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Country CodeThis is what electronic components look like when they are cut open
What does the inside of commonly used electronic components look like? Have you seen it? Today we will take a look at the internal structure of electronic components! Here are cross-sections of 25 com
What are the advantages of thin film capacitors in handheld devices?
With the development of technology and the progress of the times, people have a life with electronic products. Many families have electronic products such as smartphones, computers, televisions, refri
Are supercapacitors environmentally friendly?
The development of technology and the times has produced many useful and convenient electronic products. The emergence of these electronic products has not only improved people's lives but also greatl
The role of thermistors in printers
The printer generates heat when it is working. You can feel that the body of the printer is very hot, and the printed paper is also hot. Why is this? Since the heat roller keeps rotating when the prin
The difference between three-terminal regulator and LDO regulator
1. Three-terminal voltage regulator:The output transistors of a typical three-terminal regulator (also known as a standard regulator) use NPN transistors or N-channel MOSFETs.This type of regulator re
What does the silk screen on the safety capacitor mean?
Safety capacitors are one of the electronic components widely used in electronic equipment, and are widely used in DC blocking, coupling, bypass, filtering, tuning loops, energy conversion, control ci
Three working states of the triode
The triode has three working states: cut-off state, amplification state and saturation state. The working state of the triode used for different purposes is different.1. Transistor cut-off working sta
Which is more powerful, the Zener diode or the varistor?
Semiconductor deviceA semiconductor device is an electronic device whose conductivity is between a good conductor and an insulator. It utilizes the special electrical characteristics of semiconductor
Invertering converter is a special kind of switching power supply that is rarely used. Its output voltage polarity is opposite to that of the input voltage, and the absolute value of the output voltag
H-bridge drive circuitA typical DC motor control circuit is shown in Figure 1. The circuit gets its name from "H-bridge drive circuit" because of its shape resembling the letter H. The 4 triodes make
What are the general factors that cause the inverter to fail?
The cause of inverter failure has a lot to do with the production environment, mainly in the following categories:1. Corrosive gas is the cause of inverter failure. There are corrosive gases in the wo
What is the principle of zinc oxide varistor? What are the characteristics?
Zinc oxide varistors are based on zinc oxide (ZnO), mixed with various metal oxides such as Bi2O3, Co2O3, MnCO3, and are made through multiple processes such as high-temperature sintering, welding, an
What is the difference between precision resistors and ordinary resistors?
1. Differences in material propertiesOver a certain temperature range, the tolerance of precision resistors is much smaller than that of ordinary resistors.2. Substantial differencesThe materials used
Electronic Filter Design Based on Transistor
[Task] In order to obtain a DC voltage with low ripple, the common practice is to use RC filter, LC filter and corresponding Π filter, but the use of capacitor or inductor filter has the following dis
How to Correctly Select the Inductance Value of Switching Regulator?
A switching regulator converts an input voltage to a higher or lower output voltage, and to do this, an inductor is used to temporarily store electrical energy. The size of the inductor depends on the