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The electrolytic capacitor had a life other than the electrolytic solution!

The life of an electrolytic capacitor is reached when the electrolytic solution in it escapes due to self-heating. The amount of electrolyte is ca...

スイッチング電源とは

Series connection and parallel connection method of switching power supply

There are series connection and parallel connection as a method of connecting multiple switching power supplies. If you want to increase the voltag...

スイッチング電源の使い方

【Explanation】 Why is the switching power supply not approved by PSE?

I will explain the Electrical Appliance and Material Safety Law and the PSE mark, the types of two electrical appliances, the legal obligations of PSE, and the difference between "DC power supply" and "DC power supply unit for embedding equipment".

スイッチング電源のPSE

What is FG (frame ground)？

Switching power supply has an FG (frame ground) terminal. The symbol is also different for FG and ground. I think that many people think that it ...

スイッチング電源のノイズ

[Explanation] What is a switching power supply? You can easily understand the switching power supply!

You can understand the basics of switching power supplies without circuit explanation! We will introduce the history and types of switching power supplies, shapes, outputs, load factors, lifespans, electronic components mounted on power supplies, and devices that use switching power supplies with manga pictures. Please have a look!

スイッチング電源とは