Triad Magnetics Blog

Understanding the Maximum Power Theorem

Posted by Bill Dull on April 10, 2018

The maximum power theorem, better known as the maximum power transfer theorem, is an essential tool for ensuring successful system design. Put simply, this theorem states that the maximum power that can be transferred from source to load is 50%, which occurs when source impedance is exactly matched to load impedance. The theorem is not as simple as it seems at first glance, however, and can be easily misunderstood.

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Topics: Power Supplies, Power Source, Maximum Power Theorem