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October 18,2023

supercheap auto blade fuse holder.How does a fuse work?

　　　　We all know that when current flows through a conductor, it will generate heat due to the presence of a certain resistance in the conductor. And the calorific value follows this formula: Q=0.24I2RT; Where Q is the heat generated, 0.24 is a constant, I is the current flowing through the conductor, R is the resistance of the conductor, and T is the time for the current to flow through the conductor; Based on this formula, we can easily see the simple working principle of a fuse.　　When the material and shape of the fuse are determined, its resistance R is relatively determined (without considering its resistance temperature coefficient). When an electric current flows through it, it generates heat, and as time increases, its heat also increases. The magnitude of current and resistance determines the rate of heat generation, while the construction and installation of a fuse determine the rate of heat dissipation. If the rate of heat generation is less than the rate of heat dissipation,

September 10,2024

How to judge the quality of ceramic tube fuses?

　　　　1. Introduce the function and classification of ceramic tube fuses, and emphasize the importance of judging their quality.　　Ceramic tube fuse is a common electronic component mainly used to protect circuits from damage caused by overload or short circuit faults. According to different rated currents and voltages, ceramic tube fuses can be divided into various models of different specifications. It is very important to judge the quality of ceramic tube fuses in use, which can ensure the normal operation and safe use of the circuit.　　2. Introduce how to judge the quality of ceramic tube fuses through visual inspection.　　Visual inspection is one of the most basic methods to determine the quality of ceramic tube fuses. Firstly, the fuse housing should be checked for any obvious damage or deformation. Secondly, it is necessary to check whether the contact between the two ends of the fuse is tight and whether there is oxidation or corrosion. Finally, the surface of the fuse should be che

August 25,2023

How to select a suitable resistive fuse.tube amp blown fuse symptoms

　　　　The specifications of resistance fuses are distinguished based on current. If we choose a fuse with a high rated current, it will not be able to ensure safety during use. So when choosing fuses, everyone must choose according to the actual situation. So how can we choose the most suitable resistive fuse?　　The first point is that everyone should first choose a reliable production enterprise. Only by finding a trustworthy fuse supplier can we obtain the highest quality fuse products from them.　　Secondly, when selecting fuses, we must pay attention to the different materials of fuses that have different usage effects, and choose the appropriate type based on the specific properties of our own production. We may be more concerned about the price of resistive fuses, but with the continuous development and improvement of the entire market, the price of such fuses has been effectively controlled. In other words, as long as everyone purchases through normal channels, they are not afraid to

August 19,2023

The Function of Fuses in Home Circuit Leakage Protectors.battery fuse block

　　　　The voltage of a household circuit is usually 220V, and the current flowing through it is also very large. If a household circuit malfunctions or leaks, it will threaten human life safety. Therefore, in order to prevent this harm, we usually install an overload protection device in the main circuit of the household or install a fuse in the circuit. Some people want to know which one of these two has the greater effect? Next, the editor will answer for everyone.　　1、 The function of leakage protector:　　Leakage protector, also known as leakage switch or leakage protector, is mainly used to protect equipment from leakage faults and potentially fatal personal electric shock. It has overload and short circuit protection functions and can be used to protect circuits or motors from overload and short circuits. It can also be used for infrequent switching and starting of circuits under normal circumstances.　　Leakage protectors can be classified according to their protection function, struct

July 04,2023

Basic composition of fuses

　　　　A general fuse consists of three parts: one is the melt part, which is the core of the fuse and plays a role in cutting off the current when blown. Fuses of the same type and specification should have the same material, geometric size, resistance value as small and consistent as possible, and the most important thing is to have consistent fusing characteristics. Household fuses are commonly made of lead antimony alloy lead; The second is the electrode part, which usually has two important components that connect the melt to the circuit. It must have good conductivity and should not generate obvious installation contact resistance; The third part is the support part. The melt of the fuse is generally thin and soft. The function of the support is to fix the melt and make the three parts a rigid whole for easy installation and use. It must have good mechanical strength, insulation, heat resistance, and flame retardancy, and should not produce phenomena such as breakage, deformation, c

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