Comparative analysis of the use of aluminum and plastic cases for switching power supplies?

There are usually two types of shells for switching power supplies, one is a plastic shell and the other is an aluminum shell. What is the difference between the aluminum case and the plastic case of the Switching Power Supply? This is a comparative analysis of whether the switching Power Supply is made of aluminum or plastic.

1. Advantages and disadvantages of switching power supply aluminum shell:

The advantages of using aluminum shell for switching power supply are mainly that the metal shell has good heat dissipation conditions, strong structure, wear resistance, heat resistance, corrosion resistance, strong metal texture, and high aesthetics in people's hearts.

The main disadvantages of using aluminum shells for switching power supplies are that the metal shell has high manufacturing costs, complicated forming, and leakage has occurred. It cannot be touched by hands during work and maintenance is not convenient.

2. The advantages and disadvantages of the plastic shell of the switching power supply:

The main advantages of using plastic shells for switching power supplies are that the plastic shell has low manufacturing cost and quick shaping, which is conducive to adopting various shapes and structures to adapt to the use environment. It can be touched by hand while working, and maintenance is convenient.

The main disadvantage of using plastic shells for switching power supplies is that the heat dissipation conditions of the plastic shell are not as fast as the metal shell, the structure is relatively firm, not wear-resistant, low thermal melting point, corrosion-resistant, and the appearance does not conform to the aesthetics of mass consumers.

In addition, the aluminum shell of the switching power supply will be sprayed with external electrostatic. The colors are off-white, dark gray, black, army green, etc., which can be selected by consumers. However, the plastic shell of the switching power supply is subject to plastic heat dissipation requirements. There are basically only two kinds of influence, black and white, and the choices available to consumers are relatively narrow.

Generally speaking, the working environment of the switching power supply causes the switching power supply with aluminum shell to be better than the switching power supply with plastic shell, and the service life is relatively longer. Therefore, in general, everyone sees and buys aluminum shells on the market There will be more switching power supplies, and there will be less switching power supplies with plastic cases.

Then there is the same profit ratio. Switching power supply manufacturers are more willing to produce higher-priced aluminum shell switching power supplies, and reduce the production of plastic shell switching power supplies. Of course, if it is a customized switching power supply, the choice of the shell is based on everyone's wishes.

Best regards,

Ada Zheng