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Surface Mount Common Mode Chokes

Standex Edge provides Common Mode Chokes (CMCs), which are inductive components used primarily as common-mode noise filters to mitigate conducted Electromagnetic Interference (EMI). While Common Mode Chokes area specific type of inductor used for filtering out unwanted noise, these components are available in a Surface Mount (SMD) configuration.

The SMD mounting option is typically seen in Standex’s low-profile planar magnetics components. Smaller planar magnetics components may be packaged as modules featuring castellated holes that are mounted as SMD components. Standex utilizes a patented surface mount header design (U.S. Pat. 7,129,809) in its planar products, ensuring repeatable coplanarity and superior thermal management. Effective CMC design involves strategies like shielding between windings to reduce common-mode noise and proper core material selection to optimize inductance and impedance across the frequency spectrum.

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