The Main Use and Classification Methods of Transformer Bobbins

Label:Transformer Bobbins, Transformer Winding, DIP Bobbins, SMD Bobbins

Aug 3, 202214524

The Main Use and Classification Methods of Transformer Bobbins

Hi guys, this blog is still about high frequency transformers. JRPanel would like to introduce you the main use of transformer bobbins and how we classify them.


In the pictures are the transformer bobbins. 




Following are the main uses of that JRPanel has summarized for you:


1. The bobbins provide space for winding copper wires in transformers.


2. Wire channel in the bobbins provides path for transformer winding.


3. The bobbins help to fix the core in the transformers.


4. The metal pins in the bobbins are connected to the PCB after soldering, which play an important role in conducting electricity when the transformer is working.


5. The baffle at the bottom of the bobbins isolates the core from the tin stack to avoid poor voltage resistance.




From this it can be seen that the importance of bobbins in transformer is extraordinary.


After understanding the main uses of transformer bobbins, JRPanel is to introduce its common classification methods.


First, classified by shape, bobbins can be divided into two kinds of vertical and horizontal.


Then, the bobbins can also be classified by the type of core used in the transformer.


In this way, there are EP, EFD, ER, EE, EF, PQ and other types, and each type can be classified more finely by core size. 


In addition, transformer bobbins can also be classified according to the nature of pin usage and are divided into DIP bobbins and SMD bobbins.



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