A film capacitor is a capacitor in which a metal foil is used as an electrode, and a plastic film such as polyethylene, polypropylene, polystyrene or polycarbonate is overlapped from both ends and then wound into a cylindrical structure. The following are the precautions for using film capacitors: 1. Working voltage The choice of film capacitor [...]
According to British media reports, as online payment is booming in India, one of the economies most affected by the new crown pneumonia epidemic, India plans to promote its digital payment model globally. The British "Financial Times" website reported on July 25 that since its launch in 2016, India's "Unified Payment Interface" (UPI) has promoted the [...]
Super capacitor refers to a new type of energy storage device between traditional capacitors and rechargeable batteries. It not only has the characteristics of fast charging and discharging of capacitors, but also has the energy storage characteristics of batteries. The Super capacitor classification method is: First, according to different energy storage mechanisms, supercapacitors can be divided [...]
WeChat stops serving Indian users. According to news on July 26, the WeChat service for users in India is no longer available. A number of WeChat Indian users revealed that they were forced to log out continuously and could not log in again when using WeChat. No matter what the network status. After the Indian government [...]
A polarized capacitor dropped into an AC circuit is a short circuit waiting for its moment. That is the practical difference between a DC capacitor and an AC capacitor, and it decides which one you are allowed to put in a given position. The difference comes down to what the oxide layer does when the voltage [...]