Failure Analysis of Inductors

Inductor Failures

Inductor failures  are shown below.  Inductors often fail open due to corrosion or bad internal solder joints or the inductors fail shorted due to electrical overstress, bad magnet wire insulation, or potting issues.

 

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Other device failure analysis information:


inductors

Surface Mount Device (SMD) inductor.

Surface Mount Device (SMD) inductor.

Voids in encapsulant.

Voids in encapsulant.

Conductor corrosion.

Conductor corrosion.