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Is the material of the chip inductor and the plug inductor the same?
Apr 01, 2018


  Is the material of the chip inductor and the plug inductor the same?


SMD inductors and plug-in inductors are all different in shape, so are the materials used the same? What is it composed of?


SMD inductors and plug-in inductors have slightly different materials, and they have different uses due to their different specifications.

First, the chip inductor material

                            SMD inductor.png

SMD inductors need materials: mainly magnetic core and copper wire. Because the chip inductor is mainly composed of magnetic core and copper wire. Use flat copper wire because you can increase inductance with a limited number of turns


Power chip inductors are divided into two kinds of magnetic cover and without magnetic cover, mainly composed of magnetic core and copper wire.

In order to prevent the magnetic field generated by some inductor coils from affecting the normal operation of other circuits and components, the shield has been added with metal shields (such as the oscillating coils of semiconductor radios).

The use of shielded inductors will increase the loss of the coil and reduce the Q value, which is mainly responsible for filtering and oscillation in the circuit.


Second, plug-in inductor material

                            THT Inductor.png

Plug-in inductors need materials: mainly composed of coils and cores. The coil is mostly round copper wire



After the packaging material is wrapped with plastic or epoxy resin (such as color code inductors, color ring inductors, etc.), the core of the coil is sealed with a plastic or epoxy resin packaging material.



By comparison, we found that the core of the chip inductor and the plug-in inductor material are composed of a core (core) and a copper wire, but are still somewhat different. The main performance is that the copper wire will be slightly different and the packaging materials will also be different.


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