Ang thermal conductivity ng aluminum substrate at copper substrate ay karaniwang 1W/m.k, 2w/m.k 3W/m.k, 5W/m.k, 8W/m.k, at ang thermal conduction ng thermoelectric separation ay maaaring 380W/m.k.
Pangunahing kasama sa mga PCB board ang FR4 boards, CEM-3 boards, aluminum substrates, ceramic boards, plastic boards, atbp.