The fuse of the power regulator is easy to burn. What are the specific reasons?

The power regulator is mainly composed of PC board, module and fuse. The fuse is used to protect the semiconductor module. The fuse of the power regulator is easy to burn. What are the specific reasons?

1. Transient voltage is too large (such as lightning);

2. The load is grounded (causing overcurrent) and fused;

3. The current will increase and cause the fuse to burn out before the load aging and burning out;

The fuse of the power regulator is easy to burn. What are the specific reasons?

4. There is a short circuit between the loads of the power regulator, the current is infinite, the fuse is burnt, and the module may also be burnt;

5. The load insulation of the power regulator is poor, and sometimes the fuse outside the machine is burnt.

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