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  <xs:element id="lfus_ElectronicsSemiconductorMember" abstract="true" name="ElectronicsSemiconductorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lfus_USSeniorNotes2032Member" abstract="true" name="USSeniorNotes2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lfus_USSeniorNotesSeriesBDue2027Member" abstract="true" name="USSeniorNotesSeriesBDue2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lfus_EuroSeniorNotesSeriesBMember" abstract="true" name="EuroSeniorNotesSeriesBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lfus_DortmundFabMember" abstract="true" name="DortmundFabMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
