What is the use of terminal blocks with "diodes"

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Some small diodes in some functional spring terminals. So what does he do?
The editor today introduced the role of the diode in the switching power supply rather than the terminal. I want to use it in the power supply field where most people can guess its role in the functional spring terminal.
The loss of the switching power supply is composed of three parts: the loss of the power switch tube, the loss of the high-frequency transformer and the loss of the output end rectifier tube.
In the case of low voltage and high current output, the conduction voltage drop of the rectifier diode is higher, and the loss of the output rectifier tube is particularly prominent. Engineers usually use low-drop Schottky diodes.
At present, various low-power switching power supplies such as mobile phone chargers usually use diode rectifier circuits + heat sinks and synchronous rectifier chips. However, some manufacturers use special chips to solve the problems of complex circuit structure and high cost.
Just as our functional spring terminals are equipped with diodes, many switching power supply manufacturers choose it because it can bring convenience and safety to the use of the device, and also has its unique advantages.
However, I feel that any product that does not innovate will produce more functions and have more functions, which will soon be replaced by other products.

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