Jun. 20, 2022
Film capacitors occupy an important position in electronic products due to their non-polarity, high insulation resistance, wide temperature range, long service life, excellent frequency characteristics, small dielectric loss, and self-healing performance. Washing machines and electric fans have film capacitors in them. In addition, transportation vehicles also have film capacitors. So what role do film capacitors play in different household appliances? Read this article to find out.
1. Film capacitors play a role in buffering and clamping of power current, resonant bypass and suppressing electromagnetic interference of power supply in power electronic circuits.
2. When the film capacitor is used in the resonant converter, it can resonate with the inductance in the resonant converter.
3. When the film capacitor is used in the filter circuit, it can eliminate the voltage pulsation in the filter circuit, absorb the peaks of the voltage, eliminate the valleys of the voltage, and suppress and prevent the interference of other frequency signals.
4. When the film capacitor is used as a bypass, it reduces the impedance of the DC bus and absorbs the ripple current from the load, thereby effectively suppressing the fluctuation of the DC bus voltage due to sudden changes in the load.
Although the role of film capacitors in different applications is different, it is an indispensable electronic component. When purchasing film capacitors, you should choose a film capacitor manufacturer with quality assurance and after-sales service.
JEC original manufacturer not only has full models of ceramic capacitors with guaranteed quality, but also offers worry-free after-sales. JEC factories has passed ISO9001:2015 quality management system certification; JEC safety capacitors (X capacitors and Y capacitors) and varistors have passed the certification of various countries; JEC ceramic capacitors, film capacitors and super capacitors are in line with low carbon indicators.