Steps in Setting Up RF Inductors

Now that we’ve covered a general overview, the materials used, the importance of the Q factor in RF Inductors, typical applications, the construction of the RF Inductor, a comparison of these inductors, and an overview of our available line of these products, our blog series continues with steps in setting up RF Inductors.

To launch the RF Inductor Finder, double click on it and give it a second while it launches. Once the module is launched, you will see on the top left side a list of RF inductors. In this case, it is a whole selection of RF inductors, the same as you would find on our catalogue. There are 500+ conductors here that you can choose from. Therefore, you can right click on them and select or filter components based on the brand.

For example, if you were looking for a particular inductance range, possibly between 100-200nH you can punch those into the window, hit apply. It will highlight in blue, indicating that there is filtering, and now you have inductors that fall within those parameters.

This can be done for Q as well for a rate occurrence, DCR, self-resonant frequency, and of course, if you already have an idea of the part that you are working for, you can search by part number, size, or series.

In addition to filtering through any of these columns, you can also create your own custom filter. To the right, in the middle, there is a button that says “Add filter” and when you click on it, you can select inductors via inductors, factors, or impedance.

Once again, you can look in more detail for a particular inductance value. For example, if you look between 800 to 150 and you look for that induction range in the 100-megahertz range. Hit apply. The software will look for everything that’s available. You can add additional filters if you are filtering by Q-factor or some other parameter, and if you were to highlight any of the components here, you get the charts describing their performance frequency versus inductance, frequency and Q-factor, and you can compare all components. Therefore, you can click more than one at a time.

In this case, there are some WE-KIs that appear in the list as well as WE-MK. It is a good idea to compare them by size. Let’s use 0603. Now we have some WE-KIs and some WE-MK to fit the bill. There are two that have very similar inductions that can be compared, and you can see the different currents and the DCR between the two of them. In this case, you can see that the WE-KI has a much lower DCR compared to the WE-MK and the self-resonant frequency changes dramatically due to the construction of inductors.

It’s very easy to select components using this software. Once you decide on a particular product and hover over the part number, right click, and click where it says “View Data Sheet”, it will take you directly to the website and download the PDF file.

Want to learn more? Stay tuned for general questions.

Photo: Scott Maxwell

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