Physical characteristics of automotive fuses

What are the physical characteristics of automotive fuses ?

When current flows through the car fuse, it will heat up, and the heat generation will increase with time. The size of the current and resistance determines the speed of heat generation, and the structure of the fuse and its installation conditions determine the speed of heat dissipation. If the speed of heat generation is less than the speed of heat dissipation, the fuse will not melt. If the speed of heat generation is equal to the speed of heat dissipation, it will not melt for a long time. If the speed of heat generation is greater than the speed of heat dissipation, the heat generated will increase. Because it has a certain specific heat and mass, the increase in its heat is reflected in the increase in temperature. When the temperature rises above the melting point of the fuse, the fuse melts. This is the working principle of the fuse. We should know from this principle that when you design and manufacture fuses, you must carefully study the physical properties of the materials you choose and ensure that they have consistent geometric dimensions. Because these factors play a vital role in whether the fuse can work properly. Similarly, when you use it, you must install it correctly.

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