Computer switching power supply heat sink modification problem

The power switching tubes in a switching power supply are of course with high voltage. If heat dissipation is needed, it is best to use a large heat sink and air cooling. Schottky tube cooling, it is recommended to use a heat sink with air cooling as well. Also, that tube generally runs at 7 or 8 tenths of a degree with no problem. It won't affect the output much.

On additional questions:

1?The main switching tube can be used with a large heatsink. Fans generally can't be eliminated, see answer to question 3

2?Diodes are packaged in such a way that most diode heat sinks can't be directly grounded.

3?The heat of the power supply is mainly switching tubes, high frequency transformers. Then there are other driver tubes, diodes, capacitors and so on. Therefore, the general fan can not be less.