How to Select the Right Type of EMI Filter for Harsh Environment Operation

A failed MIL-461 compliance test – it’s arguably the most crucial time in the development of any product. After days, months, maybe even years of design and production…the product fails to meet compliance standards and you’re forced to hit the pause button on all product support, such as marketing campaigns and launch planning. Do you head back to the drawing board and redesign?

More often than not, the problem can be solved by utilizing a filter. But what kind of filter? That is the million-dollar question that has troubled designers of defense products for ages.

By and large, your decision comes down to a traditional filter or an EMI filter insert. So let’s examine what you need to get out of that filter to help us draw a conclusion.

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