China International Consumer Goods Expo 2021
Hainan in May is about to usher in another event that attracts global attention-the first China International Consumer Goods Expo will be held in Haikou from May 7th to 10th. [...]
Commonly used capacitors
The following are commonly used capacitors: 1. Aluminum electrolytic capacitor A capacitor made of absorbent paper impregnated with a paste electrolyte sandwiched between two aluminum foils, and a thin oxide [...]
European Central Bank pushes for economic recovery
European Central Bank pushes for economic recovery,As the impact of the new crown epidemic continues, the European Central Bank is cautiously optimistic about the macroeconomic prospects of the euro zone. [...]
The advantages of supercapacitor on electric bicycles
1. Supercapacitor are green energy sources (activated carbon) and do not pollute the environment; lead-acid batteries pollute the environment. 2. Advantages of supercapacitors: extremely long life, with a cycle life [...]
EU intends to exempt goods and services from VAT
(Fighting New Coronary Pneumonia) The EU intends to exempt VAT on important goods and services distributed during the epidemic Following the exemption of value-added tax on anti-epidemic materials such as [...]
Capacitor step-down principle
The principle of capacitor step-down is not complicated. His working principle is to use the capacitive reactance generated by a capacitor at a certain AC signal frequency to limit the [...]
The impact of the blockage of the Suez Canal on the world economy
The impact of the blockage of the Suez Canal on the world economy "Ships, containers, and cargo are all in the wrong place!" In recent days, practitioners in every link [...]
Application of Super Capacitors in Automobile Control
A super capacitors is a very large capacitor with a capacitance of up to thousands of farads. According to the principle of the capacitor, the capacitance depends on the distance [...]
Fire in Japanese semiconductor giant factory
Shibata Hideri, president of Japanese semiconductor giant Renesas Electronics, said on the 21st that a fire broke out in an important factory of the company, which may have a very [...]
What is a trimmer capacitor and its application
The trimmer capacitor is actually a variable capacitor, but the range of capacitance change is small, usually only a few picofarads to tens of picofarads. Trimming capacitors are divided into [...]