How to make a rectifier bridge with diodes

Date:2024-12-17 Categories:Product knowledge Hits:264 From:Guangdong Youfeng Microelectronics Co., Ltd


We all know that a rectifier bridge is composed of multiple diodes, with one end of the load being positive and one end being negative, and the two ends connected to the voltage being positive and negative. So how can diodes be made into rectifier bridges?

If your transformer has dual 12V output, you only need two rectifier diodes for full wave rectification. The peak output voltage of the 12V transformer after full wave rectification is about 17V, and adding a filtering capacitor can obtain a DC voltage of 17V.

If it is a single output transformer, bridge rectification should be used. Bridge rectification requires four rectifier diodes.

The rectifier diode can be selected from any of the 1N4000 series (from 1N4001 to 1N4007), with a maximum rectification current of 1A. It is used for full wave rectification or bridge rectification, and each rectifier diode only needs to bear half of the current. Therefore, it can be used in rectifier circuits with an output current of up to 1.5A.

Of course, the selection of diodes mainly depends on the parameters. Although it may seem complex, it is actually the simplest.

 


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