WE-FAS TC Thermal Conductive & EMI Absorbers Würth Elektronik WE-FAS TC Thermal Conductive and EMI Absorbers feature high surface resistance with high thermal conductivity and are highly flexible. These 1mm, 2mm, and 3mm thick Würth thermal conductive and EMI absorbers include an adhesive surface that aids easy installation and is easy to process. Applications include a thermally conductive interface, EMC noise suppression, EMC shielding, hot surfaces/devices, and the tops of ICs, processors, and controllers.