transient current damage, ensuring the devices’ proper operation.
Film capacitors have a wide operating temperature range and can provide continuous and stable power in both high and low-temperature environments. This characteristic makes film capacitors the preferred components for many military and industrial electronic devices.
Therefore, film capacitors play a crucial role in electronic products and are essential electronic components.
This article is provided by JYH HSU Electronics, a manufacturer of electronic components such as capacitors and resistors.
Post time: Nov-08-2023